Przedłużona preeklampsja poporodowa
Etiologia i przyczyny

Przedłużona preeklampsja poporodowa to rzadkie, ale poważne schorzenie manifestujące się nadciśnieniem tętniczym oraz białkomoczem pojawiającymi się do 6 tygodni po porodzie. Patogeneza tego stanu jest wieloczynnikowa i obejmuje nieprawidłowości w rozwoju łożyska, dysfunkcję śródbłonka, zaburzenia immunologiczne oraz czynniki genetyczne i środowiskowe. Kluczową rolę odgrywa niepełna inwazja trofoblastu do naczyń spiralnych macicy, prowadząca do hipoperfuzji łożyska i uwolnienia czynników antyangiogennych, które utrzymują się po porodzie, wywołując objawy choroby. Czynniki ryzyka to m.in. wiek matki (<20 lub >40 lat), otyłość, rasa czarna, przewlekłe nadciśnienie, cukrzyca, choroby autoimmunologiczne i nerek, historia rodzinna preeklampsji, ciąża mnoga, cesarskie cięcie oraz techniki wspomaganego rozrodu. W patomechanizmie istotne są także gwałtowne zmiany hormonalne i objętościowe po porodzie, które mogą prowadzić do przeciążenia objętościowego i skurczu naczyń, nasilając nadciśnienie.

Etiologia Przedłużonej Preeklampsji Poporodowej

Przedłużona preeklampsja poporodowa jest rzadkim, ale poważnym stanem charakteryzującym się występowaniem nadciśnienia tętniczego oraz białkomoczu po porodzie. Stan ten może rozwinąć się w ciągu 48 godzin od porodu lub nawet do 6 tygodni po urodzeniu dziecka. Mimo wielu lat badań, dokładna etiologia przedłużonej preeklampsji poporodowej pozostaje nie w pełni wyjaśniona i stanowi przedmiot dyskusji naukowych.123

Rola łożyskowo-naczyniowa

Badania sugerują, że patogeneza przedłużonej preeklampsji poporodowej prawdopodobnie wiąże się z nieprawidłowościami w rozwoju łożyska i jego naczyń krwionośnych we wczesnym okresie ciąży. Przez długi czas w położnictwie istniało przeświadczenie, że usunięcie łożyska „leczy” preeklampsję, jednak pojawienie się objawów dni lub tygodnie po porodzie stawia pod znakiem zapytania, czy poporodowa preeklampsja jest podtypem preeklampsji przedporodowej, czy też odrębną jednostką chorobową.45

Nieprawidłowa inwazja trofoblastu do naczyń macicy jest główną przyczyną nadciśnienia związanego z zespołem preeklampsji. Badania wykazały, że stopień niepełnej inwazji trofoblastycznej tętnic spiralnych jest bezpośrednio skorelowany z nasileniem późniejszego nadciśnienia tętniczego u matki. Wynika to z faktu, że hipoperfuzja łożyska spowodowana niepełną inwazją prowadzi niejasną ścieżką do uwolnienia ogólnoustrojowych związków wazoaktywnych, które powodują nasiloną odpowiedź zapalną, skurcz naczyń, uszkodzenie śródbłonka, przeciek naczyniowy, nadkrzepliwość i dysfunkcję płytek krwi.6

W przypadku przedłużonej preeklampsji poporodowej, możliwe jest, że szkodliwe substancje uwolnione z nieprawidłowo funkcjonującego łożyska są nadal obecne w organizmie po porodzie, powodując wystąpienie objawów choroby nawet po urodzeniu łożyska.7

Rola czynników immunologicznych i genetycznych

Czynniki immunologiczne od dawna uważane są za kluczowe w patogenezie preeklampsji. Jednym z istotnych elementów jest słabo poznana dysregulacja matczynej tolerancji na antygeny łożyskowe i płodowe pochodzenia ojcowskiego. Ta nieprawidłowa adaptacja immunologiczna matki i płodu charakteryzuje się wadliwą współpracą między komórkami NK macicy a płodowym antygenem HLA-C, co skutkuje zmianami histologicznymi podobnymi do obserwowanych w ostrym odrzucaniu przeszczepu.8

Dysfunkcja komórek śródbłonka charakterystyczna dla preeklampsji może być częściowo spowodowana ekstremalną aktywacją leukocytów w krążeniu matki, o czym świadczy zwiększona regulacja limfocytów T pomocniczych typu 1.9

Preeklampsja obejmuje wiele genów. Ponad 100 genów matczynych i ojcowskich zostało przebadanych pod kątem ich związku z preeklampsją, w tym geny znane z roli w chorobach naczyniowych, regulacji ciśnienia krwi, cukrzycy i funkcjach immunologicznych. Ryzyko preeklampsji jest dodatnio skorelowane między bliskimi krewnymi; badania wykazały, że 20-40% córek i 11-37% sióstr kobiet z preeklampsją również rozwinęło tę chorobę.10

Rola dysfunkcji śródbłonka

Dane wskazują, że zaburzenie równowagi między czynnikami proangiogennymi i antyangiogennymi wytwarzanymi przez łożysko może odgrywać główną rolę w pośredniczeniu w dysfunkcji śródbłonka. Angiogeneza jest kluczowa dla prawidłowego rozwoju łożyska i normalnej interakcji między trofoblastem a śródbłonkiem.11

Kilka krążących markerów uszkodzenia komórek śródbłonka okazało się podwyższonych u kobiet, które rozwinęły preeklampsję przed wystąpieniem objawów. Należą do nich endotelina, fibronektyna komórkowa i inhibitor aktywatora plazminogenu-1, obecny jest również zmieniony profil prostacykliny/tromboksanu.12

Poporodowa preeklampsja może reprezentować podgrupę pacjentek, które miały subkliniczną preeklampsję przed porodem, opóźnione usuwanie czynników antyangiogennych, aktywację układu dopełniacza po porodzie i/lub mobilizację płynu pozakomórkowego do układu wewnątrznaczyniowego, prowadzącą do przeciążenia objętościowego, nadciśnienia i skurczu naczyń mózgowych.13

Rola zmian hormonalnych i fizjologicznych po porodzie

W przypadku przedłużonej preeklampsji poporodowej, szybkie zmiany poziomów hormonalnych i płynów po porodzie mogą wpływać na regulację ciśnienia krwi. Podczas normalnej ciąży objętość osocza zwiększa się nawet o 45%, aby zaspokoić większe potrzeby krążeniowe łożyska i narządów matki.1415

Pacjentki, które otrzymują duże ilości płynów między porodem a okresem poporodowym z powodu znieczulenia lub cesarskiego cięcia, są bardziej narażone na przeciążenie objętościowe, co prowadzi do nadciśnienia. Dodatkowo, niektóre leki mogą przyczyniać się do rozwoju poporodowej preeklampsji, w tym niesteroidowe leki przeciwzapalne (NLPZ) oraz alkaloidy sporyszu, takie jak ergotamina i metylergonowina, stosowane w leczeniu atonii macicy i zapobieganiu krwotokom macicznym.16

W przypadku niektórych kobiet preeklampsja może rozpocząć się podczas ciąży, ale objawy mogą pojawić się dopiero po porodzie. Może to być związane z czasem potrzebnym na oczyszczenie błony śluzowej macicy po porodzie.1718

Czynniki ryzyka przedłużonej preeklampsji poporodowej

Chociaż dokładna przyczyna przedłużonej preeklampsji poporodowej pozostaje nieznana, zidentyfikowano szereg czynników ryzyka, które mogą zwiększać prawdopodobieństwo rozwoju tego stanu. Warto zaznaczyć, że czynniki ryzyka dla poporodowej preeklampsji są bardzo podobne do tych związanych z preeklampsją występującą podczas ciąży.1920

Czynniki ryzyka związane z charakterystyką pacjentki

  • Wiek – kobiety poniżej 20 roku życia lub powyżej 40 lat są bardziej narażone na rozwój przedłużonej preeklampsji poporodowej2122
  • Otyłość – masa ciała silnie koreluje ze stopniowo zwiększonym ryzykiem preeklampsji2324
  • Rasa – badania wykazały, że kobiety rasy czarnej są bardziej narażone na rozwój poporodowej preeklampsji niż kobiety innych ras2526
  • Status społeczno-ekonomiczny – preeklampsja jest nieco częstsza wśród kobiet w ciąży z uboższych społeczności, co może sugerować związek między odżywianiem a preeklampsją27

Czynniki ryzyka związane z historią medyczną

  • Nadciśnienie tętnicze – kobiety z przewlekłym nadciśnieniem tętniczym lub rozwijające nadciśnienie po 20 tygodniu ciąży (nadciśnienie ciążowe) mają zwiększone ryzyko poporodowej preeklampsji2829
  • Cukrzyca – cukrzyca typu 1, typu 2 lub cukrzyca ciążowa zwiększają ryzyko rozwoju preeklampsji i poporodowej preeklampsji3031
  • Choroby autoimmunologiczne – choroby takie jak toczeń czy zespół antyfosfolipidowy zwiększają ryzyko wystąpienia przedłużonej preeklampsji poporodowej3233
  • Choroby nerek – istniejące wcześniej choroby nerek stanowią czynnik ryzyka przedłużonej preeklampsji poporodowej34
  • Historia rodzinna – kobiety z historią preeklampsji lub poporodowej preeklampsji w rodzinie, szczególnie u matki lub siostry, mają zwiększone ryzyko rozwoju tego stanu3536
  • Wcześniejsza preeklampsja – kobiety, które miały preeklampsję podczas poprzedniej ciąży, mają około 8-krotnie większe ryzyko rozwoju preeklampsji w kolejnej ciąży w porównaniu z pacjentkami bez tej historii37

Czynniki ryzyka związane z aktualną ciążą i porodem

  • Pierwsza ciąża – u pierworódek występuje większe ryzyko rozwoju preeklampsji38
  • Ciąża mnoga – noszenie bliźniąt, trojaczków lub większej liczby płodów zwiększa ryzyko przedłużonej preeklampsji poporodowej3940
  • Poród przez cesarskie cięcie – kobiety, które rodzą przez cesarskie cięcie, mają wyższe ryzyko rozwoju poporodowej preeklampsji4142
  • Techniki wspomaganego rozrodu – kobiety, które zaszły w ciążę za pomocą technik wspomaganego rozrodu, takich jak zapłodnienie in vitro (IVF), mogą mieć zwiększone ryzyko preeklampsji4344

Hipotetyczne mechanizmy patofizjologiczne

Na podstawie dostępnych danych naukowych zaproponowano kilka mechanizmów patofizjologicznych, które mogą przyczyniać się do rozwoju przedłużonej preeklampsji poporodowej. Należy jednak podkreślić, że są to hipotezy, a dokładny mechanizm pozostaje niejasny.4546

Nieprawidłowości w rozwoju naczyniowym łożyska

Jedną z głównych teorii dotyczących rozwoju preeklampsji jest nieprawidłowa implantacja łożyska i rozwój jego naczyń krwionośnych. W normalnych warunkach we wczesnym okresie ciąży rozwijają się nowe naczynia krwionośne, które zaopatrują łożysko w tlen i składniki odżywcze. U kobiet z preeklampsją naczynia te nie rozwijają się prawidłowo lub nie funkcjonują właściwie.4748

W przypadku przedłużonej preeklampsji poporodowej, te nieprawidłowości łożyskowe mogą prowadzić do uwolnienia czynników antyangiogennych do krążenia matki, które utrzymują się po porodzie. Może to wyjaśniać, dlaczego niektóre kobiety rozwijają objawy preeklampsji dopiero po urodzeniu dziecka.4950

Zaburzenia równowagi hormonalnej i przemieszczenie płynów

Po porodzie dochodzi do gwałtownych zmian hormonalnych i przemieszczenia płynów w organizmie. Te zmiany mogą wpływać na regulację ciśnienia krwi i funkcję naczyń krwionośnych. U niektórych kobiet te fizjologiczne zmiany poporodowe mogą wyzwalać lub przyczyniać się do rozwoju przedłużonej preeklampsji poporodowej.5152

Poporodowa preeklampsja może wynikać z mobilizacji płynu pozakomórkowego do układu wewnątrznaczyniowego, co prowadzi do przeciążenia objętościowego, nadciśnienia i skurczu naczyń mózgowych. Jest to szczególnie istotne w kontekście dużej ilości płynów podawanych podczas porodu, zwłaszcza w przypadku cesarskiego cięcia.5354

Przewlekła aktywacja układu immunologicznego

Istnieją dowody na to, że preeklampsja wiąże się z przewlekłą aktywacją układu immunologicznego, co prowadzi do uogólnionego stanu zapalnego i dysfunkcji śródbłonka. Ta aktywacja immunologiczna może utrzymywać się po porodzie i przyczyniać się do rozwoju przedłużonej preeklampsji poporodowej.5556

Zaburzenie równowagi prozapalnych i przeciwzapalnych cytokin oraz aktywacja układu dopełniacza po porodzie mogą odgrywać rolę w patogenezie poporodowej preeklampsji.5758

Opóźnione usuwanie czynników patogennych

W przypadku przedłużonej preeklampsji poporodowej, możliwe jest, że czynniki antyangiogenne i inne substancje patogenne uwolnione z łożyska są opóźnione w usuwaniu z organizmu matki. Te substancje mogą utrzymywać się w krążeniu i wywoływać objawy preeklampsji nawet po porodzie.5960

Jest również możliwe, że stan ten rozpoczyna się podczas ciąży, ale nie wykazuje żadnych objawów, dopóki dziecko nie zostanie urodzone. Wymaga czasu, aby macica pozbyła się swojej wyściółki po porodzie, więc ten proces może być przyczyną opóźnienia, które czasami obserwuje się w poporodowej preeklampsji po porodzie.6162

Subkliniczna preeklampsja w ciąży

Jedna z teorii dotyczących etiologii przedłużonej preeklampsji poporodowej sugeruje, że stan ten może wynikać z subklinicznej (bezobjawowej) preeklampsji, która rozwinęła się podczas ciąży, ale nie została zdiagnozowana. W tym scenariuszu, objawy preeklampsji stają się widoczne dopiero po porodzie.6364

Poporodowa preeklampsja może reprezentować podgrupę pacjentek, które miały subkliniczną preeklampsję przed porodem. W tych przypadkach, ciśnienie krwi po porodzie początkowo spada, a następnie ponownie wzrasta, co może być przyczyną, dla której poporodowa preeklampsja często występuje po wypisaniu pacjentki ze szpitala.6566

Ta teoria podkreśla znaczenie dokładnego monitorowania wszystkich kobiet po porodzie, nawet tych, które nie wykazywały objawów preeklampsji podczas ciąży.6768

Wpływ czynników genetycznych i środowiskowych

Etiologia przedłużonej preeklampsji poporodowej prawdopodobnie obejmuje złożoną interakcję między czynnikami genetycznymi a środowiskowymi.6970

Czynniki genetyczne

Istnieją dowody na to, że preeklampsja ma komponent genetyczny, a ryzyko jej wystąpienia jest zwiększone u kobiet, których matki lub siostry doświadczyły tego stanu. Badania wykazały, że 20-40% córek i 11-37% sióstr kobiet z preeklampsją również rozwinęło tę chorobę.7172

Ponad 100 genów matczynych i ojcowskich zostało przebadanych pod kątem ich związku z preeklampsją, w tym geny znane z roli w chorobach naczyniowych, regulacji ciśnienia krwi, cukrzycy i funkcjach immunologicznych.73

W przypadku przedłużonej preeklampsji poporodowej, czynniki genetyczne mogą wpływać na odpowiedź organizmu na zmiany fizjologiczne po porodzie i przyczyniać się do rozwoju objawów preeklampsji.7475

Czynniki środowiskowe i dietetyczne

Czynniki środowiskowe, takie jak dieta i stan odżywienia, mogą również odgrywać rolę w rozwoju preeklampsji i przedłużonej preeklampsji poporodowej. Istnieją dowody sugerujące, że zarówno niedożywienie, jak i nadmierne odżywianie (szczególnie otyłość przed i podczas ciąży) mogą zwiększać ryzyko preeklampsji.7677

Sugerowano, że diety niskobiałkowe, niskotłuszczowe i niskoenergetyczne mogą wpływać na preeklampsję. Jedynymi środkami, które mają udowodniony pozytywny wpływ na zmniejszenie ryzyka preeklampsji, są suplementy wapnia i małe dawki aspiryny.787980

W kontekście przedłużonej preeklampsji poporodowej, badania sugerują również, że kwas foliowy obecny w witaminach prenatalnych może pomóc obniżyć ryzyko nadciśnienia i preeklampsji. Dlatego zaleca się kontynuowanie przyjmowania witamin prenatalnych po porodzie.81

Skutki zdrowotne i perspektywy na przyszłość

Przedłużona preeklampsja poporodowa może mieć poważne konsekwencje zdrowotne, zarówno w krótkim, jak i długim okresie. Zrozumienie tych konsekwencji oraz kierunków przyszłych badań jest kluczowe dla poprawy opieki nad pacjentkami.8283

Krótkoterminowe konsekwencje zdrowotne

Nieleczona przedłużona preeklampsja poporodowa może prowadzić do poważnych komplikacji, takich jak:

  • Napady drgawkowe (rzucawka) – najpoważniejsze powikłanie przedłużonej preeklampsji poporodowej8485
  • Uszkodzenie narządów – trwałe uszkodzenie mózgu, wątroby i nerek86
  • Obrzęk płuc – nadmiar płynu w płucach87
  • Udar mózgu – uszkodzenie mózgu spowodowane przerwaniem dopływu krwi8889
  • Zakrzepy krwi – mogące prowadzić do zatorów i innych poważnych komplikacji90
  • Zespół HELLP – poważne powikłanie charakteryzujące się hemolizą (rozpadem czerwonych krwinek), podwyższonymi enzymami wątrobowymi i niskim poziomem płytek krwi91
  • Śmierć – w najpoważniejszych przypadkach92

Długoterminowe konsekwencje zdrowotne

Badania wykazały, że kobiety, które doświadczyły przedłużonej preeklampsji poporodowej, mają zwiększone ryzyko rozwoju różnych chorób w późniejszym życiu:

  • Nadciśnienie tętnicze – badania wykazały, że kobiety z opóźnioną poporodową preeklampsją mają o 45% większe prawdopodobieństwo rozwoju nadciśnienia tętniczego w ciągu 1 roku po porodzie93
  • Choroby sercowo-naczyniowe – zwiększone ryzyko chorób niedokrwiennych serca, niewydolności serca i udaru mózgu949596
  • Cukrzyca typu 2 – zwiększone ryzyko rozwoju cukrzycy w późniejszym życiu97
  • Incydenty zakrzepowo-zatorowe – zwiększone ryzyko zakrzepów krwi98

Te długoterminowe konsekwencje zdrowotne podkreślają znaczenie regularnych badań kontrolnych i profilaktyki u kobiet, które doświadczyły przedłużonej preeklampsji poporodowej.99100

Perspektywy badawcze

Pomimo postępów w zrozumieniu preeklampsji, wiele aspektów przedłużonej preeklampsji poporodowej pozostaje niewyjaśnionych. Przyszłe badania powinny skupić się na:

  • Patofizjologii – lepsze zrozumienie dokładnych mechanizmów leżących u podstaw rozwoju przedłużonej preeklampsji poporodowej101102
  • Biomarkerach – identyfikacja specyficznych biomarkerów, które mogłyby pomóc w przewidywaniu ryzyka i wczesnym wykrywaniu przedłużonej preeklampsji poporodowej103
  • Celowanych terapiach – rozwój bardziej skutecznych i ukierunkowanych metod leczenia104
  • Strategiach prewencyjnych – opracowanie skutecznych metod zapobiegania przedłużonej preeklampsji poporodowej105106
  • Edukacji – zwiększenie świadomości wśród pracowników służby zdrowia i pacjentek na temat objawów, czynników ryzyka i znaczenia wczesnego rozpoznania przedłużonej preeklampsji poporodowej107108

Podsumowanie stanu wiedzy

Przedłużona preeklampsja poporodowa pozostaje niedostatecznie zbadanym schorzeniem, którego dokładna etiologia nie została w pełni poznana. Obecne dane sugerują, że jest to wieloczynnikowy proces obejmujący nieprawidłowości w rozwoju łożyska, dysfunkcję śródbłonka, czynniki immunologiczne, genetyczne, metaboliczne i środowiskowe.109110

Zidentyfikowano szereg czynników ryzyka, które mogą predysponować kobiety do rozwoju przedłużonej preeklampsji poporodowej, takich jak starszy wiek matki, rasa czarna, otyłość matki oraz poród przez cesarskie cięcie. Ponadto, istnieje wiele hipotez dotyczących mechanizmów patofizjologicznych leżących u podstaw tego stanu.111112

Pomimo postępów w zrozumieniu przedłużonej preeklampsji poporodowej, wiele pytań pozostaje bez odpowiedzi. Nie jest jasne, czy przedłużona preeklampsja poporodowa stanowi odrębną jednostkę chorobową od preeklampsji z początkiem przedporodowym, czy też jest jej podtypem. Ponadto, dokładne mechanizmy prowadzące do rozwoju objawów po porodzie nie są w pełni poznane.113114

Konieczne są dalsze badania, aby lepiej zrozumieć etiologię przedłużonej preeklampsji poporodowej, zidentyfikować specyficzne biomarkery i opracować skuteczne strategie prewencyjne i terapeutyczne. Poprawa zrozumienia tego stanu może prowadzić do lepszych wyników klinicznych i zmniejszenia związanej z nim zachorowalności i śmiertelności.115116

Kolejne rozdziały

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Materiały źródłowe

  • #1 Postpartum preeclampsia | UM Health-Sparrow
    https://www.uofmhealthsparrow.org/departments-conditions/conditions/postpartum-preeclampsia
    Postpartum preeclampsia is a rare condition that occurs when you have high blood pressure and excess protein in your urine soon after childbirth. […] The causes of postpartum preeclampsia and preeclampsia that occurs during pregnancy aren’t well understood.
  • #2 Postpartum Preeclampsia – Symptoms, Causes , Complications, Treatment
    https://www.apollohospitals.com/diseases-and-conditions/postpartum-preeclampsia-symptoms-causes-complications-and-treatment
    Postpartum preeclampsia is preeclampsia that occurs after childbirth. This condition generally develops after a few hours of giving birth but may even develop 6 weeks after childbirth. […] Doctors have yet not identified the real cause behind preeclampsia. Some of the potential causes include genetic factors: If your mother or sister suffered from postpartum preeclampsia or has high blood pressure, you may also suffer from it. […] Blood vessel problems: Having weak or narrowed blood vessels may lead to this condition after delivery.
  • #3 Postpartum preeclampsia: Symptoms and treatment
    https://www.medicalnewstoday.com/articles/postpartum-preeclampsia
    Postpartum preeclampsia is the new onset of high blood pressure after giving birth. […] Experts do not fully understand what causes preeclampsia, but research suggests that the condition is related to reduced blood flow in the placenta. This is known as placental ischemia. […] In postpartum preeclampsia, it is possible that these harmful substances are still present in the body after birth, causing the condition to begin even after delivering the placenta. […] A 2023 review also notes that, in the United States, postpartum preeclampsia is more common in people who: are over 35 years old, had obesity before pregnancy, had a C-section, are Black. […] The review does not explore why the condition affects more Black people than white people. However, antenatal preeclampsia is also more common in Black people. Researchers believe this is due to the effects of racism on health and healthcare.
  • #4
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8857508/
    The traditional adage in obstetrics has always been that delivery of the placenta cures preeclampsia, thus the onset of preeclampsia days to weeks after placental delivery raises questions about whether delayed postpartum preeclampsia is a sub-type of antepartum preeclampsia or whether it represents a separate disease entity. […] Overall, it is clear from the limited data that the etiology of postpartum preeclampsia as well as whether it is a subtype of antepartum preeclampsia remain unanswered.
  • #5 Preeclampsia – Symptoms & causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/preeclampsia/symptoms-causes/syc-20355745
    Preeclampsia may develop after delivery of a baby, a condition known as postpartum preeclampsia. […] The exact cause of preeclampsia likely involves several factors. Experts believe it begins in the placenta the organ that nourishes the fetus throughout pregnancy. Early in a pregnancy, new blood vessels develop and evolve to supply oxygen and nutrients to the placenta. […] In women with preeclampsia, these blood vessels don’t seem to develop or work properly. Problems with how well blood circulates in the placenta may lead to the irregular regulation of blood pressure in the mother.
  • #6 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Immunologic factors have long been considered to be key players in preeclampsia. One important component is a poorly understood dysregulation of maternal tolerance to paternally derived placental and fetal antigens. This maternal-fetal immune maladaptation is characterized by defective cooperation between uterine natural killer(NK) cells and fetal human leukocyte antigen (HLA)-C, and results in histologic changes similar to those seen in acute graft rejection. […] The endothelial cell dysfunction that is characteristic of preeclampsia may be partially due to an extreme activation of leukocytes in the maternal circulation, as evidenced by an upregulation of type 1 helper T cells. […] Placental implantation with abnormal trophoblastic invasion of uterine vessels is a major cause of hypertension associated with preeclampsia syndrome. In fact, studies have shown that the degree of incomplete trophoblastic invasion of the spiral arteries is directly correlated with the severity of subsequent maternal hypertension. This is because the placental hypoperfusion resulting from the incomplete invasion leads by an unclear pathway to the release of systemic vasoactive compounds that cause an exaggerated inflammatory response, vasoconstriction, endothelial damage, capillary leak, hypercoagulability, and platelet dysfunction, all of which contribute to organ dysfunction and the various clinical features of the disease.
  • #7 Postpartum preeclampsia: Symptoms and treatment
    https://www.medicalnewstoday.com/articles/postpartum-preeclampsia
    Postpartum preeclampsia is the new onset of high blood pressure after giving birth. […] Experts do not fully understand what causes preeclampsia, but research suggests that the condition is related to reduced blood flow in the placenta. This is known as placental ischemia. […] In postpartum preeclampsia, it is possible that these harmful substances are still present in the body after birth, causing the condition to begin even after delivering the placenta. […] A 2023 review also notes that, in the United States, postpartum preeclampsia is more common in people who: are over 35 years old, had obesity before pregnancy, had a C-section, are Black. […] The review does not explore why the condition affects more Black people than white people. However, antenatal preeclampsia is also more common in Black people. Researchers believe this is due to the effects of racism on health and healthcare.
  • #8 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Immunologic factors have long been considered to be key players in preeclampsia. One important component is a poorly understood dysregulation of maternal tolerance to paternally derived placental and fetal antigens. This maternal-fetal immune maladaptation is characterized by defective cooperation between uterine natural killer(NK) cells and fetal human leukocyte antigen (HLA)-C, and results in histologic changes similar to those seen in acute graft rejection. […] The endothelial cell dysfunction that is characteristic of preeclampsia may be partially due to an extreme activation of leukocytes in the maternal circulation, as evidenced by an upregulation of type 1 helper T cells. […] Placental implantation with abnormal trophoblastic invasion of uterine vessels is a major cause of hypertension associated with preeclampsia syndrome. In fact, studies have shown that the degree of incomplete trophoblastic invasion of the spiral arteries is directly correlated with the severity of subsequent maternal hypertension. This is because the placental hypoperfusion resulting from the incomplete invasion leads by an unclear pathway to the release of systemic vasoactive compounds that cause an exaggerated inflammatory response, vasoconstriction, endothelial damage, capillary leak, hypercoagulability, and platelet dysfunction, all of which contribute to organ dysfunction and the various clinical features of the disease.
  • #9 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Immunologic factors have long been considered to be key players in preeclampsia. One important component is a poorly understood dysregulation of maternal tolerance to paternally derived placental and fetal antigens. This maternal-fetal immune maladaptation is characterized by defective cooperation between uterine natural killer(NK) cells and fetal human leukocyte antigen (HLA)-C, and results in histologic changes similar to those seen in acute graft rejection. […] The endothelial cell dysfunction that is characteristic of preeclampsia may be partially due to an extreme activation of leukocytes in the maternal circulation, as evidenced by an upregulation of type 1 helper T cells. […] Placental implantation with abnormal trophoblastic invasion of uterine vessels is a major cause of hypertension associated with preeclampsia syndrome. In fact, studies have shown that the degree of incomplete trophoblastic invasion of the spiral arteries is directly correlated with the severity of subsequent maternal hypertension. This is because the placental hypoperfusion resulting from the incomplete invasion leads by an unclear pathway to the release of systemic vasoactive compounds that cause an exaggerated inflammatory response, vasoconstriction, endothelial damage, capillary leak, hypercoagulability, and platelet dysfunction, all of which contribute to organ dysfunction and the various clinical features of the disease.
  • #10 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Evidence also suggests that oxidative stress, circulatory maladaptation, inflammation, and humoral, mineral, and metabolic abnormalities contribute to the endothelial dysfunction and pathogenesis of preeclampsia. […] Preeclampsia has been shown to involve multiple genes. Over 100 maternal and paternal genes have been studied for their association with preeclampsia, including those known to play a role in vascular diseases, BP regulation, diabetes, and immunologic functions. […] Importantly, the risk of preeclampsia is positively correlated between close relatives; a study showed that 20-40% of daughters and 11-37% of sisters of women with preeclampsia also developed the disease. […] Other substances that have been proposed, but not proven, to contribute to preeclampsia include tumor necrosis factor, interleukins, various lipid molecules, and syncytial knots.
  • #11 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    The primary cause for the failure of these invasive cytotrophoblasts to undergo pseudovascularization and invade maternal blood vessels is not clear. However, immunologic and genetic factors have been proposed. Early hypoxic insult to differentiating cytotrophoblasts has also been proposed as a contributing factor. […] Data show that an imbalance of proangiogenic and antiangiogenic factors produced by the placenta may play a major role in mediating endothelial dysfunction. Angiogenesis is critical for successful placentation and the normal interaction between trophoblasts and endothelium. […] Several circulating markers of endothelial cell injury have been shown to be elevated in women who develop preeclampsia before they became symptomatic. These include endothelin, cellular fibronectin, and plasminogen activator inhibitor-1, with an altered prostacyclin/thromboxane profile also present.
  • #12 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    The primary cause for the failure of these invasive cytotrophoblasts to undergo pseudovascularization and invade maternal blood vessels is not clear. However, immunologic and genetic factors have been proposed. Early hypoxic insult to differentiating cytotrophoblasts has also been proposed as a contributing factor. […] Data show that an imbalance of proangiogenic and antiangiogenic factors produced by the placenta may play a major role in mediating endothelial dysfunction. Angiogenesis is critical for successful placentation and the normal interaction between trophoblasts and endothelium. […] Several circulating markers of endothelial cell injury have been shown to be elevated in women who develop preeclampsia before they became symptomatic. These include endothelin, cellular fibronectin, and plasminogen activator inhibitor-1, with an altered prostacyclin/thromboxane profile also present.
  • #13 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #14 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    Timely recognition and treatment of postpartum preeclampsia is essential to improving morbidity and mortality in postpartum patients. […] The exact development of postpartum preeclampsia is not completely understood; however, during normal pregnancy, an increase of up to 45% of plasma volume occurs to meet the greater circulatory needs of the placenta and maternal organs. […] Patients who receive large amounts of fluids between labor and the postpartum period because of anesthesia or cesarean delivery are more likely to experience a state of volume overload resulting in hypertension. […] A group of obstetricians studied 6 cases of postpartum hypertensive crises in which NSAIDs contributed to significant increases in blood pressure. […] Other medications that are thought to play a role in postpartum preeclampsia include the ergot alkaloids such as ergotamine and methylergonovine for treatment of uterine atony and prevention of uterine hemorrhage.
  • #15 Postpartum Preeclampsia: A Silent, But Serious Condition | ColumbiaDoctors
    https://www.columbiadoctors.org/news/postpartum-preeclampsia-silent-serious-condition
    Postpartum preeclampsia happens when a womans blood pressure goes above 140/90 after childbirth. […] We dont know exactly what causes postpartum preeclampsia, but experts believe there are a few contributing factors. Quick changes in hormonal levels and fluids can affect blood pressure. […] Several factors can contribute to the development of postpartum preeclampsia in older women without a prior history of hypertension. These factors include: […] Hormonal changes: The rapid hormonal shifts after childbirth can affect blood pressure regulation, potentially leading to hypertension. […] Studies show that the development of postpartum preeclampsia increases a womans risk of having heart disease or stroke later in life, so while it is important for all women to lead a heart-healthy lifestyle, it is even more important for women who experience hypertensive disorders of pregnancy, cautions Dr. Tolani.
  • #16 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    Timely recognition and treatment of postpartum preeclampsia is essential to improving morbidity and mortality in postpartum patients. […] The exact development of postpartum preeclampsia is not completely understood; however, during normal pregnancy, an increase of up to 45% of plasma volume occurs to meet the greater circulatory needs of the placenta and maternal organs. […] Patients who receive large amounts of fluids between labor and the postpartum period because of anesthesia or cesarean delivery are more likely to experience a state of volume overload resulting in hypertension. […] A group of obstetricians studied 6 cases of postpartum hypertensive crises in which NSAIDs contributed to significant increases in blood pressure. […] Other medications that are thought to play a role in postpartum preeclampsia include the ergot alkaloids such as ergotamine and methylergonovine for treatment of uterine atony and prevention of uterine hemorrhage.
  • #17 Postpartum Preeclampsia
    https://www.preeclampsia.org/postpartum-preeclampsia
    Delivery is not the cure for preeclampsia. […] It’s important to know that delivery is not the cure for preeclampsia. Any woman can develop preeclampsia after her baby is born, or postpartum preeclampsia, whether she experienced high blood pressure during her pregnancy or not. […] There’s no definitive cause of preeclampsia. Delivery, in most cases, is the acute treatment, not a cure. “It takes time for the uterus to shed its lining after birth, so this process may be behind the delay that’s sometimes seen in [postpartum preeclampsia] after delivery,” says James N. Martin, MD, past president of the American College of Obstetricians and Gynecologists and member of the Preeclampsia Foundation Medical Advisory Board. It’s also possible this condition begins during pregnancy but doesn’t show signs or symptoms until after the baby has arrived. […] The risk factors for postpartum preeclampsia are very similar to those associated with preeclampsia during pregnancy however, any woman — regardless of previous experience with blood pressure problems, weight, diet, or exercise — is at risk.
  • #18 Postpartum Preeclampsia: Symptoms, Causes, and Prevention Tips
    https://www.copperstateobgyn.com/postpartum-preeclampsia/
    Postpartum preeclampsia can happen to any woman. Even if you dont have signs of preeclampsia during your pregnancy, you can still develop postpartum preeclampsia. […] We dont know exactly what causes preeclampsia, but there are some possible risk factors: […] Doctors dont have a clear answer of what causes preeclampsia, but they do know that delivery is not always the cure. Sometimes preeclampsia develops while a woman is pregnant and she doesnt show signs or symptoms until after delivery.
  • #19 Postpartum Preeclampsia
    https://www.preeclampsia.org/postpartum-preeclampsia
    Delivery is not the cure for preeclampsia. […] It’s important to know that delivery is not the cure for preeclampsia. Any woman can develop preeclampsia after her baby is born, or postpartum preeclampsia, whether she experienced high blood pressure during her pregnancy or not. […] There’s no definitive cause of preeclampsia. Delivery, in most cases, is the acute treatment, not a cure. “It takes time for the uterus to shed its lining after birth, so this process may be behind the delay that’s sometimes seen in [postpartum preeclampsia] after delivery,” says James N. Martin, MD, past president of the American College of Obstetricians and Gynecologists and member of the Preeclampsia Foundation Medical Advisory Board. It’s also possible this condition begins during pregnancy but doesn’t show signs or symptoms until after the baby has arrived. […] The risk factors for postpartum preeclampsia are very similar to those associated with preeclampsia during pregnancy however, any woman — regardless of previous experience with blood pressure problems, weight, diet, or exercise — is at risk.
  • #20 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #21 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #22 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #23 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Risk factors for preeclampsia include the following: Nulliparity, Multifetal gestations, Preeclampsia in a previous pregnancy, Chronic hypertension, Pregestational diabetes, Gestational diabetes, Thrombophilia, Systemic lupus erythematosus, Prepregnancy body mass index greater than 30, Antiphospholipid antibody syndrome, Maternal age 35 years or older, Kidney disease, Assisted reproductive technology, Obstructive sleep apnea. […] One literature review suggests that maternal vitamin D deficiency may increase the risk of preeclampsia and fetal growth restriction. Another study determined that vitamin D deficiency/insufficiency was common in a group of women at high risk for preeclampsia. However, it was not associated with the subsequent risk of an adverse pregnancy outcome. […] Body weight is strongly correlated with progressively increased preeclampsia risk, ranging from 4.3% for women with a body mass index (BMI) below 20 kg/m2 to 13.3% in those with a BMI over 30 kg/m2. […] An analysis of 456,668 singleton births found that early-onset ( 34 weeks’ gestation) and late-onset (34 weeks’ gestation) preeclampsia shared some etiologic features, but their risk factors and outcomes differed.
  • #24 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #25 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #26 Postpartum preeclampsia: Symptoms and treatment
    https://www.medicalnewstoday.com/articles/postpartum-preeclampsia
    Postpartum preeclampsia is the new onset of high blood pressure after giving birth. […] Experts do not fully understand what causes preeclampsia, but research suggests that the condition is related to reduced blood flow in the placenta. This is known as placental ischemia. […] In postpartum preeclampsia, it is possible that these harmful substances are still present in the body after birth, causing the condition to begin even after delivering the placenta. […] A 2023 review also notes that, in the United States, postpartum preeclampsia is more common in people who: are over 35 years old, had obesity before pregnancy, had a C-section, are Black. […] The review does not explore why the condition affects more Black people than white people. However, antenatal preeclampsia is also more common in Black people. Researchers believe this is due to the effects of racism on health and healthcare.
  • #27 Preeclampsia in Pregnancy: Symptoms, Causes &Treatments | Ada
    https://ada.com/conditions/preeclampsia/
    While the cause is uncertain, the risk factors for preeclampsia are well-known. Risk of preeclampsia is higher in women who: […] There is some evidence that preeclampsia and heart disease share some risk factors, namely: […] Preeclampsia is slightly more common among pregnant women from poorer communities, which may suggest that there is a connection between nutrition and preeclampsia. […] A related theory is that overnutrition, especially obesity before and during pregnancy, as well as undernutrition, can both cause the risk of preeclampsia to rise. […] It has been suggested that low-protein diets, low-fat diets and low-energy diets may affect preeclampsia. […] The only things that are proven to have a positive effect on reducing the risk of preeclampsia are calcium supplements and low-dose aspirin.
  • #28 Postpartum preeclampsia // Middlesex Health
    https://middlesexhealth.org/learning-center/diseases-and-conditions/postpartum-preeclampsia
    Postpartum preeclampsia is a rare condition that occurs when you have high blood pressure and excess protein in your urine soon after childbirth. […] The causes of postpartum preeclampsia and preeclampsia that occurs during pregnancy aren’t well understood. […] Limited research suggests that risk factors for postpartum preeclampsia might include: High blood pressure during your most recent pregnancy. You’re at increased risk of postpartum preeclampsia if you developed high blood pressure after 20 weeks of pregnancy (gestational hypertension). […] Chronic high blood pressure. Having uncontrolled high blood pressure before pregnancy increases your risk of preeclampsia and postpartum preeclampsia. […] Diabetes. Having type 1 or type 2 diabetes or gestational diabetes increases your risk of preeclampsia and postpartum preeclampsia.
  • #29 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #30 Postpartum preeclampsia // Middlesex Health
    https://middlesexhealth.org/learning-center/diseases-and-conditions/postpartum-preeclampsia
    Postpartum preeclampsia is a rare condition that occurs when you have high blood pressure and excess protein in your urine soon after childbirth. […] The causes of postpartum preeclampsia and preeclampsia that occurs during pregnancy aren’t well understood. […] Limited research suggests that risk factors for postpartum preeclampsia might include: High blood pressure during your most recent pregnancy. You’re at increased risk of postpartum preeclampsia if you developed high blood pressure after 20 weeks of pregnancy (gestational hypertension). […] Chronic high blood pressure. Having uncontrolled high blood pressure before pregnancy increases your risk of preeclampsia and postpartum preeclampsia. […] Diabetes. Having type 1 or type 2 diabetes or gestational diabetes increases your risk of preeclampsia and postpartum preeclampsia.
  • #31 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #32 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #33 Preeclampsia And Eclampsia – Harvard Health
    https://www.health.harvard.edu/a_to_z/preeclampsia-and-eclampsia-a-to-z
    Regardless of its cause, early abnormalities in placental formation lead to changes that later affect blood vessels and other organs. Arteries throughout the body can tighten (become narrower), raising blood pressure. They can also become „leaky,” allowing protein or fluid to seep through their walls, which causes tissues to swell. In preeclampsia, changes in arteries decrease the blood supply to the fetus and placenta, and to the woman’s kidneys, liver, eyes, brain, and other organs. […] The following conditions increase the chance that a woman will develop preeclampsia: chronic (long-lasting) high blood pressure, obesity, diabetes, kidney disease, being under 15 years old or over 35 years old, being a woman’s first pregnancy, having had preeclampsia in a previous pregnancy, multiple gestations: twins, triplets, or a greater number of multiples, certain autoimmune conditions, including antiphospholipid antibody syndrome and some autoimmune arthritis conditions, African American or Hispanic ethnicity, having a sister, mother, or daughter who had preeclampsia or high blood pressure during pregnancy, having a male partner whose previous partner had preeclampsia, having a male partner with whom you were sexually active for only a short length of time prior to becoming pregnant.
  • #34 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Risk factors for preeclampsia include the following: Nulliparity, Multifetal gestations, Preeclampsia in a previous pregnancy, Chronic hypertension, Pregestational diabetes, Gestational diabetes, Thrombophilia, Systemic lupus erythematosus, Prepregnancy body mass index greater than 30, Antiphospholipid antibody syndrome, Maternal age 35 years or older, Kidney disease, Assisted reproductive technology, Obstructive sleep apnea. […] One literature review suggests that maternal vitamin D deficiency may increase the risk of preeclampsia and fetal growth restriction. Another study determined that vitamin D deficiency/insufficiency was common in a group of women at high risk for preeclampsia. However, it was not associated with the subsequent risk of an adverse pregnancy outcome. […] Body weight is strongly correlated with progressively increased preeclampsia risk, ranging from 4.3% for women with a body mass index (BMI) below 20 kg/m2 to 13.3% in those with a BMI over 30 kg/m2. […] An analysis of 456,668 singleton births found that early-onset ( 34 weeks’ gestation) and late-onset (34 weeks’ gestation) preeclampsia shared some etiologic features, but their risk factors and outcomes differed.
  • #35 The Risk of Postpartum Preeclampsia Phoenix AZ | Genesis OBGYN
    https://genesisobgyn.net/risk-of-postpartum-preeclampsia/
    After childbirth, some women can develop a condition called postpartum preeclampsia. Postpartum preeclampsia causes someone to have high blood pressure and high levels of protein in their urine. […] While the cause of postpartum preeclampsia is unknown, there are risk factors that indicate you may have a greater risk of developing the condition once you’ve given birth. Risk factors include: Family or personal medical history of preeclampsia or postpartum preeclampsia, High blood pressure during pregnancy, Type 1 and Type 2 Diabetes, Obesity, Women younger than 20 or older than 40, Multiples pregnancy, Certain autoimmune conditions. […] Postpartum preeclampsia requires treatment, likely by your provider or in an emergency room at a hospital. If left untreated, postpartum preeclampsia can lead to medical complications, including: Seizures, Blood clots, Stroke, HELLP Syndrome, Pulmonary Edema (excess fluid in your lungs). […] Postpartum preeclampsia is treatable with medications focused on lowering blood pressure and intravenous (IV) medication to prevent potential seizures.
  • #36 What doctors wish patients knew about preeclampsia | American Medical Association
    https://www.ama-assn.org/delivering-care/population-care/what-doctors-wish-patients-knew-about-preeclampsia
    Preeclampsia is a disorder that occurs only during pregnancy and the postpartum period and affects both the mother and the unborn baby, Dr. Hoppe said, noting it is characterized by high blood pressure and usually the presence of protein in the urine. […] Unfortunately, we still dont understand the exact trigger within the body that causes preeclampsia. But since preeclampsia affects small blood vessels in the body, it can lead to kidney, liver, brain and placenta dysfunction. […] We dont exactly know what causes preeclampsia. Its likely a result of multiple, interacting things, Dr. Hoppe said. We think theres a large component of the placenta or abnormal placentation and then other underlying risk factors such as mental health, genetics, immune response and lifestyle. […] Women whove had a hypertension related diagnosis in a prior pregnancy are at risk of developing hypertension during a subsequent pregnancy, Dr. Hoppe said. The earlier, more severe the hypertension disorder was increases that risk.
  • #37 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    Preeclampsia is a multisystem progressive disorder characterized by the new onset of hypertension and proteinuria or the new onset of hypertension plus significant end-organ dysfunction with or without proteinuria, typically presenting after 20 weeks of gestation or postpartum. The pathogenesis involves both abnormal placentation and maternal systemic vascular dysfunction. […] Several subtypes of preeclampsia may exist, with a variety of pathophysiological pathways leading to maternal and fetal mortality and morbidity. […] The severity of preeclampsia in the first pregnancy strongly impacts the risk of developing preeclampsia in the next pregnancy. […] A past history of preeclampsia increases the risk of developing preeclampsia in a subsequent pregnancy eightfold compared with patients without this history.
  • #38 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Risk factors for preeclampsia include the following: Nulliparity, Multifetal gestations, Preeclampsia in a previous pregnancy, Chronic hypertension, Pregestational diabetes, Gestational diabetes, Thrombophilia, Systemic lupus erythematosus, Prepregnancy body mass index greater than 30, Antiphospholipid antibody syndrome, Maternal age 35 years or older, Kidney disease, Assisted reproductive technology, Obstructive sleep apnea. […] One literature review suggests that maternal vitamin D deficiency may increase the risk of preeclampsia and fetal growth restriction. Another study determined that vitamin D deficiency/insufficiency was common in a group of women at high risk for preeclampsia. However, it was not associated with the subsequent risk of an adverse pregnancy outcome. […] Body weight is strongly correlated with progressively increased preeclampsia risk, ranging from 4.3% for women with a body mass index (BMI) below 20 kg/m2 to 13.3% in those with a BMI over 30 kg/m2. […] An analysis of 456,668 singleton births found that early-onset ( 34 weeks’ gestation) and late-onset (34 weeks’ gestation) preeclampsia shared some etiologic features, but their risk factors and outcomes differed.
  • #39 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #40 Postpartum Preeclampsia
    https://www.whattoexpect.com/first-year/postpartum-health-and-care/postpartum-preeclampsia/
    For most women with preeclampsia, the condition will develop during pregnancy but in rarer instances, it can appear after you’ve given birth. […] Experts aren’t sure what causes postpartum preeclampsia, but the American College of Obstetricians and Gynecologists (ACOG) points out that fluid shifts that occur after giving birth can possibly cause a rise in blood pressure levels during the three- to six-day period after labor and delivery. […] Women who have preeclampsia during pregnancy have an increased risk for the disorder after giving birth, but even mothers with healthy blood pressure levels can develop the condition postpartum. […] While more research is needed to pinpoint what increases a woman’s odds of having postpartum preeclampsia, the following risk factors may play a role in its development: Having gestational diabetes or preexisting type 1 or type 2 diabetes, High blood pressure that develops after week 20 of pregnancy, Obesity, Carrying multiples, Having heart disease due to high blood pressure, Being 40 years old or older, Autoimmune conditions, Black mothers are also more likely to develop preeclampsia and postpartum preeclampsia.
  • #41 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #42 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #43 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Risk factors for preeclampsia include the following: Nulliparity, Multifetal gestations, Preeclampsia in a previous pregnancy, Chronic hypertension, Pregestational diabetes, Gestational diabetes, Thrombophilia, Systemic lupus erythematosus, Prepregnancy body mass index greater than 30, Antiphospholipid antibody syndrome, Maternal age 35 years or older, Kidney disease, Assisted reproductive technology, Obstructive sleep apnea. […] One literature review suggests that maternal vitamin D deficiency may increase the risk of preeclampsia and fetal growth restriction. Another study determined that vitamin D deficiency/insufficiency was common in a group of women at high risk for preeclampsia. However, it was not associated with the subsequent risk of an adverse pregnancy outcome. […] Body weight is strongly correlated with progressively increased preeclampsia risk, ranging from 4.3% for women with a body mass index (BMI) below 20 kg/m2 to 13.3% in those with a BMI over 30 kg/m2. […] An analysis of 456,668 singleton births found that early-onset ( 34 weeks’ gestation) and late-onset (34 weeks’ gestation) preeclampsia shared some etiologic features, but their risk factors and outcomes differed.
  • #44 Preeclampsia > Fact Sheets > Yale Medicine
    https://www.yalemedicine.org/conditions/preeclampsia
    Preeclampsia is a form of hypertension that affects women in the second half of pregnancy. […] The exact cause of preeclampsia is unknown. It is likely related to abnormalities in the placental development taking place early in the pregnancy, leading to a lack of the normal dilation (enlargement) of the small arteries in the placenta, and reduced blood flow to the placenta, fetus, and pregnant woman’s organs. […] Certain conditions increase a woman’s risk of developing preeclampsia, such as a personal or family history of preeclampsia, carrying twins or other multiple gestation, chronic hypertension, diabetes, lupus or other autoimmune diseases, kidney disease, sleep apnea, a first pregnancy, being overweight or obese, being over age 35, in-vitro fertilization (IVF), becoming pregnant again after 10 or more years, and previously delivering a low-birthweight baby.
  • #45
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8857508/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders but it can develop de novo in the postpartum timeframe. […] New-onset postpartum preeclampsia is an understudied disease entity with few evidence-based guidelines to guide diagnosis and management. […] Older maternal age, black race, and maternal obesity as well as cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Whether postpartum preeclampsia/eclampsia represents a distinct entity from preeclampsia / eclampsia with antepartum-onset is unclear and remains a source of debate. […] We believe further study is needed to determine if new-onset postpartum preeclampsia/eclampsia is a distinct entity from preeclampsia with antepartum-onset; that said, we recommend that this condition be highlighted here and in national/international guidelines as it is under-recognized by providers.
  • #46 Pre-eclampsia | Nature Reviews Disease Primers
    https://www.nature.com/articles/s41572-023-00417-6
    Pre-eclampsia is a life-threatening disease of pregnancy unique to humans and a leading cause of maternal and neonatal morbidity and mortality. […] Despite decades of research, the aetiology of pre-eclampsia, particularly of term and postpartum pre-eclampsia, remains poorly defined. […] Future research must investigate the pathogenesis of pre-eclampsia, in particular of term and postpartum pre-eclampsia, and evaluate new prognostic tests and treatments in adequately powered clinical trials. […] A comprehensive review of our understanding of the aetiology of pre-eclampsia that encompasses both preterm and term physiology.
  • #47 Preeclampsia – Symptoms & causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/preeclampsia/symptoms-causes/syc-20355745
    Preeclampsia may develop after delivery of a baby, a condition known as postpartum preeclampsia. […] The exact cause of preeclampsia likely involves several factors. Experts believe it begins in the placenta the organ that nourishes the fetus throughout pregnancy. Early in a pregnancy, new blood vessels develop and evolve to supply oxygen and nutrients to the placenta. […] In women with preeclampsia, these blood vessels don’t seem to develop or work properly. Problems with how well blood circulates in the placenta may lead to the irregular regulation of blood pressure in the mother.
  • #48 Pre-eclampsia – Wikipedia
    https://en.wikipedia.org/wiki/Pre-eclampsia
    Preeclampsia is a multi-system disorder specific to pregnancy, characterized by the new onset of high blood pressure and often a significant amount of protein in the urine or by the new onset of high blood pressure along with significant end-organ damage, with or without the proteinuria. […] Risk factors for pre-eclampsia include obesity, prior hypertension, older age, and diabetes mellitus. […] The underlying mechanisms are complex and involve abnormal formation of blood vessels in the placenta amongst other factors. […] While the exact cause of pre-eclampsia remains unclear, there is strong evidence that a major cause predisposing a susceptible woman to pre-eclampsia is an abnormally implanted placenta. […] This abnormally implanted placenta may result in poor uterine and placental perfusion, yielding a state of hypoxia and increased oxidative stress and the release of anti-angiogenic proteins along with inflammatory mediators into the maternal plasma.
  • #49 Pre-eclampsia – Wikipedia
    https://en.wikipedia.org/wiki/Pre-eclampsia
    A major consequence of this sequence of events is generalized endothelial dysfunction. […] When pre-eclampsia develops in the last weeks of pregnancy or a multiple pregnancy, the causation may, in some cases, partly be due to a large placenta outgrowing the capacity of the uterus, eventually leading to the symptoms of pre-eclampsia. […] The cause of preeclampsia is not fully understood. It is likely related factors such as abnormal placentation, immunologic factors, prior or existing maternal pathology, dietary factors, environmental factors, and infection. […] Those with long-term high blood pressure have a 7 to 8 times higher risk than those without. […] The onset of pre-eclampsia is thought to be caused by several complex interactions between genetics and environmental factors. […] The clinical manifestations of pre-eclampsia are associated with general endothelial dysfunction, including vasoconstriction and end-organ ischemia.
  • #50 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #51 Postpartum Preeclampsia: A Silent, But Serious Condition | ColumbiaDoctors
    https://www.columbiadoctors.org/news/postpartum-preeclampsia-silent-serious-condition
    Postpartum preeclampsia happens when a womans blood pressure goes above 140/90 after childbirth. […] We dont know exactly what causes postpartum preeclampsia, but experts believe there are a few contributing factors. Quick changes in hormonal levels and fluids can affect blood pressure. […] Several factors can contribute to the development of postpartum preeclampsia in older women without a prior history of hypertension. These factors include: […] Hormonal changes: The rapid hormonal shifts after childbirth can affect blood pressure regulation, potentially leading to hypertension. […] Studies show that the development of postpartum preeclampsia increases a womans risk of having heart disease or stroke later in life, so while it is important for all women to lead a heart-healthy lifestyle, it is even more important for women who experience hypertensive disorders of pregnancy, cautions Dr. Tolani.
  • #52 Postpartum Preeclampsia
    https://www.whattoexpect.com/first-year/postpartum-health-and-care/postpartum-preeclampsia/
    For most women with preeclampsia, the condition will develop during pregnancy but in rarer instances, it can appear after you’ve given birth. […] Experts aren’t sure what causes postpartum preeclampsia, but the American College of Obstetricians and Gynecologists (ACOG) points out that fluid shifts that occur after giving birth can possibly cause a rise in blood pressure levels during the three- to six-day period after labor and delivery. […] Women who have preeclampsia during pregnancy have an increased risk for the disorder after giving birth, but even mothers with healthy blood pressure levels can develop the condition postpartum. […] While more research is needed to pinpoint what increases a woman’s odds of having postpartum preeclampsia, the following risk factors may play a role in its development: Having gestational diabetes or preexisting type 1 or type 2 diabetes, High blood pressure that develops after week 20 of pregnancy, Obesity, Carrying multiples, Having heart disease due to high blood pressure, Being 40 years old or older, Autoimmune conditions, Black mothers are also more likely to develop preeclampsia and postpartum preeclampsia.
  • #53 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #54 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    Timely recognition and treatment of postpartum preeclampsia is essential to improving morbidity and mortality in postpartum patients. […] The exact development of postpartum preeclampsia is not completely understood; however, during normal pregnancy, an increase of up to 45% of plasma volume occurs to meet the greater circulatory needs of the placenta and maternal organs. […] Patients who receive large amounts of fluids between labor and the postpartum period because of anesthesia or cesarean delivery are more likely to experience a state of volume overload resulting in hypertension. […] A group of obstetricians studied 6 cases of postpartum hypertensive crises in which NSAIDs contributed to significant increases in blood pressure. […] Other medications that are thought to play a role in postpartum preeclampsia include the ergot alkaloids such as ergotamine and methylergonovine for treatment of uterine atony and prevention of uterine hemorrhage.
  • #55 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Immunologic factors have long been considered to be key players in preeclampsia. One important component is a poorly understood dysregulation of maternal tolerance to paternally derived placental and fetal antigens. This maternal-fetal immune maladaptation is characterized by defective cooperation between uterine natural killer(NK) cells and fetal human leukocyte antigen (HLA)-C, and results in histologic changes similar to those seen in acute graft rejection. […] The endothelial cell dysfunction that is characteristic of preeclampsia may be partially due to an extreme activation of leukocytes in the maternal circulation, as evidenced by an upregulation of type 1 helper T cells. […] Placental implantation with abnormal trophoblastic invasion of uterine vessels is a major cause of hypertension associated with preeclampsia syndrome. In fact, studies have shown that the degree of incomplete trophoblastic invasion of the spiral arteries is directly correlated with the severity of subsequent maternal hypertension. This is because the placental hypoperfusion resulting from the incomplete invasion leads by an unclear pathway to the release of systemic vasoactive compounds that cause an exaggerated inflammatory response, vasoconstriction, endothelial damage, capillary leak, hypercoagulability, and platelet dysfunction, all of which contribute to organ dysfunction and the various clinical features of the disease.
  • #56 Eclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/253960-overview
    The mechanism(s) responsible for the development of eclampsia remain(s) unclear. Genetic predisposition, immunology, endocrinology, nutrition, abnormal trophoblastic invasion, coagulation abnormalities, vascular endothelial damage, cardiovascular maladaptation, dietary deficiencies or excess, and infection have been proposed as etiologic factors for preeclampsia/eclampsia. […] Imbalanced prostanoid production and increased plasma antiphospholipids have also been implicated in eclampsia. […] In murine models, placental ischemia appears to be associated with an increased susceptibility to seizures and cerebrospinal fluid (CSF) inflammation.
  • #57 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #58 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Evidence also suggests that oxidative stress, circulatory maladaptation, inflammation, and humoral, mineral, and metabolic abnormalities contribute to the endothelial dysfunction and pathogenesis of preeclampsia. […] Preeclampsia has been shown to involve multiple genes. Over 100 maternal and paternal genes have been studied for their association with preeclampsia, including those known to play a role in vascular diseases, BP regulation, diabetes, and immunologic functions. […] Importantly, the risk of preeclampsia is positively correlated between close relatives; a study showed that 20-40% of daughters and 11-37% of sisters of women with preeclampsia also developed the disease. […] Other substances that have been proposed, but not proven, to contribute to preeclampsia include tumor necrosis factor, interleukins, various lipid molecules, and syncytial knots.
  • #59 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #60 Postpartum preeclampsia: Symptoms and treatment
    https://www.medicalnewstoday.com/articles/postpartum-preeclampsia
    Postpartum preeclampsia is the new onset of high blood pressure after giving birth. […] Experts do not fully understand what causes preeclampsia, but research suggests that the condition is related to reduced blood flow in the placenta. This is known as placental ischemia. […] In postpartum preeclampsia, it is possible that these harmful substances are still present in the body after birth, causing the condition to begin even after delivering the placenta. […] A 2023 review also notes that, in the United States, postpartum preeclampsia is more common in people who: are over 35 years old, had obesity before pregnancy, had a C-section, are Black. […] The review does not explore why the condition affects more Black people than white people. However, antenatal preeclampsia is also more common in Black people. Researchers believe this is due to the effects of racism on health and healthcare.
  • #61 Postpartum Preeclampsia
    https://www.preeclampsia.org/postpartum-preeclampsia
    Delivery is not the cure for preeclampsia. […] It’s important to know that delivery is not the cure for preeclampsia. Any woman can develop preeclampsia after her baby is born, or postpartum preeclampsia, whether she experienced high blood pressure during her pregnancy or not. […] There’s no definitive cause of preeclampsia. Delivery, in most cases, is the acute treatment, not a cure. “It takes time for the uterus to shed its lining after birth, so this process may be behind the delay that’s sometimes seen in [postpartum preeclampsia] after delivery,” says James N. Martin, MD, past president of the American College of Obstetricians and Gynecologists and member of the Preeclampsia Foundation Medical Advisory Board. It’s also possible this condition begins during pregnancy but doesn’t show signs or symptoms until after the baby has arrived. […] The risk factors for postpartum preeclampsia are very similar to those associated with preeclampsia during pregnancy however, any woman — regardless of previous experience with blood pressure problems, weight, diet, or exercise — is at risk.
  • #62 Postpartum Preeclampsia: Symptoms, Causes, and Prevention Tips
    https://www.copperstateobgyn.com/postpartum-preeclampsia/
    Postpartum preeclampsia can happen to any woman. Even if you dont have signs of preeclampsia during your pregnancy, you can still develop postpartum preeclampsia. […] We dont know exactly what causes preeclampsia, but there are some possible risk factors: […] Doctors dont have a clear answer of what causes preeclampsia, but they do know that delivery is not always the cure. Sometimes preeclampsia develops while a woman is pregnant and she doesnt show signs or symptoms until after delivery.
  • #63 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #64 Postpartum Preeclampsia: Symptoms, Causes, Treatment
    https://flo.health/being-a-mom/recovering-from-birth/postpartum-problems/postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition that can arise from few hours to even 6-12 weeks after childbirth. […] Doctors and scientists have struggled to find a definitive cause for why preeclampsia occurs after delivery. Some possible explanations are that women who experience postpartum preeclampsia actually suffered from preeclampsia during their pregnancy but weren’t aware of the symptoms. In other cases, women may have had the condition without displaying any symptoms until after childbirth. […] Though the cause of postpartum preeclampsia isn’t very well understood, there are some common risk factors that may increase a woman’s likelihood of developing the condition after childbirth. […] Even if you don’t have any of these related risk factors, you may still suffer from postpartum preeclampsia.
  • #65 A Pregnant Pause: My Personal Experience with Postpartum Preeclampsia | Rollins School of Public Health | Emory University | Atlanta GA
    https://sph.emory.edu/news/news-release/2025/03/personal-account-postpartum-preeclampsia.html
    Part of the challenge is most of the time postpartum preeclampsia happens after people go home from the hospital because postpartum blood pressure does a little dip and then it rises a little bit, says Stanhope. […] Risks of postpartum preeclampsia tend to be highest the first two weeks after birth up until six weeks postpartum. […] Treatment for my postpartum preeclampsia ended up being a day-and-a-half at the hospital that ended up being covered by my insurance. […] Postpartum preeclampsia is one of many postpartum complications that may go unrecognized and untreated.
  • #66 Preeclampsia: Clinical features and diagnosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-clinical-features-and-diagnosis
    The pathogenesis of preeclampsia likely involves both placental and maternal factors. Abnormal development of the placental vasculature early in pregnancy is a key event that results in relative placental underperfusion, hypoxia, ischemia, and oxidative stress, leading to release of antiangiogenic factors into the maternal circulation. […] Risk factors for delayed postpartum preeclampsia appear to be similar to those for the typical cases of preeclampsia. […] Postpartum preeclampsia may represent a subgroup of patients who had subclinical preeclampsia before birth, delayed clearance of antiangiogenic factors, activation of the complement system after birth, and/or mobilization of extracellular fluid into the intravascular system leading to volume overload, hypertension, and cerebral vasoconstriction.
  • #67 Postpartum Preeclampsia: Risk after Delivery Remains | DONA International
    https://www.dona.org/postpartum-preeclampsia-risk-after-delivery-remains/
    Postpartum preeclampsia is a serious condition related to high blood pressure. It can happen to any mother who just had a baby. It has most of the same features of preeclampsia or other hypertensive disorders of pregnancy, without affecting the baby. […] Any woman can develop preeclampsia after her baby is born, whether she experienced high blood pressure during her pregnancy or not. It’s important that mothers who recently delivered continue to monitor their health after delivery. They should measure their blood pressure for at least six weeks postpartum, especially during the first week, which is the most critical. […] Most women with preeclampsia will deliver healthy babies and fully recover. However, some women will experience complications, several of which may be life-threatening. A woman’s condition can progress to severe preeclampsia, eclampsia, or HELLP syndrome quickly. Delivery, sometimes after a period of expectant management (“watchful waiting”), is a necessary intervention. Once delivered, a mother still needs to receive care if she is experiencing high blood pressure and related preeclampsia symptoms.
  • #68 Postpartum hypertension: When a new mom’s blood pressure is too high | Heart | Your Pregnancy Matters | UT Southwestern Medical Center
    https://utswmed.org/medblog/postpartum-high-blood-pressure/
    Women who had preeclampsia may still be at risk up to six weeks after delivery. Women who had high blood pressure before and during pregnancy continue to be at risk as long as their blood pressure remains high. […] Patient education and empowerment are cornerstones of our program. Women need to understand that any patient with a hypertensive disorder of pregnancy is at risk for developing severe hypertension in the postpartum period. […] Morbidity and mortality related to postpartum hypertension should be 100 percent preventable.
  • #69 Pre-eclampsia – Wikipedia
    https://en.wikipedia.org/wiki/Pre-eclampsia
    A major consequence of this sequence of events is generalized endothelial dysfunction. […] When pre-eclampsia develops in the last weeks of pregnancy or a multiple pregnancy, the causation may, in some cases, partly be due to a large placenta outgrowing the capacity of the uterus, eventually leading to the symptoms of pre-eclampsia. […] The cause of preeclampsia is not fully understood. It is likely related factors such as abnormal placentation, immunologic factors, prior or existing maternal pathology, dietary factors, environmental factors, and infection. […] Those with long-term high blood pressure have a 7 to 8 times higher risk than those without. […] The onset of pre-eclampsia is thought to be caused by several complex interactions between genetics and environmental factors. […] The clinical manifestations of pre-eclampsia are associated with general endothelial dysfunction, including vasoconstriction and end-organ ischemia.
  • #70 What doctors wish patients knew about preeclampsia | American Medical Association
    https://www.ama-assn.org/delivering-care/population-care/what-doctors-wish-patients-knew-about-preeclampsia
    Preeclampsia is a disorder that occurs only during pregnancy and the postpartum period and affects both the mother and the unborn baby, Dr. Hoppe said, noting it is characterized by high blood pressure and usually the presence of protein in the urine. […] Unfortunately, we still dont understand the exact trigger within the body that causes preeclampsia. But since preeclampsia affects small blood vessels in the body, it can lead to kidney, liver, brain and placenta dysfunction. […] We dont exactly know what causes preeclampsia. Its likely a result of multiple, interacting things, Dr. Hoppe said. We think theres a large component of the placenta or abnormal placentation and then other underlying risk factors such as mental health, genetics, immune response and lifestyle. […] Women whove had a hypertension related diagnosis in a prior pregnancy are at risk of developing hypertension during a subsequent pregnancy, Dr. Hoppe said. The earlier, more severe the hypertension disorder was increases that risk.
  • #71 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Evidence also suggests that oxidative stress, circulatory maladaptation, inflammation, and humoral, mineral, and metabolic abnormalities contribute to the endothelial dysfunction and pathogenesis of preeclampsia. […] Preeclampsia has been shown to involve multiple genes. Over 100 maternal and paternal genes have been studied for their association with preeclampsia, including those known to play a role in vascular diseases, BP regulation, diabetes, and immunologic functions. […] Importantly, the risk of preeclampsia is positively correlated between close relatives; a study showed that 20-40% of daughters and 11-37% of sisters of women with preeclampsia also developed the disease. […] Other substances that have been proposed, but not proven, to contribute to preeclampsia include tumor necrosis factor, interleukins, various lipid molecules, and syncytial knots.
  • #72
    https://www.nhs.uk/conditions/pre-eclampsia/causes/
    Pre-eclampsia is thought to be caused by the placenta not developing properly due to a problem with the blood vessels supplying it. The exact cause isn’t fully understood. […] In pre-eclampsia, the placenta doesn’t get enough blood. This could be because the placenta didn’t develop properly as it was forming during the first half of the pregnancy. […] If the blood vessels don’t fully transform, it’s likely that the placenta won’t develop properly because it won’t get enough nutrients. This may lead to pre-eclampsia. […] It’s likely that inherited changes in your genes have some sort of role, as the condition often runs in families. But this only explains some cases.
  • #73 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Evidence also suggests that oxidative stress, circulatory maladaptation, inflammation, and humoral, mineral, and metabolic abnormalities contribute to the endothelial dysfunction and pathogenesis of preeclampsia. […] Preeclampsia has been shown to involve multiple genes. Over 100 maternal and paternal genes have been studied for their association with preeclampsia, including those known to play a role in vascular diseases, BP regulation, diabetes, and immunologic functions. […] Importantly, the risk of preeclampsia is positively correlated between close relatives; a study showed that 20-40% of daughters and 11-37% of sisters of women with preeclampsia also developed the disease. […] Other substances that have been proposed, but not proven, to contribute to preeclampsia include tumor necrosis factor, interleukins, various lipid molecules, and syncytial knots.
  • #74 What Is Postpartum Preeclampsia: Symptoms and Treatment | Personalabs
    https://www.personalabs.com/blog/postpartum-preeclampsia/?srsltid=AfmBOopxYvb1zQKSEvu8Im3EzNYt-Q4sc6TC5-nXI–2TGSz4X3AexIP
    Postpartum preeclampsia is a rare but life-threatening condition that occurs after childbirth. […] The exact cause and physiological pathway of postpartum preeclampsia is yet to be discovered. Nonetheless, several factors have been identified that contribute to the development of postpartum preeclampsia, specifically the following: […] Some abnormalities in the blood vessel lining and formation during pregnancy can lead to increased blood pressure, leading to preeclampsia during and even after childbirth. […] The placenta forms new blood vessels to channel oxygen and nutrients to the fetus. These newly formed blood vessels may contain physiological damage that sparks preeclampsia. […] Your risk of postpartum preeclampsia increases if you have kidney disease, diabetes, obesity, chronic inflammation, and autoimmune disorders. […] If someone in your family has experienced preeclampsia, your likelihood of carrying the genes that inhibit proper placenta development increases. Hence, you are relatively inclined to have preeclampsia after child delivery.
  • #75 Postpartum Preeclampsia – Symptoms, Causes , Complications, Treatment
    https://www.apollohospitals.com/diseases-and-conditions/postpartum-preeclampsia-symptoms-causes-complications-and-treatment
    Postpartum preeclampsia is preeclampsia that occurs after childbirth. This condition generally develops after a few hours of giving birth but may even develop 6 weeks after childbirth. […] Doctors have yet not identified the real cause behind preeclampsia. Some of the potential causes include genetic factors: If your mother or sister suffered from postpartum preeclampsia or has high blood pressure, you may also suffer from it. […] Blood vessel problems: Having weak or narrowed blood vessels may lead to this condition after delivery.
  • #76 Preeclampsia in Pregnancy: Symptoms, Causes &Treatments | Ada
    https://ada.com/conditions/preeclampsia/
    While the cause is uncertain, the risk factors for preeclampsia are well-known. Risk of preeclampsia is higher in women who: […] There is some evidence that preeclampsia and heart disease share some risk factors, namely: […] Preeclampsia is slightly more common among pregnant women from poorer communities, which may suggest that there is a connection between nutrition and preeclampsia. […] A related theory is that overnutrition, especially obesity before and during pregnancy, as well as undernutrition, can both cause the risk of preeclampsia to rise. […] It has been suggested that low-protein diets, low-fat diets and low-energy diets may affect preeclampsia. […] The only things that are proven to have a positive effect on reducing the risk of preeclampsia are calcium supplements and low-dose aspirin.
  • #77 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    Risk factors for preeclampsia include the following: Nulliparity, Multifetal gestations, Preeclampsia in a previous pregnancy, Chronic hypertension, Pregestational diabetes, Gestational diabetes, Thrombophilia, Systemic lupus erythematosus, Prepregnancy body mass index greater than 30, Antiphospholipid antibody syndrome, Maternal age 35 years or older, Kidney disease, Assisted reproductive technology, Obstructive sleep apnea. […] One literature review suggests that maternal vitamin D deficiency may increase the risk of preeclampsia and fetal growth restriction. Another study determined that vitamin D deficiency/insufficiency was common in a group of women at high risk for preeclampsia. However, it was not associated with the subsequent risk of an adverse pregnancy outcome. […] Body weight is strongly correlated with progressively increased preeclampsia risk, ranging from 4.3% for women with a body mass index (BMI) below 20 kg/m2 to 13.3% in those with a BMI over 30 kg/m2. […] An analysis of 456,668 singleton births found that early-onset ( 34 weeks’ gestation) and late-onset (34 weeks’ gestation) preeclampsia shared some etiologic features, but their risk factors and outcomes differed.
  • #78 Preeclampsia in Pregnancy: Symptoms, Causes &Treatments | Ada
    https://ada.com/conditions/preeclampsia/
    While the cause is uncertain, the risk factors for preeclampsia are well-known. Risk of preeclampsia is higher in women who: […] There is some evidence that preeclampsia and heart disease share some risk factors, namely: […] Preeclampsia is slightly more common among pregnant women from poorer communities, which may suggest that there is a connection between nutrition and preeclampsia. […] A related theory is that overnutrition, especially obesity before and during pregnancy, as well as undernutrition, can both cause the risk of preeclampsia to rise. […] It has been suggested that low-protein diets, low-fat diets and low-energy diets may affect preeclampsia. […] The only things that are proven to have a positive effect on reducing the risk of preeclampsia are calcium supplements and low-dose aspirin.
  • #79 Preeclampsia: MedlinePlus Medical EncyclopediaLock
    https://medlineplus.gov/ency/article/000898.htm
    Preeclampsia is high blood pressure and signs of liver or kidney damage that occur in women after the 20th week of pregnancy. While it is rare, preeclampsia also may occur in a woman after delivering her baby, most often within 48 hours. This is called postpartum preeclampsia. […] The exact cause of preeclampsia is unknown. It occurs in 3% to 7% of all pregnancies. The condition is thought to start in the placenta. Factors that may lead to preeclampsia developing include: Autoimmune disorders such as lupus, Blood vessel problems, Your diet, Your genes. […] If you have had preeclampsia, you are more likely to develop it again during another pregnancy. In most cases, it is not as severe as the first time. […] There is no sure way to prevent preeclampsia. If your provider thinks you are at high risk of developing preeclampsia, they may suggest that you start baby aspirin (81 mg) daily late in the first trimester or early in the second trimester of your pregnancy. However, DO NOT start baby aspirin unless you have consulted with your doctor first.
  • #80 How Is Postpartum Preeclampsia Treated?
    https://www.medicinenet.com/how_is_postpartum_preeclampsia_treated/article.htm
    If the doctor diagnoses postpartum preeclampsia, theyll want to lower your blood pressure with medication. […] Postpartum preeclampsia is related to high blood pressure, so doctors focus on treating it. […] Studies have shown that prenatal vitamins are essential after your baby is born. The folic acid present in these vitamins can help lower the risk of hypertension and preeclampsia. […] If your postpartum preeclampsia is left untreated, severe complications can occur.
  • #81 How Is Postpartum Preeclampsia Treated?
    https://www.medicinenet.com/how_is_postpartum_preeclampsia_treated/article.htm
    If the doctor diagnoses postpartum preeclampsia, theyll want to lower your blood pressure with medication. […] Postpartum preeclampsia is related to high blood pressure, so doctors focus on treating it. […] Studies have shown that prenatal vitamins are essential after your baby is born. The folic acid present in these vitamins can help lower the risk of hypertension and preeclampsia. […] If your postpartum preeclampsia is left untreated, severe complications can occur.
  • #82 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #83 3 Conditions to Watch for After Childbirth | ACOG
    https://www.acog.org/womens-health/experts-and-stories/the-latest/3-conditions-to-watch-for-after-childbirth
    Postpartum preeclampsia most often happens within a few days after delivery, but it can occur up to 6 weeks later. Untreated, preeclampsia can cause stroke, seizures, and other serious problems. […] Preeclampsia can affect all the organs in a woman’s body. You have preeclampsia when you have high blood pressure and other signs that your organs aren’t working normally. […] Postpartum preeclampsia can be treated with medications that lower blood pressure. Your ob-gyn may also recommend intravenous (IV) medication to prevent seizures.
  • #84 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #85 3 Conditions to Watch for After Childbirth | ACOG
    https://www.acog.org/womens-health/experts-and-stories/the-latest/3-conditions-to-watch-for-after-childbirth
    Postpartum preeclampsia most often happens within a few days after delivery, but it can occur up to 6 weeks later. Untreated, preeclampsia can cause stroke, seizures, and other serious problems. […] Preeclampsia can affect all the organs in a woman’s body. You have preeclampsia when you have high blood pressure and other signs that your organs aren’t working normally. […] Postpartum preeclampsia can be treated with medications that lower blood pressure. Your ob-gyn may also recommend intravenous (IV) medication to prevent seizures.
  • #86 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #87 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #88 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #89 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #90 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #91 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #92 Postpartum Preeclampsia: Causes, Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/17733-postpartum-preeclampsia
    Postpartum preeclampsia is a rare but serious condition related to high blood pressure after you give birth. […] The exact cause is unknown. Healthcare providers know that certain factors increase your risk. […] If you have any of the following conditions, you may be at higher risk: Obesity, High blood pressure during pregnancy, Family or personal history of preeclampsia or postpartum preeclampsia, Being younger than 20, Being older than 40, Expecting twins or more, Autoimmune conditions, Type 1 or Type 2 diabetes. […] Postpartum preeclampsia can lead to serious complications without treatment, including: Permanent damage to your brain, liver and kidneys, Seizures, Excess fluid in your lungs (pulmonary edema), Stroke, Blood clots, HELLP syndrome, Death. […] No, there’s no way to avoid or prevent postpartum preeclampsia. The best thing you can do is be aware of the symptoms and discuss your complete medical history with your healthcare provider.
  • #93 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #94 Postpartum Preeclampsia: A Silent, But Serious Condition | ColumbiaDoctors
    https://www.columbiadoctors.org/news/postpartum-preeclampsia-silent-serious-condition
    Postpartum preeclampsia happens when a womans blood pressure goes above 140/90 after childbirth. […] We dont know exactly what causes postpartum preeclampsia, but experts believe there are a few contributing factors. Quick changes in hormonal levels and fluids can affect blood pressure. […] Several factors can contribute to the development of postpartum preeclampsia in older women without a prior history of hypertension. These factors include: […] Hormonal changes: The rapid hormonal shifts after childbirth can affect blood pressure regulation, potentially leading to hypertension. […] Studies show that the development of postpartum preeclampsia increases a womans risk of having heart disease or stroke later in life, so while it is important for all women to lead a heart-healthy lifestyle, it is even more important for women who experience hypertensive disorders of pregnancy, cautions Dr. Tolani.
  • #95 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #96 How Preeclampsia Can Affect You After Your Pregnancy | Henry Ford Health – Detroit, MI
    https://www.henryford.com/blog/2023/07/how-preeclampsia-can-affect-you-after-your-pregnancy
    Approximately 8% of women develop preeclampsia during the last months of their pregnancy. […] But preeclampsia actually signals the presence of underlying heart and blood vessel (cardiovascular) conditions that may cause complications after delivery. […] Preeclampsia is a sign that something is not quite right with the blood vessels, predisposing women to complications after delivery and heart disease in the future, says Dr. Radjef. […] Women affected by preeclampsia are also at increased risk for heart disease in the future. […] If youve had preeclampsia, Dr. Radjef recommends seeing your primary care physician at least every two years for a check-up. […] Heart disease can affect women of all ages at any time.
  • #97 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #98 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #99 How Preeclampsia Can Affect You After Your Pregnancy | Henry Ford Health – Detroit, MI
    https://www.henryford.com/blog/2023/07/how-preeclampsia-can-affect-you-after-your-pregnancy
    Approximately 8% of women develop preeclampsia during the last months of their pregnancy. […] But preeclampsia actually signals the presence of underlying heart and blood vessel (cardiovascular) conditions that may cause complications after delivery. […] Preeclampsia is a sign that something is not quite right with the blood vessels, predisposing women to complications after delivery and heart disease in the future, says Dr. Radjef. […] Women affected by preeclampsia are also at increased risk for heart disease in the future. […] If youve had preeclampsia, Dr. Radjef recommends seeing your primary care physician at least every two years for a check-up. […] Heart disease can affect women of all ages at any time.
  • #100 Preeclampsia: Intrapartum and postpartum management and long-term prognosis – UpToDate
    https://www.uptodate.com/contents/preeclampsia-intrapartum-and-postpartum-management-and-long-term-prognosis
    Preeclampsia is a multisystem progressive disorder characterized by the new onset of hypertension and proteinuria or other significant end-organ dysfunction in the last half of pregnancy or postpartum. […] The only definitive treatment is delivery to prevent development of maternal or fetal complications from disease progression. […] Postpartum, maternal monitoring is important to identify the minority of patients whose blood pressure does not return to normal after giving birth. […] Long-term maternal surveillance is also important because patients with a history of preeclampsia are at increased risk for development of cardiovascular disease later in life.
  • #101 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #102 Pre-eclampsia | Nature Reviews Disease Primers
    https://www.nature.com/articles/s41572-023-00417-6
    Pre-eclampsia is a life-threatening disease of pregnancy unique to humans and a leading cause of maternal and neonatal morbidity and mortality. […] Despite decades of research, the aetiology of pre-eclampsia, particularly of term and postpartum pre-eclampsia, remains poorly defined. […] Future research must investigate the pathogenesis of pre-eclampsia, in particular of term and postpartum pre-eclampsia, and evaluate new prognostic tests and treatments in adequately powered clinical trials. […] A comprehensive review of our understanding of the aetiology of pre-eclampsia that encompasses both preterm and term physiology.
  • #103 Preeclampsia: Background, Pathophysiology, Etiology
    https://emedicine.medscape.com/article/1476919-overview
    The primary cause for the failure of these invasive cytotrophoblasts to undergo pseudovascularization and invade maternal blood vessels is not clear. However, immunologic and genetic factors have been proposed. Early hypoxic insult to differentiating cytotrophoblasts has also been proposed as a contributing factor. […] Data show that an imbalance of proangiogenic and antiangiogenic factors produced by the placenta may play a major role in mediating endothelial dysfunction. Angiogenesis is critical for successful placentation and the normal interaction between trophoblasts and endothelium. […] Several circulating markers of endothelial cell injury have been shown to be elevated in women who develop preeclampsia before they became symptomatic. These include endothelin, cellular fibronectin, and plasminogen activator inhibitor-1, with an altered prostacyclin/thromboxane profile also present.
  • #104 Pre-eclampsia | Nature Reviews Disease Primers
    https://www.nature.com/articles/s41572-023-00417-6
    Pre-eclampsia is a life-threatening disease of pregnancy unique to humans and a leading cause of maternal and neonatal morbidity and mortality. […] Despite decades of research, the aetiology of pre-eclampsia, particularly of term and postpartum pre-eclampsia, remains poorly defined. […] Future research must investigate the pathogenesis of pre-eclampsia, in particular of term and postpartum pre-eclampsia, and evaluate new prognostic tests and treatments in adequately powered clinical trials. […] A comprehensive review of our understanding of the aetiology of pre-eclampsia that encompasses both preterm and term physiology.
  • #105 How Is Postpartum Preeclampsia Treated?
    https://www.medicinenet.com/how_is_postpartum_preeclampsia_treated/article.htm
    If the doctor diagnoses postpartum preeclampsia, theyll want to lower your blood pressure with medication. […] Postpartum preeclampsia is related to high blood pressure, so doctors focus on treating it. […] Studies have shown that prenatal vitamins are essential after your baby is born. The folic acid present in these vitamins can help lower the risk of hypertension and preeclampsia. […] If your postpartum preeclampsia is left untreated, severe complications can occur.
  • #106 Preeclampsia: MedlinePlus Medical EncyclopediaLock
    https://medlineplus.gov/ency/article/000898.htm
    Preeclampsia is high blood pressure and signs of liver or kidney damage that occur in women after the 20th week of pregnancy. While it is rare, preeclampsia also may occur in a woman after delivering her baby, most often within 48 hours. This is called postpartum preeclampsia. […] The exact cause of preeclampsia is unknown. It occurs in 3% to 7% of all pregnancies. The condition is thought to start in the placenta. Factors that may lead to preeclampsia developing include: Autoimmune disorders such as lupus, Blood vessel problems, Your diet, Your genes. […] If you have had preeclampsia, you are more likely to develop it again during another pregnancy. In most cases, it is not as severe as the first time. […] There is no sure way to prevent preeclampsia. If your provider thinks you are at high risk of developing preeclampsia, they may suggest that you start baby aspirin (81 mg) daily late in the first trimester or early in the second trimester of your pregnancy. However, DO NOT start baby aspirin unless you have consulted with your doctor first.
  • #107 Postpartum hypertension: When a new mom’s blood pressure is too high | Heart | Your Pregnancy Matters | UT Southwestern Medical Center
    https://utswmed.org/medblog/postpartum-high-blood-pressure/
    Checking your blood pressure at home and monitoring for signs and symptoms of postpartum preeclampsia can help prevent postpartum medical emergencies such as stroke or seizures. […] According to the report, two of the top six causes of maternal morbidity and mortality in Texas are preeclampsia (disorder of high blood pressure related to pregnancy) and eclampsia (seizures resulting from preeclampsia). […] Maternal complications resulting from severe hypertension during or after pregnancy are largely preventable. However, severe hypertension, particularly in the postpartum period, often goes unrecognized and untreated because women are not receiving the tools, education, or empowerment they need to monitor and maintain their health after going home with their baby. […] When a patient’s blood pressure exceeds 140/90 for the first time in the postpartum period, the patient may have postpartum preeclampsia.
  • #108 A Pregnant Pause: My Personal Experience with Postpartum Preeclampsia | Rollins School of Public Health | Emory University | Atlanta GA
    https://sph.emory.edu/news/news-release/2025/03/personal-account-postpartum-preeclampsia.html
    Part of the challenge is most of the time postpartum preeclampsia happens after people go home from the hospital because postpartum blood pressure does a little dip and then it rises a little bit, says Stanhope. […] Risks of postpartum preeclampsia tend to be highest the first two weeks after birth up until six weeks postpartum. […] Treatment for my postpartum preeclampsia ended up being a day-and-a-half at the hospital that ended up being covered by my insurance. […] Postpartum preeclampsia is one of many postpartum complications that may go unrecognized and untreated.
  • #109
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8857508/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders but it can develop de novo in the postpartum timeframe. […] New-onset postpartum preeclampsia is an understudied disease entity with few evidence-based guidelines to guide diagnosis and management. […] Older maternal age, black race, and maternal obesity as well as cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Whether postpartum preeclampsia/eclampsia represents a distinct entity from preeclampsia / eclampsia with antepartum-onset is unclear and remains a source of debate. […] We believe further study is needed to determine if new-onset postpartum preeclampsia/eclampsia is a distinct entity from preeclampsia with antepartum-onset; that said, we recommend that this condition be highlighted here and in national/international guidelines as it is under-recognized by providers.
  • #110 Pre-eclampsia | Nature Reviews Disease Primers
    https://www.nature.com/articles/s41572-023-00417-6
    Pre-eclampsia is a life-threatening disease of pregnancy unique to humans and a leading cause of maternal and neonatal morbidity and mortality. […] Despite decades of research, the aetiology of pre-eclampsia, particularly of term and postpartum pre-eclampsia, remains poorly defined. […] Future research must investigate the pathogenesis of pre-eclampsia, in particular of term and postpartum pre-eclampsia, and evaluate new prognostic tests and treatments in adequately powered clinical trials. […] A comprehensive review of our understanding of the aetiology of pre-eclampsia that encompasses both preterm and term physiology.
  • #111 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #112 Postpartum Preeclampsia: Clinical Overview of Hypertensive Crisis
    https://www.clinicaladvisor.com/features/postpartum-preeclampsia-overview/
    The study discovered that patients were more likely to suffer from postpartum preeclampsia if they were non-Hispanic Black patients, had a BMI of 30 or more, were 35 years of age or older, and had a delivery via cesarean. […] Researchers discovered preeclampsia increases an individuals lifetime risk for chronic hypertension, ischemic heart disease, type 2 diabetes, congestive heart failure, thromboembolic events, and stroke. […] Patients with postpartum preeclampsia are 4 times more likely to suffer from stroke than the average postpartum person. […] Studies have found that those with delayed-onset postpartum preeclampsia are 45% more likely to develop stage 1 or stage 2 hypertension within 1 year after delivery.
  • #113
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8857508/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders but it can develop de novo in the postpartum timeframe. […] New-onset postpartum preeclampsia is an understudied disease entity with few evidence-based guidelines to guide diagnosis and management. […] Older maternal age, black race, and maternal obesity as well as cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Whether postpartum preeclampsia/eclampsia represents a distinct entity from preeclampsia / eclampsia with antepartum-onset is unclear and remains a source of debate. […] We believe further study is needed to determine if new-onset postpartum preeclampsia/eclampsia is a distinct entity from preeclampsia with antepartum-onset; that said, we recommend that this condition be highlighted here and in national/international guidelines as it is under-recognized by providers.
  • #114
    https://pmc.ncbi.nlm.nih.gov/articles/PMC8857508/
    The traditional adage in obstetrics has always been that delivery of the placenta cures preeclampsia, thus the onset of preeclampsia days to weeks after placental delivery raises questions about whether delayed postpartum preeclampsia is a sub-type of antepartum preeclampsia or whether it represents a separate disease entity. […] Overall, it is clear from the limited data that the etiology of postpartum preeclampsia as well as whether it is a subtype of antepartum preeclampsia remain unanswered.
  • #115 Postpartum preeclampsia or eclampsia: defining its place and management among the hypertensive disorders of pregnancy – PubMed
    https://pubmed.ncbi.nlm.nih.gov/35177218/
    High blood pressure in the postpartum period is most commonly seen in women with antenatal hypertensive disorders, but it can develop de novo in the postpartum time frame. […] Older maternal age, black race, maternal obesity, and cesarean delivery are all associated with a higher risk of postpartum preeclampsia. […] Postpartum preeclampsia may be associated with a higher risk of maternal morbidity than preeclampsia with antepartum onset, yet it remains an understudied disease process. […] Future research should focus on the pathophysiology and specific risk factors.
  • #116 Pre-eclampsia | Nature Reviews Disease Primers
    https://www.nature.com/articles/s41572-023-00417-6
    Pre-eclampsia is a life-threatening disease of pregnancy unique to humans and a leading cause of maternal and neonatal morbidity and mortality. […] Despite decades of research, the aetiology of pre-eclampsia, particularly of term and postpartum pre-eclampsia, remains poorly defined. […] Future research must investigate the pathogenesis of pre-eclampsia, in particular of term and postpartum pre-eclampsia, and evaluate new prognostic tests and treatments in adequately powered clinical trials. […] A comprehensive review of our understanding of the aetiology of pre-eclampsia that encompasses both preterm and term physiology.