Sepsa
Etiologia i przyczyny

Sepsa to zagrażający życiu stan wywołany nieprawidłową, nadmierną odpowiedzią immunologiczną na zakażenie, prowadzącą do uszkodzenia tkanek i niewydolności wielonarządowej. Etiologia sepsy jest zróżnicowana, z dominującą rolą bakterii (80% przypadków), w tym Gram-dodatnich (37-52%, głównie Staphylococcus aureus, w tym MRSA) i Gram-ujemnych (44-59%, m.in. Escherichia coli, Klebsiella, Pseudomonas aeruginosa). Sepsa może mieć różne źródła zakażenia, najczęściej układ oddechowy (około 50% przypadków), jama brzuszna (20-40%), układ moczowy (10-30%) oraz skóra i tkanki miękkie (5-10%). W około 42% przypadków posiewy są ujemne, co wskazuje na możliwe infekcje niebakteryjne. Patofizjologia obejmuje uogólnioną odpowiedź zapalną, aktywację receptorów PRRs przez PAMPs i DAMPs, prowadzącą do rozszerzenia naczyń, zaburzeń mikrokrążenia, uszkodzenia śródbłonka i hipoperfuzji narządowej, skutkującej niewydolnością układów oddechowego, krążenia, nerek, wątroby i mózgu.

Etiologia sepsy: przyczyny i mechanizmy rozwoju

Sepsa (sepsa) to zagrażający życiu stan medyczny wywołany nieprawidłową, nadmierną odpowiedzią organizmu na zakażenie. Charakteryzuje się niewłaściwie regulowaną reakcją gospodarza na infekcję, która prowadzi do uszkodzenia tkanek i narządów oraz może skutkować niewydolnością wielonarządową i śmiercią. Sepsa stanowi poważne wyzwanie medyczne, będąc trzecią najczęstszą przyczyną zgonów w szpitalach w Stanach Zjednoczonych, dotykając około 1,7 miliona dorosłych rocznie, z których co najmniej 350 000 umiera.12

Czynniki infekcyjne wywołujące sepsę

Sepsa zawsze rozpoczyna się od pierwotnego zakażenia, które może być wywołane przez różne patogeny. Najczęstszymi czynnikami etiologicznymi sepsy są:123

  • Bakterie (najczęstsza przyczyna, odpowiadająca za 80% przypadków sepsy)
  • Wirusy (w tym COVID-19 i grypa)
  • Grzyby
  • Pasożyty

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W przypadku zakażeń bakteryjnych, przed wprowadzeniem antybiotyków w latach 50. XX wieku, główną przyczyną sepsy były bakterie Gram-dodatnie. Po wprowadzeniu antybiotyków, od lat 60. do 80. XX wieku, dominującą przyczyną stały się bakterie Gram-ujemne. Od lat 80. bakterie Gram-dodatnie, głównie gronkowce, ponownie są odpowiedzialne za ponad 50% przypadków sepsy.12

Najczęstsze bakterie wywołujące sepsę

Wśród bakterii najczęściej wywołujących sepsę znajdują się:12

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U noworodków sepsę mogą powodować specyficzne patogeny, takie jak Escherichia coli, paciorkowce grupy B (GBS), Neisseria meningitidis, Salmonella, Haemophilus influenzae typu b oraz Listeria monocytogenes.12

Warto zauważyć, że mimo powszechności zakażeń bakteryjnych, w około 70% przypadków sepsy nie udaje się zidentyfikować konkretnego drobnoustroju przyczynowego.1 Ponadto, około 42% przypadków sepsy stanowi sepsa z ujemnymi posiewami, co sugeruje, że wielu pacjentów może mieć infekcje niebakteryjne.1

Miejsca źródłowe infekcji prowadzących do sepsy

Zakażenie prowadzące do sepsy może rozpocząć się w dowolnym miejscu w organizmie. Najczęstsze miejsca początkowe infekcji to:123

  • Układ oddechowy (płuca, zapalenie płuc) – najczęstsze źródło, stanowiące około 50% wszystkich przypadków sepsy i 35-50% przypadków wstrząsu septycznego
  • Jama brzuszna i układ pokarmowy (zapalenie wyrostka robaczkowego, zapalenie otrzewnej, infekcje wątroby i dróg żółciowych) – 20-40% przypadków wstrząsu septycznego
  • Układ moczowy (pęcherz moczowy, nerki, drogi moczowe) – 10-30% przypadków wstrząsu septycznego
  • Skóra i tkanki miękkie (rany, oparzenia, infekcje skórne) – 5-10% przypadków wstrząsu septycznego
  • Krwiobieg (bakteriemia)
  • Miejsca cewnikowania
  • Układ rozrodczy (męski i żeński) – 1-5% przypadków wstrząsu septycznego
  • Ośrodkowy układ nerwowy (zapalenie opon mózgowo-rdzeniowych, zapalenie mózgu) – 1-5% przypadków

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U kobiet w ciąży lub w okresie okołoporodowym sepsa może wynikać z zakażenia macicy lub rany po cesarskim cięciu, co stanowi drugą najczęstszą przyczynę śmierci matek w Stanach Zjednoczonych.12

Drogi wnikania drobnoustrojów do organizmu

Patogeny mogą dostać się do organizmu różnymi drogami:1

  • Bezpośrednie wprowadzenie mikroorganizmów do organizmu (np. w zakażeniach skóry, tkanek miękkich lub zakażeniach krwi związanych z cewnikami żylnymi)
  • Droga wziewna w przypadku zakażeń układu oddechowego
  • Aspiracja treści ustnej/żołądkowej
  • Wstępujące zakażenie układu moczowego
  • Przewód pokarmowy (pęknięcie lub przedostanie się mikroorganizmów przez barierę śluzówkową)
  • Inne powierzchnie śluzowe (spojówka, górne drogi oddechowe, układ moczowo-płciowy)
  • Zewnętrzne wektory przenoszące choroby (np. stawonogi)

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Istotne jest, że w przypadku sepsy nabytej w środowisku szpitalnym, źródłami zakażenia mogą być procedury inwazyjne (np. operacje, cewnikowanie), gdzie bakterie mogą zostać wprowadzone bezpośrednio do krwiobiegu. Badania wykazały, że około 70-80% przypadków ciężkiej sepsy u dorosłych występuje u osób, które były już hospitalizowane z innych powodów.12

Patofizjologia sepsy

Patofizjologia sepsy jest złożona i wynika z efektów krążących produktów bakteryjnych oraz niekontrolowanej odpowiedzi immunologicznej gospodarza na zakażenie. Kluczowym elementem rozwoju sepsy jest przejście od miejscowej reakcji zapalnej do uogólnionej odpowiedzi ustrojowej.12

Mechanizmy inicjujące odpowiedź septyczną

Proces rozwoju sepsy rozpoczyna się, gdy organizm wykrywa specyficzne wzorce molekularne związane z patogenami (PAMPs) lub wewnętrzne sygnały niebezpieczeństwa (DAMPs) uwalniane podczas uszkodzenia tkanek:1

  • Bakterie Gram-ujemne – sepsa wywoływana przez te bakterie jest głównie związana z odpowiedzią organizmu na składnik lipidu A lipopolisacharydu (LPS), zwanego również endotoksyną
  • Bakterie Gram-dodatnie – sepsa może wynikać z odpowiedzi immunologicznej na kwas lipotejchojowy ściany komórkowej
  • Czynniki wirulencji bakteryjnej – takie jak glikokaliks i różne adhezyny, umożliwiają kolonizację, unikanie odpowiedzi immunologicznej i rozwój choroby w organizmie gospodarza

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Rozmnażający się patogen uwalnia składniki mikrobiologiczne, które są rozpoznawane przez receptory rozpoznające wzorce (PRRs) na komórkach układu odpornościowego. Aktywacja tych receptorów inicjuje kaskadę reakcji zapalnych.1

Odpowiedź ustrojowa i dysregulacja układu odpornościowego

W przebiegu sepsy dochodzi do niezrównoważonej i nadmiernej odpowiedzi immunologicznej:12

  • Uogólniony stan zapalny – w sepsie reakcja zapalna nie jest ograniczona do miejsca zakażenia, ale rozprzestrzenia się na cały organizm
  • Równoległa aktywacja odpowiedzi pro- i przeciwzapalnej – charakter odpowiedzi gospodarza zależy od czynników patogenu (obciążenie, zjadliwość) oraz czynników gospodarza (środowisko, genetyka, wiek, współistniejące choroby, przyjmowane leki)
  • Dwufazowy przebieg – tradycyjnie sepsę postrzegano jako nadmierną ogólnoustrojową reakcję prozapalną na zakażenie. Obecnie uważa się, że wczesna faza nadmiernego stanu zapalnego nakłada się lub jest następowana przez przedłużony stan immunosupresji, określany jako immunoparaliż wywołany sepsą

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W przebiegu sepsy bakteryjnej obserwuje się szczególnie nasilone zmiany patogenetyczne w szlaku limfocytów Th1 w porównaniu do sepsy wirusowej (np. związanej z COVID-19).12

Konsekwencje ustrojowe i uszkodzenie narządów

Uogólniona odpowiedź zapalna w przebiegu sepsy prowadzi do szeregu patologicznych zmian w organizmie:12

  • Rozszerzenie naczyń krwionośnych – układowa odpowiedź powoduje rozszerzenie wszystkich naczyń krwionośnych, prowadząc do spadku ciśnienia tętniczego
  • Zaburzenia mikrokrążenia – powstawanie zakrzepów, przeciek naczyniowy i zmniejszony przepływ krwi
  • Uszkodzenie śródbłonka naczyniowego – upośledzenie funkcji barierowej
  • Hipoperfuzja narządowa – ograniczenie dostarczania tlenu do narządów i tkanek
  • Stres oksydacyjny – uszkodzenie wywołane przez proces zapalny wynika w dużej mierze z utleniania, gdy produkcja utleniaczy przewyższa endogenne mechanizmy antyoksydacyjne organizmu

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Konsekwencją tych procesów jest postępująca niewydolność fizjologiczna kilku współzależnych układów narządów.1 Najczęściej uszkadzane układy w przebiegu sepsy to:12

  • Układ oddechowy – najczęściej zajęty układ w sepsie i najczęstszy system ulegający niewydolności
  • Układ krążenia – spadek ciśnienia tętniczego, zaburzenia rytmu serca, niewydolność serca
  • Nerki – ostre uszkodzenie nerek związane z sepsą (sepsis-associated AKI)
  • Układ pokarmowy – dysfunkcja przewodu pokarmowego związana z wysoką śmiertelnością
  • Wątroba – zaburzenia funkcji wątroby
  • Mózgencefalopatia septyczna

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Czynniki ryzyka sepsy

Chociaż sepsa może wystąpić u każdego, pewne czynniki zwiększają ryzyko jej rozwoju. Najważniejsze czynniki ryzyka można podzielić na kilka kategorii.12

Czynniki demograficzne i osobnicze

Wiek stanowi istotny czynnik ryzyka rozwoju sepsy:12

  • Niemowlęta i dzieci poniżej 1 roku życia – ze względu na niedojrzały układ odpornościowy
  • Osoby starsze (powyżej 65 roku życia) – z powodu osłabionej odporności i częstszego występowania chorób przewlekłych
  • Kobiety w ciąży – ze względu na fizjologiczne osłabienie układu odpornościowego

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Choroby współistniejące i stany medyczne

Osoby z określonymi schorzeniami podstawowymi mają zwiększone ryzyko rozwoju sepsy:12

  • Cukrzyca
  • Nowotwory – szczególnie pacjenci poddawani chemioterapii
  • Przewlekłe choroby wątroby (marskość)
  • Przewlekła choroba nerek
  • Choroby płuc
  • Zaburzenia odporności – w tym HIV/AIDS lub stosowanie leków immunosupresyjnych
  • Zaburzenia związane z alkoholem
  • Niedożywienie

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Czynniki jatrogenne i związane z opieką medyczną

Interwencje medyczne mogą zwiększać ryzyko sepsy:12

  • Urządzenia inwazyjne – cewniki dożylne, cewniki moczowe, rurki intubacyjne
  • Niedawna operacja – szczególnie w obrębie jamy brzusznej
  • Długotrwała hospitalizacja – zwłaszcza na oddziałach intensywnej terapii
  • Poprzednie leczenie antybiotykami – zwiększające ryzyko infekcji lekoopornymi bakteriami
  • Stosowanie kortykosteroidów – osłabiających odpowiedź immunologiczną
  • Wentylacja mechaniczna

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Czynniki związane z zakażeniem

Cechy zakażenia mogą wpływać na prawdopodobieństwo rozwoju sepsy:12

  • Lokalizacja zakażenia – prawdopodobieństwo, że zakażenie miejscowe przejdzie w sepsę, różni się w zależności od jego źródła i lokalizacji
  • Rodzaj patogenu – niektóre mikroorganizmy są bardziej wirulentne i częściej prowadzą do sepsy
  • Lekooporność patogenów – oporność na antybiotyki jest głównym czynnikiem determinującym kliniczną odpowiedź na leczenie i szybką progresję do sepsy i wstrząsu septycznego
  • Opóźnione rozpoznanie lub leczenie zakażenia – zwiększa ryzyko rozwoju sepsy

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Warto podkreślić, że do rozwoju sepsy potrzebne jest nie tylko zakażenie, ale również wcześniej istniejąca podatność. Jak wykazują badania, zakażenia wywołujące sepsę są najczęściej powodowane przez bakterie będące częścią normalnej flory bakteryjnej, co sugeruje, że sepsa jest najłatwiej wywoływana u osób z osłabionymi mechanizmami obronnymi przeciwko drobnoustrojom.12

Sepsa a specyficzne grupy pacjentów

Niektóre grupy pacjentów charakteryzują się odmiennym przebiegiem sepsy lub specyficznymi czynnikami etiologicznymi.1

Sepsa noworodkowa

Sepsa noworodkowa ma unikalne cechy etiologiczne:1

  • Drogi zakażenia:
    • Wczesna sepsa noworodkowa (w ciągu 24-48 godzin po urodzeniu) – zakażenie od matki przed lub podczas porodu
    • Późna sepsa noworodkowa – zakażenie po porodzie, często związane z długotrwałym pobytem w szpitalu lub cewnikowaniem naczyń
  • Czynniki ryzyka wczesnej sepsy noworodkowej:
    • Kolonizacja paciorkowcami grupy B u matki w czasie ciąży
    • Przedwczesny poród
    • Przedwczesne pęknięcie błon płodowych (ponad 18 godzin przed porodem)
    • Zapalenie błon płodowych i płynu owodniowego (chorioamnionitis)

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Sepsa macierzyńska

Sepsa macierzyńska to sepsa występująca podczas ciąży lub w okresie okołoporodowym:12

  • Przyczyny:
    • Zakażenie rany po cesarskim cięciu
    • Zakażenie macicy podczas ciąży lub po porodzie
    • Zapalenie sutka (jednego lub obu piersi)
    • Poronienie
    • Przedwczesny poród
    • Pęknięcie błon płodowych z powodu przedłużonego lub utrudnionego porodu
    • Niesterylna aborcja
    • Poród martwy
    • Ciąża mnoga
    • Zapalenie płuc, angina paciorkowcowa, zakażenie układu moczowego
  • Czynniki zwiększające ryzyko:
    • Ciąża mnoga
    • Cukrzyca i inne choroby przewlekłe
    • Zapalenie sutka
    • Zapłodnienie in vitro
    • Amniocenteza
    • Biopsja kosmówki (CVS)

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Sepsa u pacjentów onkologicznych

Pacjenci z chorobą nowotworową są szczególnie narażeni na sepsę:1

  • Diagnoza nowotworowa i niektóre leczenie, jak chemioterapia, osłabiają układ odpornościowy, utrudniając organizmowi walkę z infekcjami
  • Zwiększa to ryzyko wystąpienia sepsy u pacjentów onkologicznych
  • Sepsa może prowadzić do wstrząsu, niewydolności narządów, a nawet śmierci

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Sepsa w domach opieki

Osoby starsze przebywające w domach opieki są szczególnie narażone na rozwój sepsy:12

  • Główne przyczyny sepsy w domach opieki:
    • Nieadekwatna kontrola i zapobieganie zakażeniom
    • Opóźnione wykrycie i diagnoza
    • Niewłaściwie leczone stany medyczne i zakażenia
    • Niewystarczająca liczba personelu
    • Niewłaściwe praktyki pielęgnacji ran
  • Czynniki ryzyka:
    • Zła higiena prowadząca do innych chorób lub zakażeń
    • Problemy z sanitacją
    • Nieleczone odleżyny, które są bramą dla zarazków

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Sepsa pozazakaźemowa

Chociaż większość przypadków sepsy jest spowodowana zakażeniami, coraz częściej uznaje się, że niektóre formy sepsy mogą być wywołane przez czynniki nieinfekujące.12

Czynniki nieinfekujące wywołujące sepsę

Czynniki nieinfekujące mogą prowadzić do sepsy, ponieważ mogą aktywować odpowiedź immunologiczną organizmu podobnie jak zakażenia:1

  • Urazy traumatyczne – poważne obrażenia mogą wywoływać silne reakcje immunologiczne, prowadząc do sepsy
  • Urazy oparzeniowe – rozległe oparzenia mogą inicjować reakcję podobną do sepsy
  • Powikłania pooperacyjne – niezwiązane z zakażeniem
  • Ostre zapalenie trzustki – sterylna forma zapalenia może prowadzić do odpowiedzi podobnej do sepsy
  • Martwica tkanek – uwalniająca wewnętrzne wzorce molekularne związane z uszkodzeniem (DAMPs)

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Te nieinfekujące bodźce mogą aktywować podobne szlaki zapalne jak patogeny, prowadząc do ogólnoustrojowej odpowiedzi zapalnej i potencjalnie do uszkodzenia narządów charakterystycznego dla sepsy.1

Zaraźliwość sepsy

Istotne jest wyjaśnienie, że sama sepsa nie jest zaraźliwa i nie można jej rozprzestrzenić na inne osoby.12 Jednak:

  • Zakażenia, które mogą prowadzić do sepsy, mogą być zaraźliwe
  • Nie można „złapać” samej sepsy od innej osoby
  • Sepsa występuje, gdy organizm nadmiernie reaguje na zakażenie, uszkadzając własne tkanki i narządy

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Dlatego mimo że sepsa sama w sobie nie jest zaraźliwa, zakażenia, które ją powodują, mogą się rozprzestrzeniać, zwiększając ryzyko wystąpienia sepsy u podatnych osób.1

Implikacje etiologii dla rozpoznania i leczenia sepsy

Zrozumienie etiologii sepsy ma kluczowe znaczenie dla jej skutecznego rozpoznania i leczenia:12

  • Wyzwania diagnostyczne:
    • Różnorodność czynników etiologicznych utrudnia diagnozę
    • Brak pojedynczego testu identyfikującego sepsę
    • W około 50% przypadków nie udaje się określić źródła zakażenia (sepsa z ujemnymi posiewami)
  • Znaczenie wczesnego rozpoznania:
    • Opóźnienie diagnozy to główna przyczyna niekorzystnych wyników leczenia
    • Wczesne rozpoznanie zwiększa szanse na pełne wyzdrowienie
  • Implikacje dla leczenia:
    • Antybiotykoterapia empiryczna powinna uwzględniać najczęstsze patogeny w danym środowisku
    • Wytyczne Surviving Sepsis zalecają podanie antybiotyków w ciągu pierwszej godziny u pacjentów we wstrząsie septycznym
    • Kontrola źródła zakażenia (usunięcie zakażonych tkanek, drenaż ropni) jest kluczowym elementem leczenia
    • W przypadku sepsy wirusowej, terapia przeciwwirusowa powinna być wdrożona jak najszybciej
  • Następstwa długoterminowe:
    • Około 50% pacjentów, którzy przeżyli sepsę, doświadcza zespołu posepsyjnego (PSS)
    • Częstsze występowanie u starszych pacjentów i osób z chorobami przewlekłymi
    • Sepsa może powodować choroby i śmierć na wiele sposobów, nawet po opanowaniu pierwotnego zakażenia i ogólnoustrojowego stanu zapalnego

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Badania i dane kliniczne potwierdzają, że posiadanie dedykowanych zespołów i przestrzeganie formalnych wytycznych dotyczących badań przesiewowych i reagowania na sepsę może drastycznie poprawić wyniki leczenia. Według CDC, 73% szpitali posiada komisję ds. sepsy, ale tylko 55% szpitali zapewnia dedykowany czas dla liderów programów sepsy, aby skupić się na protokole sepsy w swoich placówkach.1

Zrozumienie złożonej etiologii sepsy pozostaje kluczowym wyzwaniem w medycynie, a dalsze badania w tym zakresie są niezbędne do opracowania skuteczniejszych strategii diagnostycznych i terapeutycznych.1

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  1. 09.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 Sepsis | National Institute of General Medical Sciences
    https://www.nigms.nih.gov/education/fact-sheets/Pages/sepsis.aspx
    Sepsis is a persons overwhelming or impaired whole-body immune response to an insultan infection or an injury to the body, or something else that provokes such a response. […] Sepsis is a serious condition and a leading cause of death in hospitals. Each year, according to the Centers for Disease Control and Prevention (CDC), at least 1.7 million adults in the U.S. develop sepsis, and at least 350,000 die as a result. […] Unfortunately, theres no specific treatment protocol for sepsis other than supportive care for the health problems resulting from sepsis and therapy to fight infectious agents that may be the underlying cause. […] Bacterial infections cause most cases of sepsis. However, viral infections, such as COVID-19 or influenza; fungal infections; or noninfectious insults, such as traumatic injury, can also cause sepsis.
  • #1 Sepsis – Wikipedia
    https://en.wikipedia.org/wiki/Sepsis
    Sepsis is caused by many organisms including bacteria, viruses, and fungi. […] Infections leading to sepsis are usually bacterial but may be fungal, parasitic, or viral. […] Gram-positive bacteria were the primary cause of sepsis before the introduction of antibiotics in the 1950s. […] After the introduction of antibiotics, gram-negative bacteria became the predominant cause of sepsis from the 1960s to the 1980s. […] After the 1980s, gram-positive bacteria, most commonly staphylococci, are thought to cause more than 50% of cases of sepsis. […] Other commonly implicated bacteria include Streptococcus pyogenes, Escherichia coli, Pseudomonas aeruginosa, and Klebsiella species. […] The most common sites of infection resulting in severe sepsis are the lungs, the abdomen, and the urinary tract.
  • #1 Pediatric Sepsis: Causes, Symptoms and Treatment | Renown Health
    https://www.renown.org/blog/pediatric-sepsis-causes-symptoms-and-treatment
    Bacterial infections are the most common cause of pediatric sepsis, accounting for over 80% of cases. […] Common Bacterial Causes: Staphylococcus infections (including Methicillin Resistant Staphylococcus Aureas – MRSA), Streptococcal infections (including those causing pneumonia and group B strep), Escherichia coli, or more commonly; E. coli, Klebsiella and Pseudomonas infections. […] Viral Infection Causes: Respiratory syncytial virus (RSV), Influenza, Parainfluenza, Adenovirus, Human metapneumovirus, Coronaviruses (including COVID-19). […] Other Causes: Fungal infections (but are relatively rare), Parasites, such as Giardia lamblia.
  • #1 Sepsis Symptoms and Treatment
    https://www.webmd.com/a-to-z-guides/sepsis-septicemia-blood-infection
    Sepsis is usually caused by bacteria, but it can also be caused by viruses and fungi. […] Common infections that cause sepsis are: pneumonia, urinary tract infections, infection in your appendix (appendicitis), abdominal infection, infections of the liver or gallbladder, brain or spinal cord infections. […] For most people, a bacterial infection causes sepsis. […] Staphylococcus aureus (S. aureus), Streptococcus pyogenes (S. pyogenes), Klebsiella spp., Escherichia coli (E. coli), and Pseudomonas aeruginosa (P. aeruginosa) all cause sepsis.
  • #1 Etiology – Pharmacy & Acute Care University
    https://pharmacyacute.com/topic/etiology/
    The causative organisms in sepsis vary: Gram-negative bacteria (44-59%), Gram-positive bacteria (37-52%), Anaerobic organisms (5%), Fungi (4-10%). However, in approximately 70% of cases, a specific causal microorganism is not documented. Common sources of infection include the lungs, intra-abdominal space, and genitourinary tract.
  • #1 Azthena logo with the word Azthena
    https://www.news-medical.net/health/Causes-and-Symptoms-of-Sepsis-in-Newborns.aspx
    The primary sepsis infection is usually bacterial in nature, but in rare cases it could also be due to a viral or fungal infection. It is nearly always passed on from the pregnant mother to the baby, however it can (less commonly) be picked up by from immediate environment. […] Bacteria that are known to cause sepsis in newborns include E.coli, group B Streptococcus, Neisseria meningitidis, Salmonella, Haemophilus influenzae type b, and Listeria monocytogenes. The Herpes Simplex virus family may also cause the infection. An existing medical condition may also trigger sepsis. […] Sepsis can be caused by bacterial, viral or fungal infection. However the majority of sepsis cases on record are caused by pneumonia, abdominal infection, kidney infection, and bacteremia or bloodstream infections.
  • #1
    https://journals.lww.com/eccm/fulltext/2024/06000/research_progress_of_viral_sepsis__etiology,.5.aspx
    Sepsis is a common systemic disease characterized by various physiological and pathological disorders. It can result from infection by various pathogens, such as bacteria, viruses, and fungi. The rate of culture-negative sepsis is almost 42%, indicating that most patients may have nonbacterial infections. […] Viral sepsis can be caused by viral infections and combined with, or secondary to, bacterial infections. […] A study found that 61% of patients admitted with viral sepsis were diagnosed with pure viral community-acquired pneumonia according to the Sepsis-3 criteria. […] Influenza virus infections are often associated with Streptococcus pneumoniae and Staphylococcus aureus. The cytomegalovirus, Epstein-Barr virus, and other viruses may be reactivated after bacterial sepsis. […] The specific pathogenesis of sepsis is unclear, but some consensus suggests that the balance between the systemic inflammatory response syndrome and compensatory anti-inflammatory response syndrome is disrupted in sepsis.
  • #1 Sepsis: Symptoms, Causes, Treatment & Prevention
    https://my.clevelandclinic.org/health/diseases/12361-sepsis
    Sepsis is a life-threatening medical emergency caused by your body’s overwhelming response to an infection. Without urgent treatment, it can lead to tissue damage, organ failure and death. […] Bacterial infections are one of the most common causes of sepsis. Fungal, parasitic and viral infections are also potential sepsis causes. You can get sepsis when an infection triggers a chain reaction throughout your body causing organ dysfunction. […] The infection leading to sepsis can start in many different parts of the body. Common sites and types of infections that can lead to sepsis include: […] Sepsis itself isn’t contagious you can’t spread it to other people. But you can spread the infections that can cause sepsis.
  • #1 Septic Shock: Practice Essentials, Background, Pathophysiology
    https://emedicine.medscape.com/article/168402-overview
    Respiratory tract and abdominal infections are the most frequent causes of sepsis, followed by urinary tract and soft-tissue infections. […] Lower respiratory tract infections cause septic shock in 35-50% of patients. […] Abdominal and GI tract infections cause septic shock in 20-40% of patients. […] Urinary tract infections cause septic shock in 10-30% of patients. […] Infections of the male and female reproductive systems cause septic shock in 1-5% of patients. […] Soft-tissue infections cause septic shock in 5-10% of patients. […] Infections due to foreign bodies cause septic shock in 1-5% of patients. […] Miscellaneous infections, such as CNS infections, also cause septic shock in 1-5% of patients.
  • #1 Maternal Sepsis – End Sepsis
    https://www.endsepsis.org/what-is-sepsis/maternal-sepsis/
    Sepsis is the bodys extreme reaction to infectionthe body attacks its own organs and tissues, which can lead to tissue damage, organ failure, and death. […] Maternal sepsis usually occurs due to a severe bacterial infection of the uterus during pregnancy or immediately after childbirth, and is a leading cause of maternal death and morbidity. Maternal sepsis is the second leading cause of maternal death in the United States. It is also prevalent in developing countries, despite being highly preventable. […] Maternal sepsis usually occurs when a C-section incision, tear or other wound from childbirth becomes infected in the days or weeks after giving birth. However, any kind of infection during pregnancy or after childbirth such as pneumonia, strep throat, and urinary tract infections can lead to sepsis.
  • #1 Bacterial Sepsis: Practice Essentials, Background, Etiology
    https://emedicine.medscape.com/article/234587-overview
    Organisms can be introduced via various mechanisms, including direct inoculation of microbes into the body or body site, such as in skin or soft tissue infections or bloodstream infections associated with indwelling venous catheters. Inhalational acquisition is a mode of infection in the setting of respiratory infection, as is aspiration of oral/gastric content. Ascending urinary tract infection can cause systemic infection. The gastrointestinal tract also can be a source of infection if contents macroscopically rupture or seed the intra-abdominal compartment or if organisms translocate through the mucosal barrier. Other mucosal surfaces can serve as entry points, including the conjunctiva, the upper respiratory tract, and the genitourinary tract. External disease-transmitting vectors, such as arthropods, also can cause infection. […] The pathophysiology of sepsis is complex and results from the effects of circulating bacterial products, mediated by cytokine release, caused by sustained bacteremia. Cytokines are responsible for the clinically observable effects of bacteremia in the host.
  • #1 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    To develop sepsis, a microbial infection is necessary but not sufficient: it appears that a patient also needs a pre-existing susceptibility. […] These surveys found that approximately 70% to 80% of the cases of severe sepsis in adults occurred in individuals who were already hospitalized for other reasons (Munford Suffredini, 2009). […] Sepsis has been shown to develop when the innate immune response becomes amplified and dysfunctional, leading to an imbalance between pro-inflammatory and anti-inflammatory responses. […] Traditionally, sepsis was viewed as an excessive systemic pro-inflammatory reaction to an infection. […] More recently it has been proposed that the early phase of hyper-inflammation is followed or overlapped by a prolonged state of immunosuppression, referred to as sepsis-induced immunoparalysis.
  • #1 Bacterial Sepsis – StatPearls – NCBI Bookshelf
    https://www.ncbi.nlm.nih.gov/books/NBK537054/
    Bacterial sepsis is a life-threatening condition that arises when the body’s response to an infection injures its tissues and organs. […] Sepsis is caused by conditions that threaten the functional integrity of the host, such as microbial invasion. […] The inflammatory response that leads to clinical syndromes such as sepsis is triggered by conditions that threaten the functional integrity of the host, in this case, microbial invasion. […] Both pro-inflammatory responses and anti-inflammatory responses characterize the host response. […] The extent of this process depends entirely on both pathogen factors (load, virulence, and pathogen-associated molecular pattern) and host factors (environment, genetics, age, other illnesses, and medications). […] Sepsis is differentiated from infection by a dysregulated host response and the presence of end-organ dysfunction.
  • #1 Pathophysiology of sepsis – UpToDate
    https://www.uptodate.com/contents/pathophysiology-of-sepsis
    The normal host response to infection is a complex process that localizes and controls bacterial invasion while initiating the repair of injured tissue. […] Sepsis results when the response to infection becomes generalized and involves normal tissues remote from the site of injury or infection. […] Causative pathogen replicates and releases microbial components such as endotoxins, exotoxins, and DNA that are designated pathogen-associated molecular patterns (PAMPs). […] PRRs can also recognize endogenous danger signals, so-called alarmins or danger-associated molecular patterns (DAMPs) that are released during the inflammatory insult.
  • #1 Sepsis – Wikipedia
    https://en.wikipedia.org/wiki/Sepsis
    Typically, 50% of all sepsis cases start as an infection in the lungs. […] Sepsis is caused by a combination of factors related to the particular invading pathogen(s) and the status of the immune system of the host. […] Sepsis also causes similar response to SIRS. […] Bacterial virulence factors, such as glycocalyx and various adhesins, allow colonization, immune evasion, and establishment of disease in the host. […] Sepsis caused by gram-negative bacteria is thought to be largely due to a response by the host to the lipid A component of lipopolysaccharide, also called endotoxin. […] Sepsis caused by gram-positive bacteria may result from an immunological response to cell wall lipoteichoic acid. […] Other immunological responses related to microbial infections, such as NETs, can also play a role or be observed in sepsis.
  • #1 Bacterial sepsis causes more dramatic pathogenetic changes in the Th1 pathway than does viral (COVID-19) sepsis: a prospective observational study of whole blood transcriptomes | Virology Journal | Full Text
    https://virologyj.biomedcentral.com/articles/10.1186/s12985-024-02451-6
    This study aimed to comprehensively compare host responses of patients with bacterial sepsis and those with viral (COVID-19) sepsis by analyzing messenger RNA (mRNA) and microRNA (miRNA) profiles to shed light on their distinct pathophysiological mechanisms. […] Bacterial sepsis patients showed activation of the PD-1 and PD-L1 cancer immunotherapy signaling pathway and concurrent suppression of Th1 signaling. […] Our study illuminated distinct molecular variances between bacterial sepsis and viral (COVID-19) sepsis. Bacterial sepsis patients had a greater number of upregulated and downregulated genes and pathways compared to viral (COVID-19) sepsis patients. Especially, bacterial sepsis caused more dramatic pathogenetic changes in the Th1 pathway than did viral (COVID-19) sepsis. […] The most common source of bacterial sepsis was the respiratory system (68.2%), followed by abdomen (4.5%), urinary tract (9.1%), soft tissue (9.1%), and others (9.1%).
  • #1 Why Sepsis Causes Low Blood Pressure? – ApolloMD
    https://apollomd.com/glossary/why-sepsis-causes-low-blood-pressure/
    Sepsis, when severe, can lead to septic shock and death. […] One reason is bacterial infections which cause systemic reactions in the body also cause our immune system to release cytokines to fight the infection. […] However, in sepsis, the response involves the entire body with inflammation essentially occurring everywhere. […] With systemic response, all blood vessels dilate causing the blood pressure to drop. […] Instead of assisting in fighting the infection, the bodys response to sepsis actually slows down blood flow making our immune system less effective. […] The bacteria can damage vital organs and lack of blood flow can spark organ failure. […] Organ failure and low blood pressure are the two biggest dangers for severe sepsis and septic shock, making it a fatal condition for up to 40-50% of patients.
  • #1 Bacterial Sepsis – StatPearls – NCBI Bookshelf
    https://www.ncbi.nlm.nih.gov/books/NBK537054/
    The damage inflicted by the inflammatory process is largely due to oxidation, where the production of oxidants overwhelms the body’s endogenous antioxidant defenses. […] Sepsis and its sequelae represent a continuum of clinical and pathophysiologic severity, resulting in progressive physiologic failure of several inter-dependent organ systems.
  • #1 Sepsis and Septic Shock – Critical Care Medicine – Merck Manual Professional Edition
    https://www.merckmanuals.com/professional/critical-care-medicine/sepsis-and-septic-shock/sepsis-and-septic-shock
    The source of infection should be controlled as early as possible. IV and urinary catheters and endotracheal tubes should be removed if possible or changed. Abscesses must be drained, and necrotic and devitalized tissues must be surgically excised. […] An important component is critical reduction in tissue perfusion, which can lead to acute failure of multiple organs, including the lungs, kidneys, and liver.
  • #1 Risk Factors | Sepsis Alliance
    https://www.sepsis.org/sepsis-basics/risk-factors/
    What are the risk factors for sepsis and septic shock? The obvious risk factor is an infection. Any infection, from the tiniest source (a bug bite, a hangnail, etc.) to the more severe (pneumonia, meningitis, and more), can trigger sepsis, which can lead to severe sepsis and septic shock. The infection can be bacterial, viral, fungal, or parasitic. But some people do have a higher risk of developing infections and sepsis than others. […] Those at the highest risk of developing sepsis include the very young and the very old (infants and seniors), as well as people with chronic or serious illnesses, such as diabetes and cancer, and those who have an impaired immune system. People who are malnourished can also contract infections more easily.
  • #1 Sepsis | National Institute of General Medical Sciences
    https://www.nigms.nih.gov/education/fact-sheets/Pages/sepsis.aspx
    Noninfectious insults can lead to sepsis because they can activate the bodys immune responses just like infections do. […] The people at highest risk of sepsis are infants, children, older adults, and vulnerable people who have underlying medical problems, have concurrent injuries or surgeries, or are taking certain medications. […] Sepsis is difficult to treat for many reasons, including differences in patient physiology and the many possible underlying causes of the disease. […] Sepsis can cause illness and death in many ways, even after the underlying trauma or infection and widespread inflammation are under control.
  • #1 Sepsis | NHS inform
    https://www.nhsinform.scot/illnesses-and-conditions/blood-and-lymph/sepsis/
    Infections linked to sepsis include appendicitis, cellulitis, cholangitis, cholecystitis, encephalitis, endocarditis, flu, meningitis, peritonitis, pneumonia, post-surgery infections, osteomyelitis, and urinary tract infection. […] Anyone can develop sepsis after an injury or minor infection. However, some people are more vulnerable, including people who are very young, very old, pregnant, have had a urinary catheter fitted, have a long term health condition like diabetes, have recently had surgery, are genetically prone to infections, are already in hospital with a serious illness, have to stay in hospital for a long time, have wounds or injuries as a result of an accident, have a medical condition that weakens the immune system like HIV or leukaemia, are receiving medical treatment that weakens the immune system like chemotherapy or long-term steroids, or are on mechanical ventilation where a machine is used to help you breathe.
  • #1 Sepsis – Knowledge @ AMBOSS
    https://www.amboss.com/us/knowledge/sepsis/
    Sepsis is an acute life-threatening condition characterized by organ dysfunction due to a dysregulated immune response to infection. […] The precipitating infection is often bacterial, typically originating in the respiratory, genitourinary, or gastrointestinal systems or in the skin or soft tissue. […] Common sources of sepsis: […] Respiratory: pneumonia (most common cause of sepsis) […] Pathogens […] Bacterial: gram-positive bacteria (most common in the US); gram-negative bacteria. […] Common risk factors […] Primary comorbidities (diabetes mellitus, cirrhosis, community acquired pneumonia, bacteremia, alcohol use disorder). […] Implanted devices are an important risk factor and a common source of infection.
  • #1 Septic Shock: Causes, Signs, Diagnosis
    https://www.verywellhealth.com/sepsis-and-septic-shock-3156848
    It is important to remember that not all infections will become sepsis. Even fewer will progress to septic shock. […] Infection is the primary risk factor for septic shock, and anyone can get one. That said, the following people are at greater risk: Adults ages 65 or older; Children under age 1; People who have had sepsis before; People with weakened immune systems. […] Chronic medical conditions that weaken the immune system, and thus increase your risk of sepsis, include: Diabetes; Cancer; Lung disease; Kidney disease. […] Pneumonia, UTIs, and many other infections (even minor ones) can lead to sepsis and septic shock.
  • #1 What Causes Sepsis? – Baptist Health
    https://www.baptisthealth.com/blog/family-health/what-causes-sepsis
    Many people are surprised to learn that the leading cause of death in U.S. hospitals is a condition called sepsis. […] Its important to know any infection, from the tiniest source (bug bite or hangnail) to more severe infections, such as pneumonia and meningitis can trigger a response that can lead to sepsis, severe sepsis, and septic shock. The infection can be bacterial, viral, fungal, or parasitic. […] Sometimes called septicemia, the condition can produce clotting that reduces blood flow to various areas of the body and can quickly impact the limbs, lungs, kidneys, and liver. […] Anyone can develop sepsis. However, these factors increase your risk: A compromised immune system, A wound or injury such as a cut or burn, A significant health challenge that causes you to be in the hospitals intensive care unit, Age (very old or very young), An invasive device such as a breathing tube or intravenous catheter.
  • #1
    https://www.wake-smith.co.uk/advice-centre/medical-negligence/hospital-negligence/sepsis/hospital-acquired-sepsis-guide
    Hospital-acquired sepsis is a form of septic infection that develops when a patient is in hospital, often developed if an infection wasnt treated quickly enough or signs of infection were ignored or missed – leading to sepsis. […] Sepsis, also known as septicaemia, occurs when an acquired infection causes a chain reaction throughout the body. This is usually when a bacterial infection – in the skin or lungs, for example – enters the bloodstream, at which point toxins are carried throughout the entire body. There are several different ways sepsis can develop in hospitals. Here are some examples: The failure to diagnose and treat an infection quickly enough – such as a wound infection, can result in a deterioration into sepsis. […] If a patient suffering from an infection has not been provided with a sufficient course of antibiotic medication, this can sometimes lead to the development of sepsis.
  • #1 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    Sepsis does not arise on its own. It stems from another medical condition, such as an infection in the lungs, urinary tract, skin, abdomen (eg, appendicitis) or other part of the body. Invasive medical procedures like the insertion of a vascular catheter can introduce bacteria into the bloodstream and bring on the condition (NIGMS, 2013). […] Many different types of microbes can cause sepsis, including bacteria, fungi, and viruses, but bacteria are the most common culprits. Severe cases often result from a body-wide infection that spreads through the bloodstream, but sepsis can also stem from a localized infection (NIGMS, 2013). […] The causative organisms for sepsis have evolved over many years. Originally sepsis was described as a disease specifically related to Gram-negative bacteria.
  • #1
    https://www.who.int/news-room/fact-sheets/detail/sepsis
    Sepsis is usually caused by bacterial infections but may be the result of other infections such as viruses, parasites or fungi. […] Sepsis acquired in health care settings is one of the most frequent adverse events during care delivery and affect hundreds of millions of patients worldwide every year. […] Antimicrobial resistance is a major factor determining clinical unresponsiveness to treatment and rapid evolution to sepsis and septic shock. […] Sepsis is a significant cause of maternal, neonatal and child mortality. […] Sepsis can also ultimately lead to death in patients affected by HIV, tuberculosis, malaria, and other infectious diseases that are included in target 3.3. […] Sepsis is always a serious condition but people living with HIV, tuberculosis, malaria and other infectious diseases are at higher risk.
  • #1 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    It is now recognized that sepsis can be caused by any bacteria, as well as from fungal and viral organisms. […] More recent epidemiology studies show that Gram-positive organisms superseded Gram-negatives in the early to mid-1980s as the most common cause of sepsis in the United States. […] While bacterial causes of sepsis have increased, fungal causes of sepsis have grown at an even more rapid pace. […] The likelihood that a local infection will progress to sepsis varies according to its source and location. […] This difference indicates that other factors, beyond the type of tissue and the kind of microbe, are involved in the development of sepsis. […] One clue is the source of the bacteria that most commonly cause sepsis. […] The fact that normal flora bacteria are also the most common causes of sepsis suggests that sepsis is most readily triggered in people who have weakened antimicrobial defenses.
  • #1 Neonatal sepsis: MedlinePlus Medical EncyclopediaLock
    https://medlineplus.gov/ency/article/007303.htm
    Neonatal sepsis can be caused by bacteria such as Escherichia coli (E coli), Listeria, and some strains of streptococcus. Group B streptococcus (GBS) has been a major cause of neonatal sepsis. However, this problem has become less common because women are screened for GBS during pregnancy. The herpes simplex virus (HSV) can also cause a severe infection in a newborn baby. This happens most often when the mother is newly infected with HSV. […] Early-onset neonatal sepsis most often appears within 24 to 48 hours of birth. The baby gets the infection from the mother before or during delivery. The following increase an infant’s risk of early-onset bacterial sepsis: GBS colonization during pregnancy, Preterm delivery, Water breaking (rupture of membranes) longer than 18 hours before birth, Infection of the placenta tissues and amniotic fluid (chorioamnionitis). […] Babies with late-onset neonatal sepsis are infected after delivery. The following increase an infant’s risk for sepsis after delivery: Having a catheter in a blood vessel for a long time, Staying in the hospital for an extended period of time.
  • #1 Maternal Sepsis – End Sepsis
    https://www.endsepsis.org/what-is-sepsis/maternal-sepsis/
    Maternal sepsis could be caused by pre- or postpartum infections due to: Mastitis (one or both breasts), Miscarriage, Preterm delivery, Membrane rupture due to prolonged or obstructed labor, Cesarean/C-section, Non-sterile abortion, Stillbirth, Multiple gestations (twins or more), Pneumonia, Strep throat, Urinary tract infection. […] The risk of infection and sepsis increases as a result of: Pregnancy with twins or other multiples, Diabetes and other chronic illnesses, Mastitis (breast infection), In vitro fertilization, Amniocentesis, Chorionic villus sampling (CVS). […] Maternal sepsis can be prevented. It is important to speak up to a healthcare provider if you feel unwell so that you can be treated as quickly as possible. Speaking up can be hard, but if something doesnt feel right, tell your healthcare provider. Make sure your questions are answered and dont let anyone dismiss your concerns. The most important factor in preventing during pregnancy is to prevent and treat infections immediately and ensure clean birthing/delivery practices.
  • #1 Sepsis: 4 things for cancer patients to know | MD Anderson Cancer Center
    https://www.mdanderson.org/cancerwise/shifting-opponents-from-fighting-cancer-to-fighting-sepsis.h00-158753901.html
    Sepsis is a serious condition that occurs when your body’s immune system damages its own tissues and organs while trying to fight a bacterial, viral or fungal infection. This can lead to shock, organ failure and even death. […] A cancer diagnosis and certain treatments, like chemotherapy, can weaken the immune system, making it difficult for the body to fight infections. This puts cancer patients at increased risk for sepsis. […] Cancer patients are particularly vulnerable to sepsis.
  • #1 Top 5 Causes of Sepsis in Nursing Homes
    https://www.mellinolaw.com/news/top-5-causes-of-sepsis-in-nursing-homes
    If an elderly person is neglected, it can lead to them developing severe infections. These severe infections can turn into sepsis if they are left untreated. […] Sepsis causes extreme inflammation in the body. This reaction can cause tissue damage and organ failure. […] Sepsis could happen to anyone, but it is a lot more common in older people. […] The five biggest causes of someone developing sepsis in a nursing home are as follows: Inadequate Infection Control and Prevention, Delayed Detection and Diagnosis, Unmanaged Medical Conditions and Infections, Inadequate Amount of Staff, Poor Wound Care Practices. […] Poor hygiene often leads to other diseases or infections that can turn into sepsis. […] Sanitation issues are also common in nursing homes. This can have deadly consequences for the residents.
  • #1 Sepsis (Septicemia): Blood Poisoning by Bacteria
    https://www.health.com/sepsis-overview-7254821
    Sepsis is a system-wide immune or inflammatory response triggered by an infection or traumatic injury. […] A wide range of infections and medical conditions can cause sepsis, the most common of which are: […] Bacterial infections: The most common cause of sepsis is infection of bacteria, primarily Staphylococcus aureus (staph), Escherichia coli (E. coli), and Streptococcus pyogenes (S. pyogenes). […] Viruses: Sepsis can also be a response to a viral infection, such as influenza or COVID-19. […] Post-surgery complications: Many cases of sepsis arise due to infection following surgery, or even a cut or wound. […] Traumatic injury: Since injuries also trigger strong immune reactions, they can also set off sepsis. […] Most commonly, however, sepsis is triggered by an infection of the urinary tract, lungs, kidneys, or stomach.
  • #1
    https://www.nhs.uk/conditions/sepsis/who-can-get-it/
    Anyone with an infection can get sepsis. […] Some people are more likely to get an infection that could lead to sepsis, including: […] You cannot catch sepsis from another person. It happens when your body overreacts to an infection.
  • #1 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    Sepsis is the third leading cause of death in U.S. hospitals. […] That immune response, known as sepsis, is the third most common cause of death in U.S. hospitals and affects 1.7 million people nationwide each year, according to the Centers for Disease Control and Prevention (CDC). […] While diagnosing sepsis can be challenging, it is often treatable when caught in time. […] The biggest delay [in treating sepsis] still is diagnosis, says Simpson, who serves as the chair of the board of directors for the Sepsis Alliance, a nonprofit organization focused on improving sepsis care. […] If we had a single test that identified sepsis it would make it much easier, adds Mitchell Levy, MD, chief of the division of critical care, pulmonary, and sleep medicine, and a professor of medicine at The Warren Alpert Medical School of Brown University in Providence, Rhode Island, as well as a founding member of the Surviving Sepsis Campaign.
  • #1 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    Some common symptoms of sepsis include: temperature is high or low; there are signs of infection; the patient is exhibiting mental decline and confusion; and the patient reports being extremely ill, with severe pain and/or shortness of breath. […] In the most recent Surviving Sepsis Guidelines, released in 2021, the recommendation is to ensure that every patient that is in septic shock, or shock that might be septic, receives antibiotics within one hour a change from previous guidelines that said antibiotic administration should begin within three hours. […] You cant treat sepsis without antibiotics, so you have got to do everything in your power to preserve the antibiotics. […] Duda experiences Post-Sepsis Syndrome (PSS), which affects about 50% of sepsis survivors and is more likely to impact older patients and people with chronic medical conditions, according to Sepsis Alliance.
  • #1 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    While research into the specifics of how best to treat sepsis is ongoing, data supports the idea that having dedicated teams and adherence to formal guidelines to screen for and respond to sepsis can drastically improve outcomes. […] According to the CDC, 73% of hospitals have a sepsis committee, but only 55% of hospitals provide dedicated time for sepsis program leaders to focus on sepsis protocol in their hospitals. […] Says Duda, When its all said and done, anyone of any age and any health status can develop sepsis.
  • #1 Understanding Sepsis: Causes, Research, and Patient Rights
    https://www.medmalnj.com/understanding-sepsis-causes-research-and-patient-rights/
    Sepsis arises when the body’s immune response to an infection triggers widespread inflammation, leading to a cascade of physiological changes that can result in tissue damage, organ failure, and death if not promptly treated. […] Common infections that may precipitate sepsis include pneumonia, intra-abdominal infections, urinary tract infections, and bloodstream infections (bacteremia). While bacterial infections are the primary culprits, viral and fungal infections can also lead to sepsis. […] Preventing sepsis requires vigilant management of the underlying infections. […] Sepsis remains a medical emergency that demands immediate and effective intervention. […] Despite the absence of a universally accepted treatment protocol, healthcare providers are expected to recognize common symptoms of sepsis and implement appropriate clinical interventions. […] Delayed or insufficient intervention can lead to catastrophic consequences, including irreversible organ damage or death.
  • #2 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    Sepsis is the third leading cause of death in U.S. hospitals. […] That immune response, known as sepsis, is the third most common cause of death in U.S. hospitals and affects 1.7 million people nationwide each year, according to the Centers for Disease Control and Prevention (CDC). […] While diagnosing sepsis can be challenging, it is often treatable when caught in time. […] The biggest delay [in treating sepsis] still is diagnosis, says Simpson, who serves as the chair of the board of directors for the Sepsis Alliance, a nonprofit organization focused on improving sepsis care. […] If we had a single test that identified sepsis it would make it much easier, adds Mitchell Levy, MD, chief of the division of critical care, pulmonary, and sleep medicine, and a professor of medicine at The Warren Alpert Medical School of Brown University in Providence, Rhode Island, as well as a founding member of the Surviving Sepsis Campaign.
  • #2 Sepsis: Symptoms, Causes, Treatment, Risks, and More
    https://www.healthline.com/health/sepsis
    Sepsis is usually caused by a bacterial infection. The most common include: pneumonia, abdominal infections, urinary tract infections. […] According to the CDC, fungal and viral infections may also cause sepsis, including COVID-19 and the flu.
  • #2
    https://www.who.int/news-room/fact-sheets/detail/sepsis
    Sepsis is usually caused by bacterial infections but may be the result of other infections such as viruses, parasites or fungi. […] Sepsis acquired in health care settings is one of the most frequent adverse events during care delivery and affect hundreds of millions of patients worldwide every year. […] Antimicrobial resistance is a major factor determining clinical unresponsiveness to treatment and rapid evolution to sepsis and septic shock. […] Sepsis is a significant cause of maternal, neonatal and child mortality. […] Sepsis can also ultimately lead to death in patients affected by HIV, tuberculosis, malaria, and other infectious diseases that are included in target 3.3. […] Sepsis is always a serious condition but people living with HIV, tuberculosis, malaria and other infectious diseases are at higher risk.
  • #2 Septic Shock: Practice Essentials, Background, Pathophysiology
    https://emedicine.medscape.com/article/168402-overview
    Sepsis is defined as life-threatening organ dysfunction due to dysregulated host response to infection, and organ dysfunction is defined as an acute change in total Sequential Organ Failure Assessment (SOFA) score of 2 points or greater secondary to the infection cause. […] Septic shock occurs in a subset of patients with sepsis and comprises of an underlying circulatory and cellular/metabolic abnormality that is associated with increased mortality. […] The most common disease states predisposing to sepsis are malignancies, diabetes mellitus, chronic liver disease, and chronic kidney disease. […] Before the introduction of antibiotics, gram-positive bacteria were the principal organisms that caused sepsis. […] Currently, however, the rates of sepsis and septic shock due to gram-positive organisms are rising again because of the more frequent use of invasive procedures and lines in critically ill patients.
  • #2 Etiology – Pharmacy & Acute Care University
    https://pharmacyacute.com/topic/etiology/
    Sepsis, a life-threatening organ dysfunction due to a dysregulated host response to infection, is commonly caused by a variety of infections. The most prevalent primary cause of sepsis is related to abdominal infections, with urinary tract infections, pneumonia, skin and soft tissue infections, and bacteremia also being significant contributors. […] The most common microbial pathogens causing sepsis in adults in the US are Gram-negative rods and Gram-positive cocci. Gram-negative rods were isolated in 55% of patients with blood culture-positive sepsis. Among the Gram-negative rods, Escherichia coli, Klebsiella species, Proteus species, and Pseudomonas aeruginosa were associated with lower in-hospital mortality. Gram-positive cocci were isolated in 47% of patients with blood culture-positive sepsis. Methicillin-resistant Staphylococcus aureus (MRSA) was present in 11% of cases. Other pathogens associated with higher in-hospital mortality were Acinetobacter species and MRSA. The incidence of Gram-negative pathogens has increased over time, surpassing Gram-positives as the leading cause of sepsis in the US.
  • #2 Neonatal sepsis: MedlinePlus Medical EncyclopediaLock
    https://medlineplus.gov/ency/article/007303.htm
    Neonatal sepsis can be caused by bacteria such as Escherichia coli (E coli), Listeria, and some strains of streptococcus. Group B streptococcus (GBS) has been a major cause of neonatal sepsis. However, this problem has become less common because women are screened for GBS during pregnancy. The herpes simplex virus (HSV) can also cause a severe infection in a newborn baby. This happens most often when the mother is newly infected with HSV. […] Early-onset neonatal sepsis most often appears within 24 to 48 hours of birth. The baby gets the infection from the mother before or during delivery. The following increase an infant’s risk of early-onset bacterial sepsis: GBS colonization during pregnancy, Preterm delivery, Water breaking (rupture of membranes) longer than 18 hours before birth, Infection of the placenta tissues and amniotic fluid (chorioamnionitis). […] Babies with late-onset neonatal sepsis are infected after delivery. The following increase an infant’s risk for sepsis after delivery: Having a catheter in a blood vessel for a long time, Staying in the hospital for an extended period of time.
  • #2
    https://www.atsu.edu/faculty/chamberlain/website/lectures/lecture/sepsis2007.htm
    Sepsis is a systemic response that is caused by the presence of pathogenic microorganisms and/or their toxins (superantigens) in the bloodstream. […] Sepsis is life-threatening organ dysfunction caused by a dysregulated host response to infection and/or superantigen. […] Most cases of sepsis occur as the result of an infection of the urinary tract, lungs, or the peritoneum. Other sources of sepsis include skin, soft tissue, and central nervous system (CNS) infections. Approximately 50% of these infections are due to gram-negative bacteria, and slightly less than 50% are caused by gram-positive bacteria. Less common causes of sepsis include fungi, viruses such as the human immunodeficiency virus (HIV), and protozoa. […] The most common causes of sepsis in the pediatric age group include Streptococcus pneumoniae, Neisseria meningitidis, and Staphylococcus aureus.
  • #2 Sepsis – Symptoms & causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/sepsis/symptoms-causes/syc-20351214
    Sepsis is a serious condition in which the body responds improperly to an infection. […] Any type of infection can lead to sepsis. This includes bacterial, viral or fungal infections. Those that more commonly cause sepsis include infections of: […] Lungs, such as pneumonia. […] Kidney, bladder and other parts of the urinary system. […] Digestive system. […] Bloodstream. […] Catheter sites. […] Wounds or burns.
  • #2 Sepsis – Wikipedia
    https://en.wikipedia.org/wiki/Sepsis
    Sepsis is caused by many organisms including bacteria, viruses, and fungi. […] Infections leading to sepsis are usually bacterial but may be fungal, parasitic, or viral. […] Gram-positive bacteria were the primary cause of sepsis before the introduction of antibiotics in the 1950s. […] After the introduction of antibiotics, gram-negative bacteria became the predominant cause of sepsis from the 1960s to the 1980s. […] After the 1980s, gram-positive bacteria, most commonly staphylococci, are thought to cause more than 50% of cases of sepsis. […] Other commonly implicated bacteria include Streptococcus pyogenes, Escherichia coli, Pseudomonas aeruginosa, and Klebsiella species. […] The most common sites of infection resulting in severe sepsis are the lungs, the abdomen, and the urinary tract.
  • #2 Sepsis during pregnancy and after childbirth | Pregnancy Birth and Baby
    https://www.pregnancybirthbaby.org.au/sepsis-during-pregnancy-and-after-childbirth
    Sepsis in pregnancy and after birth can be caused by an infection related to the pregnancy or related to giving birth, or by any other infection. […] Sepsis in pregnancy and after birth can be due to pregnancy-related infections such as infections in the amniotic fluid and placenta, infection in the pelvis or a wound infection after a caesarean section or perineal tear. Infections that anyone may experience can also occur in pregnancy and lead to sepsis such as pneumonia or urinary tract infections (UTIs). […] The infections that cause sepsis can be bacterial and/or viral.
  • #2 What Causes Sepsis? – ApolloMD
    https://apollomd.com/glossary/what-causes-sepsis/
    Sepsis can be caused by an infection in any part of the body which may enter the bloodstream causing rapid spread of bacteria and a systemic response. Even an infected tooth can cause sepsis, but it is much more common for sepsis to occur when a person is fighting an internal infection such as a urinary tract infection or pneumonia. […] Sepsis also commonly occurs in when a patient is already in a hospital, either with a major infection or recovering from a major surgery as they are exposed to more illness and the patients are in a condition where their ability to fight infection is decreased (immunosuppressed). […] Sepsis itself may be mild and curable, but when the body does not respond to treatment or when left untreated entirely, sepsis can quickly become severe which can lead to multiorgan failure and fatally low blood pressure, a condition known as septic shock.
  • #2 Pathophysiology of sepsis – UpToDate
    https://www.uptodate.com/contents/pathophysiology-of-sepsis
    The normal host response to infection is a complex process that localizes and controls bacterial invasion while initiating the repair of injured tissue. […] Sepsis results when the response to infection becomes generalized and involves normal tissues remote from the site of injury or infection. […] Causative pathogen replicates and releases microbial components such as endotoxins, exotoxins, and DNA that are designated pathogen-associated molecular patterns (PAMPs). […] PRRs can also recognize endogenous danger signals, so-called alarmins or danger-associated molecular patterns (DAMPs) that are released during the inflammatory insult.
  • #2 Bacterial Sepsis – StatPearls – NCBI Bookshelf
    https://www.ncbi.nlm.nih.gov/books/NBK537054/
    Bacterial sepsis is a life-threatening condition that arises when the body’s response to an infection injures its tissues and organs. […] Sepsis is caused by conditions that threaten the functional integrity of the host, such as microbial invasion. […] The inflammatory response that leads to clinical syndromes such as sepsis is triggered by conditions that threaten the functional integrity of the host, in this case, microbial invasion. […] Both pro-inflammatory responses and anti-inflammatory responses characterize the host response. […] The extent of this process depends entirely on both pathogen factors (load, virulence, and pathogen-associated molecular pattern) and host factors (environment, genetics, age, other illnesses, and medications). […] Sepsis is differentiated from infection by a dysregulated host response and the presence of end-organ dysfunction.
  • #2 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    To develop sepsis, a microbial infection is necessary but not sufficient: it appears that a patient also needs a pre-existing susceptibility. […] These surveys found that approximately 70% to 80% of the cases of severe sepsis in adults occurred in individuals who were already hospitalized for other reasons (Munford Suffredini, 2009). […] Sepsis has been shown to develop when the innate immune response becomes amplified and dysfunctional, leading to an imbalance between pro-inflammatory and anti-inflammatory responses. […] Traditionally, sepsis was viewed as an excessive systemic pro-inflammatory reaction to an infection. […] More recently it has been proposed that the early phase of hyper-inflammation is followed or overlapped by a prolonged state of immunosuppression, referred to as sepsis-induced immunoparalysis.
  • #2 Bacterial sepsis causes more dramatic pathogenetic changes in the Th1 pathway than does viral (COVID-19) sepsis: a prospective observational study of whole blood transcriptomes | Virology Journal | Full Text
    https://virologyj.biomedcentral.com/articles/10.1186/s12985-024-02451-6
    Our study revealed distinct molecular profiles between bacterial sepsis and viral (COVID-19) sepsis. Bacterial sepsis patients had a greater number of upregulated and downregulated genes and pathways compared to viral (COVID-19) sepsis patients. Especially, bacterial sepsis caused more dramatic pathogenetic changes in the Th1 pathway than did viral (COVID-19) sepsis.
  • #2 Sepsis | NHS inform
    https://www.nhsinform.scot/illnesses-and-conditions/blood-and-lymph/sepsis/
    Sepsis is a serious complication of an infection. […] Without quick treatment, sepsis can lead to multiple organ failure and death. […] What causes a sepsis infection? The immune system usually keeps an infection limited to one place. This is called a localised infection. […] However, an infection can spread to other parts of the body if the immune system is weak or an infection is severe. […] Widespread inflammation can damage tissue and interfere with blood flow. When blood flow is interrupted, blood pressure can drop dangerously low. This stops oxygen from reaching the organs and tissues. […] Sepsis can be triggered by an infection in any part of the body. The most common sites of infection that lead to sepsis are the lungs, urinary tract, tummy (abdomen), and pelvis. […] However, sometimes the specific infection and source of sepsis can’t be identified.
  • #2 Sepsis: Symptoms, Causes, and Treatment | Banner Health
    https://www.bannerhealth.com/services/infectious-disease/treatment/sepsis
    Sepsis is a life-threatening condition that happens when your body overreacts to an infection. […] Sepsis can start from any infection, like pneumonia, a urinary tract infection or a cut that gets infected. […] Sepsis occurs when the body’s immune system overreacts in response to an infection. Any infection could lead to sepsis. Infections in these areas often cause sepsis: […] In a healthy person, the immune system releases chemicals to help combat infections from bacteria, viruses or fungi. […] With sepsis, the immune response is unbalanced and triggers inflammation. This response causes a chain reaction that affects many different organs, including the heart, kidneys and liver. […] In some cases, sepsis can lead to blood clotting, damage to blood vessels and reduced blood flow. It can make it harder for the organs to work the way they should.
  • #2
    https://journals.lww.com/eccm/fulltext/2024/06000/research_progress_of_viral_sepsis__etiology,.5.aspx
    Viral infections can induce severe cytokine storms. […] The respiratory system is the most commonly infected system and the most common system to fail in sepsis. […] Acute kidney injury (AKI) is characterized by a rapid decrease in renal function due to different causes. Sepsis-associated AKI refers to meeting the diagnostic criteria for both sepsis and AKI, excluding other causes that can explain AKI. […] Gastrointestinal dysfunction is associated with a high mortality rate in patients with sepsis. […] Because of the lack of specific clinical manifestations, viral sepsis is often difficult to detect in its early stages. […] When a patient with sepsis has no evidence of bacterial, parasitic, or fungal infection, viral sepsis should be considered, and the virus type should be determined as soon as possible. […] Antiviral therapy is a top priority in sepsis management, and antiviral drugs should be administered as early as possible in patients with viral sepsis.
  • #2 Sepsis: Symptoms, Causes, and Treatment | Banner Health
    https://www.bannerhealth.com/services/infectious-disease/treatment/sepsis
    Sepsis can cause inflammation, blood clotting and severe tissue and organ damage. […] Low blood pressure can limit the blood flow to your organs and make them fail. In severe cases, sepsis can lead to tissue damage or organ failure in your heart, kidneys and/or liver. […] Sepsis can lead to septic shock, which is a more severe form of sepsis. […] Certain medical conditions and factors can increase the risk of sepsis. Risk is higher for adults over age 65, babies and young children and those who have: […] The earlier sepsis is diagnosed, the better the chances of a full recovery and the lower the risk of complications such as tissue damage or organ failure. […] Sepsis treatment is tailored based on how severe your condition is and what type of infection is causing it. Treatment for sepsis usually involves: […] You may need surgery to remove infected tissue or organs and prevent the infection from spreading further. In severe cases, sepsis may lead to organ failure and you may need close monitoring and advanced treatment in an ICU.
  • #2 Sepsis End of Life Symptoms | Mass General Brigham
    https://www.massgeneralbrigham.org/en/about/newsroom/articles/sepsis-a-leading-cause-of-death
    Sepsis is a life-threatening medical emergency that happens when the bodys immune response to an infection causes damage to vital organs. […] Most cases of sepsis are caused by bacterial infections. According to the CDC, infections that cause sepsis most commonly start in the following places in the body: […] Viral infections, like COVID-19 or influenza (the flu), and fungal infections can also cause sepsis. […] People who have multiple risk factors are generally at higher risk than those who have only one risk factor. […] Most people who develop sepsis have an underlying medical condition. People who are at a higher risk for sepsis include: […] Sepsis is a medical emergency. […] Because sepsis can be caused by different types of infections, theres no single test that can make the diagnosis with 100% accuracy.
  • #2 What Are the Causes and Risk Factors of Sepsis?
    https://www.everydayhealth.com/sepsis/causes-risk-factors/
    Age is another risk factor for sepsis. Although sepsis can happen to anyone, Brown warns that the condition is also common in the older population, particularly due to the link between age and chronic illnesses. […] ICUs provide critically ill patients with care, but their underlying problems may predispose them to sepsis, warns Keith Roach, MD, an internist at New York-Presbyterian Hospital and Weill Cornell Medical Center in New York City. […] Sepsis is also found in pregnant women because the immune system is slightly weakened, although this is less common today. Sepsis can occur while a mother is still pregnant or within the weeks following delivery. […] Sepsis may also occur if you ignore warning signs of an infection no matter the type.
  • #2 How to spot maternal sepsis | NCT
    https://www.nct.org.uk/information/pregnancy/body-pregnancy/how-spot-maternal-sepsis
    Its impossible to know who will suffer from sepsis until it happens but risk factors for maternal and postpartum sepsis can be: Having recently had surgery. Having a medical condition that weakens the immune system. Prolonged length of time between waters breaking and the baby being born. Diabetes. Anaemia. History of pelvic infection. History of group B streptococcal infection. Streptococcal infection in close contacts or family members. Obesity. Black or other minority ethnic group origin. (RCOG, 2012a,b; NHS Inform, 2022)
  • #2 Sepsis: 4 things for cancer patients to know | MD Anderson Cancer Center
    https://www.mdanderson.org/cancerwise/shifting-opponents-from-fighting-cancer-to-fighting-sepsis.h00-158753901.html
    Sepsis is a serious condition that occurs when your body’s immune system damages its own tissues and organs while trying to fight a bacterial, viral or fungal infection. This can lead to shock, organ failure and even death. […] A cancer diagnosis and certain treatments, like chemotherapy, can weaken the immune system, making it difficult for the body to fight infections. This puts cancer patients at increased risk for sepsis. […] Cancer patients are particularly vulnerable to sepsis.
  • #2 Sepsis and Septic Shock – Critical Care Medicine – Merck Manual Professional Edition
    https://www.merckmanuals.com/professional/critical-care-medicine/sepsis-and-septic-shock/sepsis-and-septic-shock
    Sepsis is a clinical syndrome of life-threatening organ dysfunction caused by a dysregulated response to infection. […] Common causes in immunocompetent patients include many different species of gram-positive and gram-negative bacteria. Patients who are immunocompromised may have uncommon bacterial or fungal species as a cause. […] Most cases of septic shock are caused by hospital-acquired gram-negative bacilli or gram-positive cocci and often occur in patients who are immunocompromised and in patients with chronic and debilitating diseases. Rarely, it is caused by Candida or other fungi. […] Common causative sites of infection include the lungs and the urinary, biliary, and gastrointestinal tracts. […] Septic shock occurs more often in neonates, older adults, and pregnant people. Predisposing factors include diabetes mellitus, cirrhosis, leukopenia, invasive devices, prior treatment with antibiotics or corticosteroids, and recent hospitalization.
  • #2 What Causes Sepsis After Surgery | The Beasley Firm, LLCcloseprintfacebook-squarefacebookbarsgoogle-plus-squareenvelopelinkedinellipsis-vxingyoutube-playinstagrampaper-planepinterest-pwhatsappcommentingx-twittermagnifierchevron-down
    https://beasleyfirm.com/blog/what-causes-sepsis-after-a-surgery/
    Sepsis is caused by an infection. In most cases, the infection is bacterial, but it can result from viral infections as well. In some instances, it can be the result of medical malpractice before, during, or after an operation. […] Post-operative sepsis may be caused because of a surgical error or another form of medical malpractice. Sepsis after an operation may be the result of nearly any type of surgery and may start as a minor infection. […] Common causes of postoperative sepsis that may be considered medical malpractice: Perforation of the bowel, Urinary tract infection, Fluid build-up, Infections related to poorly sterilized equipment, Defective medical devices, Failure to diagnose an infection.
  • #2 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    It is now recognized that sepsis can be caused by any bacteria, as well as from fungal and viral organisms. […] More recent epidemiology studies show that Gram-positive organisms superseded Gram-negatives in the early to mid-1980s as the most common cause of sepsis in the United States. […] While bacterial causes of sepsis have increased, fungal causes of sepsis have grown at an even more rapid pace. […] The likelihood that a local infection will progress to sepsis varies according to its source and location. […] This difference indicates that other factors, beyond the type of tissue and the kind of microbe, are involved in the development of sepsis. […] One clue is the source of the bacteria that most commonly cause sepsis. […] The fact that normal flora bacteria are also the most common causes of sepsis suggests that sepsis is most readily triggered in people who have weakened antimicrobial defenses.
  • #2 Understanding Sepsis: Causes, Research, and Patient Rights
    https://www.medmalnj.com/understanding-sepsis-causes-research-and-patient-rights/
    Sepsis arises when the body’s immune response to an infection triggers widespread inflammation, leading to a cascade of physiological changes that can result in tissue damage, organ failure, and death if not promptly treated. […] Common infections that may precipitate sepsis include pneumonia, intra-abdominal infections, urinary tract infections, and bloodstream infections (bacteremia). While bacterial infections are the primary culprits, viral and fungal infections can also lead to sepsis. […] Preventing sepsis requires vigilant management of the underlying infections. […] Sepsis remains a medical emergency that demands immediate and effective intervention. […] Despite the absence of a universally accepted treatment protocol, healthcare providers are expected to recognize common symptoms of sepsis and implement appropriate clinical interventions. […] Delayed or insufficient intervention can lead to catastrophic consequences, including irreversible organ damage or death.
  • #2 Maternal Sepsis – End Sepsis
    https://www.endsepsis.org/what-is-sepsis/maternal-sepsis/
    Maternal sepsis could be caused by pre- or postpartum infections due to: Mastitis (one or both breasts), Miscarriage, Preterm delivery, Membrane rupture due to prolonged or obstructed labor, Cesarean/C-section, Non-sterile abortion, Stillbirth, Multiple gestations (twins or more), Pneumonia, Strep throat, Urinary tract infection. […] The risk of infection and sepsis increases as a result of: Pregnancy with twins or other multiples, Diabetes and other chronic illnesses, Mastitis (breast infection), In vitro fertilization, Amniocentesis, Chorionic villus sampling (CVS). […] Maternal sepsis can be prevented. It is important to speak up to a healthcare provider if you feel unwell so that you can be treated as quickly as possible. Speaking up can be hard, but if something doesnt feel right, tell your healthcare provider. Make sure your questions are answered and dont let anyone dismiss your concerns. The most important factor in preventing during pregnancy is to prevent and treat infections immediately and ensure clean birthing/delivery practices.
  • #2 Top 5 Causes of Sepsis in Nursing Homes
    https://www.mellinolaw.com/news/top-5-causes-of-sepsis-in-nursing-homes
    Unmanaged medical conditions and untreated infections can also lead to a dangerous outcome. Infections that go untreated is how sepsis starts. […] Septic shock is the most life-threatening stage of sepsis. At this stage, the person’s blood pressure drops dangerously low, which causes the major organs to fail. […] Wounds are a gateway for germs to get into the body. So, if wounds are not properly treated, a host of diseases and infections can occur. […] Untreated bedsores will likely cause an infection, which can turn into sepsis.
  • #2 Sepsis | National Institute of General Medical Sciences
    https://www.nigms.nih.gov/education/fact-sheets/Pages/sepsis.aspx
    Noninfectious insults can lead to sepsis because they can activate the bodys immune responses just like infections do. […] The people at highest risk of sepsis are infants, children, older adults, and vulnerable people who have underlying medical problems, have concurrent injuries or surgeries, or are taking certain medications. […] Sepsis is difficult to treat for many reasons, including differences in patient physiology and the many possible underlying causes of the disease. […] Sepsis can cause illness and death in many ways, even after the underlying trauma or infection and widespread inflammation are under control.
  • #2
    https://www.nhs.uk/conditions/sepsis/
    Sepsis is a life-threatening reaction to an infection. […] It happens when your immune system overreacts to an infection and starts to damage your body’s own tissues and organs. […] You cannot catch sepsis from another person.
  • #2 Sepsis – Symptoms, causes, complications, and treatment | National Kidney Foundation
    https://www.kidney.org/kidney-topics/sepsis
    Sepsis is a life-threatening response to infection or injury. It can cause blood clots, low blood pressure, and prevent oxygen from reaching your kidneys. […] Sepsis is a life-threatening emergency. It is a severe response to an infection or injury. This can include blood clots, leaky blood vessels, and drops in blood pressure. Sepsis can stop oxygen and nutrients from reaching your kidneys. […] Kidney disease can help cause sepsis. […] Sepsis can overwhelm the body. This can cause vital organs to shut down. This usually starts with the kidneys. […] Between one third and one half of acute kidney injury cases are believed to be caused by sepsis. […] Almost any infection can lead to sepsis, especially if left untreated. Bacterial infections are the most common cause of sepsis. However, viral, fungal, and parasitic infections can also cause sepsis. […] Sepsis is not contagious, so it cannot spread to others. However, sepsis is usually caused by an infection, and some infections can be spread to others.
  • #2 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    Some common symptoms of sepsis include: temperature is high or low; there are signs of infection; the patient is exhibiting mental decline and confusion; and the patient reports being extremely ill, with severe pain and/or shortness of breath. […] In the most recent Surviving Sepsis Guidelines, released in 2021, the recommendation is to ensure that every patient that is in septic shock, or shock that might be septic, receives antibiotics within one hour a change from previous guidelines that said antibiotic administration should begin within three hours. […] You cant treat sepsis without antibiotics, so you have got to do everything in your power to preserve the antibiotics. […] Duda experiences Post-Sepsis Syndrome (PSS), which affects about 50% of sepsis survivors and is more likely to impact older patients and people with chronic medical conditions, according to Sepsis Alliance.
  • #3 Sepsis Symptoms and Treatment
    https://www.webmd.com/a-to-z-guides/sepsis-septicemia-blood-infection
    Sepsis is usually caused by bacteria, but it can also be caused by viruses and fungi. […] Common infections that cause sepsis are: pneumonia, urinary tract infections, infection in your appendix (appendicitis), abdominal infection, infections of the liver or gallbladder, brain or spinal cord infections. […] For most people, a bacterial infection causes sepsis. […] Staphylococcus aureus (S. aureus), Streptococcus pyogenes (S. pyogenes), Klebsiella spp., Escherichia coli (E. coli), and Pseudomonas aeruginosa (P. aeruginosa) all cause sepsis.
  • #3 About Sepsis | Sepsis | CDC
    https://www.cdc.gov/sepsis/about/index.html
    Sepsis is the body’s extreme response to an infection. It is a life-threatening medical emergency. […] Anyone can get an infection, and almost any infection can lead to sepsis. […] Infections that lead to sepsis most often start in the gastrointestinal tract, lung, skin or urinary tract. […] Infections can put you and your loved ones at risk for sepsis. When germs get into a person’s body, they can cause an infection. If you don’t stop that infection, it can cause sepsis. […] Bacterial infections cause most cases of sepsis. Sepsis can also be a result of other infections, including viral infections, such as COVID-19 or influenza, or fungal infections.
  • #3 Sepsis: Causes & Symptoms | Renown Health
    https://www.renown.org/blog/sepsis-what-it-is-and-what-you-need-to-know
    According to the Global Sepsis Alliance, 1 in 5 deaths worldwide are associated with sepsis. If not recognized early and treated promptly, sepsis is the final common pathway to death from most infectious diseases worldwide, including viruses such as COVID-19. […] Sepsis is a response to infectionbacterial, viral or fungaland can start anywhere in the body and spread into the bloodstream. […] Any infection can lead to sepsis. Typically your immune system takes care of the infection. It doesnt progress, but in cases where the infection becomes severe, or the immune system doesnt function properly, people can certainly die. […] Areas of infection that more commonly result in sepsis include: Lungs, such as pneumonia; Kidney, bladder and other parts of the urinary system; Digestive system Bloodstream (bacteremia); Catheter sites; Wounds or burns.
  • #3 Spot Sepsis Early: Signs and Immediate Actions to Save Lives
    https://www.upmc.com/services/division-infectious-diseases/conditions/sepsis
    Sepsis occurs when the body has an extreme immunological reaction to an infection. […] A virus, bacteria, or fungus can trigger sepsis (blood poisoning), and can be present anywhere on the body. […] Sepsis starts with an infection. The infection could begin with any kind of germ, but certain bacteria are more often the cause of sepsis than other germs. […] Four types of infections more likely to lead to sepsis compared to other types of infections are: Lung, such as pneumonia or COVID-19. A little more than one out of three people with sepsis had a lung infection. […] UTIs, including bladder and kidney infections. About one out of four people with sepsis had a UTI. […] Skin, including MRSA and other staph infections. About one in 10 people with sepsis had a skin infection. […] Gut, including appendicitis and infections in the gallbladder, liver, or bowels. About one in 10 people with sepsis had a gut infection.
  • #3 4. Pathophysiology of Sepsis | ATrain Education
    https://www.atrainceu.com/content/4-pathophysiology-sepsis
    This immunoparalytic state is characterized by impaired innate and adaptive immune responses and may play a central role in tissue damage, multiple organ failure, and death induced by sepsis (Schulte et al., 2013). […] Whether an infection turns septic is determined more by the body’s ability to control inflammatory reactions than by the particular organism causing the infection (Neviere, 2013a).
  • #3 Sepsis is the third leading cause of death in U.S. hospitals. But quick action can save lives. | AAMC
    https://www.aamc.org/news/sepsis-third-leading-cause-death-us-hospitals-quick-action-can-save-lives
    While research into the specifics of how best to treat sepsis is ongoing, data supports the idea that having dedicated teams and adherence to formal guidelines to screen for and respond to sepsis can drastically improve outcomes. […] According to the CDC, 73% of hospitals have a sepsis committee, but only 55% of hospitals provide dedicated time for sepsis program leaders to focus on sepsis protocol in their hospitals. […] Says Duda, When its all said and done, anyone of any age and any health status can develop sepsis.