Tachykardia przedsionkowa – Rokowania, prognozy i postęp choroby

Tachykardia przedsionkowa
Rokowania, prognozy i postęp choroby

Tachykardia przedsionkowa (AT) to arytmia charakteryzująca się przyspieszonym rytmem serca pochodzącym z przedsionków, której rokowanie zależy od etiologii, czasu trwania arytmii oraz chorób współistniejących. Jednogniskowa AT u dorosłych jest zwykle łagodna i może nie wymagać leczenia, jeśli nie jest utrwalona, natomiast utrwalona tachykardia może prowadzić do kardiomiopatii indukowanej tachykardią i niewydolności serca. Wieloogniskowa tachykardia przedsionkowa (MAT) jest ściśle związana z chorobami płuc, zwłaszcza POChP, i wiąże się z wysoką śmiertelnością do 45%, choć sama arytmia rzadko jest bezpośrednią przyczyną zgonu. U pacjentów z prawidłową strukturą serca śmiertelność jest niska, natomiast u osób z chorobami strukturalnymi serca lub płuc tolerancja tachykardii jest ograniczona. Wiek jest istotnym czynnikiem ryzyka rozwoju AT oraz niekorzystnych wyników sercowo-naczyniowych.

Rokowanie w Tachykardii Przedsionkowej

Rokowanie w zależności od typu tachykardii przedsionkowej
Wpływ czasu trwania tachykardii na rokowanie
Rokowanie u pacjentów z chorobami współistniejącymi

Czynniki prognostyczne i markery ryzyka

Markery biologiczne i strukturalne
Wpływ wieku na wyniki ablacji

Potencjalne powikłania i monitorowanie

Ryzyko udaru mózgu
Zalecenia dotyczące monitorowania

Podejście terapeutyczne i jego wpływ na rokowanie

Personalizacja leczenia
Medycyna precyzyjna w leczeniu tachykardii przedsionkowej
Kolejne rozdziały

Rokowanie w Tachykardii Przedsionkowej

Tachykardia przedsionkowa (AT – Atrial Tachycardia) jest rodzajem arytmii charakteryzującej się nieprawidłowym, przyspieszonym rytmem serca pochodzącym z przedsionków. Rokowanie w tej jednostce chorobowej zależy od wielu czynników, w tym etiologii, czasu trwania arytmii oraz chorób współistniejących.¹²

Rokowanie w zależności od typu tachykardii przedsionkowej

Ogniskowa tachykardia przedsionkowa jest zasadniczo łagodnym zaburzeniem rytmu. Ogólne rokowanie zależy jednak przede wszystkim od schorzeń wywołujących tę arytmię. Jeśli tachykardia przedsionkowa utrzymuje się przez dłuższy czas, może prowadzić do kardiomiopatii indukowanej tachykardią.¹

Jednogniskowa tachykardia przedsionkowa jest zwykle łagodna u dorosłych i może nie wymagać leczenia, jeśli nie jest utrwalona. Z drugiej strony, nieustająca tachykardia przedsionkowa może bezpośrednio przyczyniać się do rozwoju kardiomiopatii tachyarytmicznej i odwracalnej niewydolności serca.²

Wieloogniskowa tachykardia przedsionkowa (MAT – Multifocal Atrial Tachycardia) ma rokowanie ściśle związane z podstawową chorobą płuc. Sama MAT rzadko zagraża życiu. Jest to stan przejściowy i ustępuje, gdy poprawia się choroba podstawowa.³⁴

Wpływ czasu trwania tachykardii na rokowanie

Dla większości pacjentów tachykardia przedsionkowa występuje jedynie przez krótkie okresy. Krótkotrwała AT nie jest niebezpieczna i zwykle nie powoduje długoterminowych problemów zdrowotnych. Jednak gdy utrzymuje się przez długi czas lub występuje często, może prowadzić do poważnych konsekwencji, jeśli pacjent zbyt długo zwleka z podjęciem leczenia.⁵

Utrwalona tachykardia przedsionkowa lub częste epizody tej arytmii mogą powodować stan zwany kardiomiopatią, która osłabia i uszkadza serce. Nieleczona kardiomiopatia może prowadzić do niewydolności serca i śmierci.⁶

Rokowanie u pacjentów z chorobami współistniejącymi

U pacjentów z strukturalnie prawidłowym sercem, tachykardia przedsionkowa wiąże się z niską śmiertelnością. Natomiast pacjenci z podstawową chorobą strukturalną serca, wrodzoną wadą serca lub chorobą płuc mają mniejszą zdolność do tolerowania tachykardii przedsionkowej.⁷

Wiek jest istotnym czynnikiem ryzyka rozwoju arytmii przedsionkowych i niezależnym predyktorem niekorzystnych wyników sercowo-naczyniowych. Częstość występowania tachykardii przedsionkowej zwiększa się z wiekiem.⁸

W przypadku pacjentów z wieloogniskową tachykardią przedsionkową (MAT), wielu z nich ma znaczące choroby współistniejące, szczególnie przewlekłą obturacyjną chorobę płuc (POChP) i niewydolność oddechową, które często wymagają leczenia na oddziale intensywnej terapii. W konsekwencji, z arytmią tą wiąże się wysoka śmiertelność (do 45%), chociaż śmiertelność nie jest bezpośrednim następstwem zaburzeń rytmu.⁹

Czynniki prognostyczne i markery ryzyka

Identyfikacja czynników prognostycznych związanych z sukcesem ablacji AT i potencjalnych technik poprawiających wyniki jest kluczowa dla optymalizacji opieki nad pacjentem. Postępy w modelowaniu predykcyjnym i algorytmach stratyfikacji ryzyka umożliwiają klinicystom dokładniejszą ocenę prawdopodobieństwa powodzenia procedury i nawrotu arytmii.¹⁰

Markery biologiczne i strukturalne

Markery zwłóknienia przedsionków, stanu zapalnego i przebudowy macierzy pozakomórkowej, które są zgodne z miopatią przedsionkową, pojawiły się jako potencjalne predyktory powodzenia ablacji i długoterminowych wyników, udokumentowane głównie w migotaniu przedsionków.¹¹

W badaniu pacjentów z anomalią Ebsteina zastawki trójdzielnej (EA), obrazowanie metodą rezonansu magnetycznego serca (CMR) dostarcza istotnych informacji prognostycznych dotyczących poważnych niepożądanych zdarzeń sercowo-naczyniowych (MACE) i pierwszego epizodu tachykardii przedsionkowej (AT).¹²

Badania wykazały, że AT poprzedzała wszystkie oprócz jednego MACE, co sugeruje jej potencjalną rolę jako wczesnego markera niekorzystnego wyniku (p=0,011). AT była związana z utrwalonym częstoskurczem komorowym (VT) i zgonem podczas obserwacji, co potwierdza jej potencjalną rolę jako wczesnego markera niekorzystnego wyniku.¹³

Pierwszy epizod AT był najlepiej przewidywany przez połączenie objętości komór i przemieszczenia przegrodowego płatka zastawki trójdzielnej indeksowanego do długości lewej komory. Te wstępne dane potwierdzają włączenie CMR jako narzędzia prognostycznego w okresowej ocenie pacjentów z EA.¹⁴

Wpływ wieku na wyniki ablacji

Ablacja AT u pacjentów ≥75 lat po wcześniejszych interwencjach kardiologicznych w ośrodkach leczenia arytmii trzeciego stopnia jest bezpieczna i skuteczna. Ablacja AT nie powinna być wykluczana u starszych pacjentów wyłącznie ze względu na wiek, ale powinna być rozważana na podstawie nasilenia arytmii, ciężkości objawów oraz współistniejących klinicznych i proceduralnych czynników ryzyka.¹⁵

Główne wnioski z badań wskazują, że (1) doraźny sukces i poważne powikłania nie różnią się znacząco między pacjentami ≥75 lat i <75 lat poddawanymi ablacji AT oraz (2) nawroty arytmii są porównywalne, ale ponowna ablacja jest rzadziej wykonywana u pacjentów ≥75 lat.¹⁶

Potencjalne powikłania i monitorowanie

Potencjalne powikłania tachykardii przedsionkowej obejmują rozwój kardiomiopatii indukowanej tachykardią, jeśli arytmia jest przetrwała. Inne powikłania to: skrzepliny przedsionkowe z zatorowością i następczym udarem, zawał mięśnia sercowego spowodowany nieadekwatnym zaopatrzeniem i zapotrzebowaniem mięśnia sercowego oraz zatory płucne.¹⁷

Ryzyko udaru mózgu

Badanie przeprowadzone przez Chung i wsp. wykazało, że u pacjentów z ostrym udarem niedokrwiennym i nieutrwaloną tachykardią przedsionkową powiększony lewy przedsionek jest czynnikiem ryzyka nawrotu udaru. Badanie obejmowało 252 pacjentów, których obserwowano przez średni okres 35 miesięcy.¹⁸

Zalecenia dotyczące monitorowania

Jeśli istnieje obawa dotycząca dużego obciążenia tachyarytmiami, pacjenci powinni być monitorowani w warunkach ambulatoryjnych za pomocą monitora Holtera lub telemetrii ambulatoryjnej/mobilnej. Leki powinny być dostosowywane w zależności od potrzeb.¹⁹

Podejście terapeutyczne i jego wpływ na rokowanie

Na szczęście istnieje wiele różnych sposobów leczenia tachykardii przedsionkowej. Niektóre metody leczenia mogą ją całkowicie wyleczyć. Można również zapobiec jej nawrotom lub pogorszeniu, unikając czynników wywołujących, takich jak kofeina i narkotyki.²⁰

Personalizacja leczenia

Zrozumienie wzajemnych oddziaływań między demografią pacjenta, chorobami współistniejącymi i czynnikami genetycznymi jest niezbędne do spersonalizowanej stratyfikacji ryzyka i planowania leczenia w ablacji AT. Włączenie tych elementów do algorytmów stratyfikacji ryzyka i spersonalizowanych podejść terapeutycznych może zoptymalizować wyniki proceduralne, zminimalizować ryzyko powikłań i poprawić długoterminowe przeżycie bez arytmii u pacjentów z AT.²¹

Skuteczna ablacja AT wymaga wielowymiarowego podejścia, uwzględniającego czynniki specyficzne dla pacjenta, charakterystykę arytmii, techniki zabiegowe i strategie długoterminowego monitorowania.²²

Medycyna precyzyjna w leczeniu tachykardii przedsionkowej

Zastosowania medycyny precyzyjnej dają nadzieję na poprawę skuteczności i bezpieczeństwa ablacji tachykardii przedsionkowej poprzez indywidualizację strategii leczenia w oparciu o charakterystykę specyficzną dla pacjenta.²³

Leczenie napadowego częstoskurczu nadkomorowego obejmuje różnorodne leki przeciwarytmiczne i/lub ablację cewnikową nieprawidłowego ogniska lub ognisk. Jednogniskowa tachykardia przedsionkowa może reagować na leki; ablacja z technologią mapowania trójwymiarowego jest często skuteczna.²⁴

Łącznie, SVT są uważane za częsty powód wizyt pacjentów u lekarza podstawowej opieki zdrowotnej lub na oddziale ratunkowym. Jednak te arytmie rzadko skutkują przyjęciem do szpitala.²⁵

Kolejne rozdziały

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Materiały źródłowe

#1 Atrial Tachycardia – StatPearls – NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK542235/
Focal atrial tachycardia is a benign rhythm. Overall prognosis depends on conditions precipitating this arrhythmia. However, if atrial tachycardia persists, it can lead to tachycardia-induced cardiomyopathies over time. […] If there is a concern for a high burden of tachyarrhythmias, patients should undergo monitoring as an outpatient with a Holter monitor or outpatient/mobile telemetry. Medications should be adjusted as described above.
#2 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Atrial tachycardia (AT) is a prevalent cardiac arrhythmia characterized by rapid, abnormal electrical activity originating from the atria. It represents a significant clinical challenge due to its potential for recurrence, adverse cardiovascular outcomes and impact on quality of life. […] Despite advancements in techniques and technology, the success of AT ablation can vary widely among patients. Identifying prognostic factors associated with successful AT ablation and potential outcome improving techniques is imperative for optimizing patient care. […] Advancements in predictive modeling and risk stratification algorithms enable clinicians to assess the likelihood of procedural success and arrhythmia recurrence more accurately. […] The identification of novel outcome predictors for successful ablation of AT is an active area of research aimed at improving procedural efficacy and patient outcomes.
#2 Atrial Tachycardia: Diagnosis – The Cardiology Advisor
https://www.thecardiologyadvisor.com/ddi/atrial-tachycardia-diagnosis/
Prognosis depends on the underlying cause. Unifocal atrial tachycardia is usually benign in adults and may not require treatment if it is not sustained. On the other hand, incessant atrial tachycardia can contribute directly to tachycardic cardiomyopathy and reversible heart failure. The prognosis of MAT will relate in large part to underlying lung disease. Treatment for paroxysmal supraventricular tachycardia includes a variety of antiarrhythmic drugs and/or catheter ablation of the abnormal focus or foci. Unifocal atrial tachycardia may respond to medication; ablation with 3-dimensional mapping technology is frequently successful. […] Collectively, the SVTs are thought to be a common reason patients visit a primary care provider or emergency department. However, these arrhythmias seldom result in inpatient admission.
#3 Atrial Tachycardia: Diagnosis – The Cardiology Advisor
https://www.thecardiologyadvisor.com/ddi/atrial-tachycardia-diagnosis/
Prognosis depends on the underlying cause. Unifocal atrial tachycardia is usually benign in adults and may not require treatment if it is not sustained. On the other hand, incessant atrial tachycardia can contribute directly to tachycardic cardiomyopathy and reversible heart failure. The prognosis of MAT will relate in large part to underlying lung disease. Treatment for paroxysmal supraventricular tachycardia includes a variety of antiarrhythmic drugs and/or catheter ablation of the abnormal focus or foci. Unifocal atrial tachycardia may respond to medication; ablation with 3-dimensional mapping technology is frequently successful. […] Collectively, the SVTs are thought to be a common reason patients visit a primary care provider or emergency department. However, these arrhythmias seldom result in inpatient admission.
#4 Atrial Tachycardia: Practice Essentials, Background, Anatomy
https://emedicine.medscape.com/article/151456-overview
In patients with structurally normal hearts, atrial tachycardia is associated with a low mortality rate. […] However, tachycardia-induced cardiomyopathies have developed in patients with persistent or frequent atrial tachycardia. Patients with underlying structural heart disease, congenital heart disease, or lung disease are less likely to be able to tolerate atrial tachycardia. Other morbidity is associated with lifestyle changes and associated symptoms. […] A study by Chung et al indicated that in patients with acute ischemic stroke and nonsustained atrial tachycardia, an enlarged left atrium is a risk factor for stroke recurrence. The study involved 252 patients, who were followed up for a mean period of 35 months. […] MAT itself is seldom life threatening. The condition is transient and resolves when the underlying condition improves. The prognosis depends on the prognosis of any comorbid disease.
#5 Atrial Tachycardia: Symptoms, Causes & Treatment
https://my.clevelandclinic.org/health/diseases/21800-atrial-tachycardia
Atrial tachycardia is a type of arrhythmia an irregular heart rhythm that causes the upper chambers (atria) of your heart to beat faster than normal. […] For most people, this condition only happens for short periods. Its not dangerous when its short-lived, and you shouldnt experience any long-term problems from it. However, when it happens for long periods, it can cause problems if you wait too long to get medical care. […] Fortunately, there are many different ways to treat atrial tachycardia. Some treatments can cure it completely. You can also keep it from returning or getting worse by avoiding things that cause it, like caffeine and recreational drugs. […] When atrial tachycardia only lasts for short periods, its not considered dangerous. However, when you have sustained atrial tachycardia or if youre in atrial tachycardia a lot of the time, it can cause a problem called cardiomyopathy, which can weaken and damage your heart. If cardiomyopathy isnt treated, it can lead to heart failure and death.
#6 Atrial Tachycardia: Symptoms, Causes & Treatment
https://my.clevelandclinic.org/health/diseases/21800-atrial-tachycardia
Atrial tachycardia is a type of arrhythmia an irregular heart rhythm that causes the upper chambers (atria) of your heart to beat faster than normal. […] For most people, this condition only happens for short periods. Its not dangerous when its short-lived, and you shouldnt experience any long-term problems from it. However, when it happens for long periods, it can cause problems if you wait too long to get medical care. […] Fortunately, there are many different ways to treat atrial tachycardia. Some treatments can cure it completely. You can also keep it from returning or getting worse by avoiding things that cause it, like caffeine and recreational drugs. […] When atrial tachycardia only lasts for short periods, its not considered dangerous. However, when you have sustained atrial tachycardia or if youre in atrial tachycardia a lot of the time, it can cause a problem called cardiomyopathy, which can weaken and damage your heart. If cardiomyopathy isnt treated, it can lead to heart failure and death.
#7 Atrial Tachycardia: Practice Essentials, Background, Anatomy
https://emedicine.medscape.com/article/151456-overview
In patients with structurally normal hearts, atrial tachycardia is associated with a low mortality rate. […] However, tachycardia-induced cardiomyopathies have developed in patients with persistent or frequent atrial tachycardia. Patients with underlying structural heart disease, congenital heart disease, or lung disease are less likely to be able to tolerate atrial tachycardia. Other morbidity is associated with lifestyle changes and associated symptoms. […] A study by Chung et al indicated that in patients with acute ischemic stroke and nonsustained atrial tachycardia, an enlarged left atrium is a risk factor for stroke recurrence. The study involved 252 patients, who were followed up for a mean period of 35 months. […] MAT itself is seldom life threatening. The condition is transient and resolves when the underlying condition improves. The prognosis depends on the prognosis of any comorbid disease.
#8 Safety and Outcomes of Catheter Ablation for Consecutive Atrial Tachycardia in Elderly Patients After Previous Cardiac Interventions
https://pmc.ncbi.nlm.nih.gov/articles/PMC11818208/
Age is a relevant risk factor for the development of atrial arrhythmias and an independent predictor of adverse cardiovascular outcomes. […] The incidence of atrial tachycardia (AT) is known to increase with aging, but so far, there are no data on elderly patients with AT. […] Therefore, we sought to assess the safety and outcomes of AT ablation in patients 75 years compared to those 75 years. […] AT ablation in patients 75 years after previous cardiac interventions in tertiary arrhythmia centers is safe and effective. […] Therefore, AT ablation should not be ruled out in elderly patients due to age alone, but should be considered based on arrhythmia burden, symptom severity and concomitant clinical and procedural risk factors. […] The main findings are that (1.) acute success and major complications do not differ significantly between patients 75 years and 75 years undergoing AT ablation and (2.) arrhythmia recurrences are comparable, but repeat ablation is less frequently performed in patients 75 years.
#9 Atrial Tachycardia: Practice Essentials, Background, Anatomy
https://emedicine.medscape.com/article/151456-overview
Many patients with MAT have significant comorbidities, especially COPD and respiratory failure, that often require treatment in an intensive care unit. Consequently, a high mortality rate (up to 45%) is associated with this arrhythmia, although the mortality is not a direct consequence of the rhythm abnormality. […] Potential complications of MAT include development of tachycardia-induced cardiomyopathy if the arrhythmia is persistent. Other complications include the following: Atrial thrombi with embolization and subsequent stroke, Myocardial infarction from incongruous myocardial supply and demand, Pulmonary emboli.
#10 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Atrial tachycardia (AT) is a prevalent cardiac arrhythmia characterized by rapid, abnormal electrical activity originating from the atria. It represents a significant clinical challenge due to its potential for recurrence, adverse cardiovascular outcomes and impact on quality of life. […] Despite advancements in techniques and technology, the success of AT ablation can vary widely among patients. Identifying prognostic factors associated with successful AT ablation and potential outcome improving techniques is imperative for optimizing patient care. […] Advancements in predictive modeling and risk stratification algorithms enable clinicians to assess the likelihood of procedural success and arrhythmia recurrence more accurately. […] The identification of novel outcome predictors for successful ablation of AT is an active area of research aimed at improving procedural efficacy and patient outcomes.
#11 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Understanding the interplay between patient demographics, comorbidities and genetic factors is essential for personalized risk stratification and treatment planning in AT ablation. Incorporating those into risk stratification algorithms and personalized treatment approaches can optimize procedural outcomes, minimize complication risks, and improve long-term arrhythmia-free survival in patients with AT. […] Markers of atrial fibrosis, inflammation and extracellular matrix remodeling, which are consistent with atrial myopathy, have emerged as potential predictors of ablation success and long-term outcomes, documented mostly in atrial fibrillation. […] Successful ablation of AT requires a multidimensional approach, incorporating patient-specific factors, arrhythmia characteristics, procedural techniques and long-term monitoring strategies. […] Precision medicine applications hold promise for improving the success and safety of atrial tachycardia ablation by individualizing treatment strategies based on patient-specific characteristics.
#12 Major adverse events and atrial tachycardia in Ebsteinâs anomaly predicted by cardiovascular magnetic resonance | Heart
https://heart.bmj.com/content/104/1/37
Patients with Ebsteins anomaly of the tricuspid valve (EA) are at risk of tachyarrhythmia, congestive heart failure and sudden cardiac death. […] CMR-derived indices carry prognostic information regarding MACE and first-onset AT among adults with unrepaired EA. […] AT preceded all but one MACE, suggesting its potential role as an early marker of adverse outcome (p=0.011). […] We showed that AT was associated with sustained VT and death during follow-up, suggesting its potential role as an early marker of adverse outcome. […] First onset of AT was best predicted by a composite of ventricular volumes and displacement of the septal tricuspid valve leaflet indexed to LV length. […] These preliminary data support incorporating CMR as a prognostic tool in the periodic assessment of patients with EA.
#13 Major adverse events and atrial tachycardia in Ebsteinâs anomaly predicted by cardiovascular magnetic resonance | Heart
https://heart.bmj.com/content/104/1/37
Patients with Ebsteins anomaly of the tricuspid valve (EA) are at risk of tachyarrhythmia, congestive heart failure and sudden cardiac death. […] CMR-derived indices carry prognostic information regarding MACE and first-onset AT among adults with unrepaired EA. […] AT preceded all but one MACE, suggesting its potential role as an early marker of adverse outcome (p=0.011). […] We showed that AT was associated with sustained VT and death during follow-up, suggesting its potential role as an early marker of adverse outcome. […] First onset of AT was best predicted by a composite of ventricular volumes and displacement of the septal tricuspid valve leaflet indexed to LV length. […] These preliminary data support incorporating CMR as a prognostic tool in the periodic assessment of patients with EA.
#14 Major adverse events and atrial tachycardia in Ebsteinâs anomaly predicted by cardiovascular magnetic resonance | Heart
https://heart.bmj.com/content/104/1/37
Patients with Ebsteins anomaly of the tricuspid valve (EA) are at risk of tachyarrhythmia, congestive heart failure and sudden cardiac death. […] CMR-derived indices carry prognostic information regarding MACE and first-onset AT among adults with unrepaired EA. […] AT preceded all but one MACE, suggesting its potential role as an early marker of adverse outcome (p=0.011). […] We showed that AT was associated with sustained VT and death during follow-up, suggesting its potential role as an early marker of adverse outcome. […] First onset of AT was best predicted by a composite of ventricular volumes and displacement of the septal tricuspid valve leaflet indexed to LV length. […] These preliminary data support incorporating CMR as a prognostic tool in the periodic assessment of patients with EA.
#15 Safety and Outcomes of Catheter Ablation for Consecutive Atrial Tachycardia in Elderly Patients After Previous Cardiac Interventions
https://pmc.ncbi.nlm.nih.gov/articles/PMC11818208/
Age is a relevant risk factor for the development of atrial arrhythmias and an independent predictor of adverse cardiovascular outcomes. […] The incidence of atrial tachycardia (AT) is known to increase with aging, but so far, there are no data on elderly patients with AT. […] Therefore, we sought to assess the safety and outcomes of AT ablation in patients 75 years compared to those 75 years. […] AT ablation in patients 75 years after previous cardiac interventions in tertiary arrhythmia centers is safe and effective. […] Therefore, AT ablation should not be ruled out in elderly patients due to age alone, but should be considered based on arrhythmia burden, symptom severity and concomitant clinical and procedural risk factors. […] The main findings are that (1.) acute success and major complications do not differ significantly between patients 75 years and 75 years undergoing AT ablation and (2.) arrhythmia recurrences are comparable, but repeat ablation is less frequently performed in patients 75 years.
#16 Safety and Outcomes of Catheter Ablation for Consecutive Atrial Tachycardia in Elderly Patients After Previous Cardiac Interventions
https://pmc.ncbi.nlm.nih.gov/articles/PMC11818208/
Age is a relevant risk factor for the development of atrial arrhythmias and an independent predictor of adverse cardiovascular outcomes. […] The incidence of atrial tachycardia (AT) is known to increase with aging, but so far, there are no data on elderly patients with AT. […] Therefore, we sought to assess the safety and outcomes of AT ablation in patients 75 years compared to those 75 years. […] AT ablation in patients 75 years after previous cardiac interventions in tertiary arrhythmia centers is safe and effective. […] Therefore, AT ablation should not be ruled out in elderly patients due to age alone, but should be considered based on arrhythmia burden, symptom severity and concomitant clinical and procedural risk factors. […] The main findings are that (1.) acute success and major complications do not differ significantly between patients 75 years and 75 years undergoing AT ablation and (2.) arrhythmia recurrences are comparable, but repeat ablation is less frequently performed in patients 75 years.
#17 Atrial Tachycardia: Practice Essentials, Background, Anatomy
https://emedicine.medscape.com/article/151456-overview
Many patients with MAT have significant comorbidities, especially COPD and respiratory failure, that often require treatment in an intensive care unit. Consequently, a high mortality rate (up to 45%) is associated with this arrhythmia, although the mortality is not a direct consequence of the rhythm abnormality. […] Potential complications of MAT include development of tachycardia-induced cardiomyopathy if the arrhythmia is persistent. Other complications include the following: Atrial thrombi with embolization and subsequent stroke, Myocardial infarction from incongruous myocardial supply and demand, Pulmonary emboli.
#18 Atrial Tachycardia: Practice Essentials, Background, Anatomy
https://emedicine.medscape.com/article/151456-overview
In patients with structurally normal hearts, atrial tachycardia is associated with a low mortality rate. […] However, tachycardia-induced cardiomyopathies have developed in patients with persistent or frequent atrial tachycardia. Patients with underlying structural heart disease, congenital heart disease, or lung disease are less likely to be able to tolerate atrial tachycardia. Other morbidity is associated with lifestyle changes and associated symptoms. […] A study by Chung et al indicated that in patients with acute ischemic stroke and nonsustained atrial tachycardia, an enlarged left atrium is a risk factor for stroke recurrence. The study involved 252 patients, who were followed up for a mean period of 35 months. […] MAT itself is seldom life threatening. The condition is transient and resolves when the underlying condition improves. The prognosis depends on the prognosis of any comorbid disease.
#19 Atrial Tachycardia – StatPearls – NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK542235/
Focal atrial tachycardia is a benign rhythm. Overall prognosis depends on conditions precipitating this arrhythmia. However, if atrial tachycardia persists, it can lead to tachycardia-induced cardiomyopathies over time. […] If there is a concern for a high burden of tachyarrhythmias, patients should undergo monitoring as an outpatient with a Holter monitor or outpatient/mobile telemetry. Medications should be adjusted as described above.
#20 Atrial Tachycardia: Symptoms, Causes & Treatment
https://my.clevelandclinic.org/health/diseases/21800-atrial-tachycardia
Atrial tachycardia is a type of arrhythmia an irregular heart rhythm that causes the upper chambers (atria) of your heart to beat faster than normal. […] For most people, this condition only happens for short periods. Its not dangerous when its short-lived, and you shouldnt experience any long-term problems from it. However, when it happens for long periods, it can cause problems if you wait too long to get medical care. […] Fortunately, there are many different ways to treat atrial tachycardia. Some treatments can cure it completely. You can also keep it from returning or getting worse by avoiding things that cause it, like caffeine and recreational drugs. […] When atrial tachycardia only lasts for short periods, its not considered dangerous. However, when you have sustained atrial tachycardia or if youre in atrial tachycardia a lot of the time, it can cause a problem called cardiomyopathy, which can weaken and damage your heart. If cardiomyopathy isnt treated, it can lead to heart failure and death.
#21 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Understanding the interplay between patient demographics, comorbidities and genetic factors is essential for personalized risk stratification and treatment planning in AT ablation. Incorporating those into risk stratification algorithms and personalized treatment approaches can optimize procedural outcomes, minimize complication risks, and improve long-term arrhythmia-free survival in patients with AT. […] Markers of atrial fibrosis, inflammation and extracellular matrix remodeling, which are consistent with atrial myopathy, have emerged as potential predictors of ablation success and long-term outcomes, documented mostly in atrial fibrillation. […] Successful ablation of AT requires a multidimensional approach, incorporating patient-specific factors, arrhythmia characteristics, procedural techniques and long-term monitoring strategies. […] Precision medicine applications hold promise for improving the success and safety of atrial tachycardia ablation by individualizing treatment strategies based on patient-specific characteristics.
#22 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Understanding the interplay between patient demographics, comorbidities and genetic factors is essential for personalized risk stratification and treatment planning in AT ablation. Incorporating those into risk stratification algorithms and personalized treatment approaches can optimize procedural outcomes, minimize complication risks, and improve long-term arrhythmia-free survival in patients with AT. […] Markers of atrial fibrosis, inflammation and extracellular matrix remodeling, which are consistent with atrial myopathy, have emerged as potential predictors of ablation success and long-term outcomes, documented mostly in atrial fibrillation. […] Successful ablation of AT requires a multidimensional approach, incorporating patient-specific factors, arrhythmia characteristics, procedural techniques and long-term monitoring strategies. […] Precision medicine applications hold promise for improving the success and safety of atrial tachycardia ablation by individualizing treatment strategies based on patient-specific characteristics.
#23 European Journal of Translational and Clinical Medicine
https://ejtcm.gumed.edu.pl/articles/190469
Understanding the interplay between patient demographics, comorbidities and genetic factors is essential for personalized risk stratification and treatment planning in AT ablation. Incorporating those into risk stratification algorithms and personalized treatment approaches can optimize procedural outcomes, minimize complication risks, and improve long-term arrhythmia-free survival in patients with AT. […] Markers of atrial fibrosis, inflammation and extracellular matrix remodeling, which are consistent with atrial myopathy, have emerged as potential predictors of ablation success and long-term outcomes, documented mostly in atrial fibrillation. […] Successful ablation of AT requires a multidimensional approach, incorporating patient-specific factors, arrhythmia characteristics, procedural techniques and long-term monitoring strategies. […] Precision medicine applications hold promise for improving the success and safety of atrial tachycardia ablation by individualizing treatment strategies based on patient-specific characteristics.
#24 Atrial Tachycardia: Diagnosis – The Cardiology Advisor
https://www.thecardiologyadvisor.com/ddi/atrial-tachycardia-diagnosis/
Prognosis depends on the underlying cause. Unifocal atrial tachycardia is usually benign in adults and may not require treatment if it is not sustained. On the other hand, incessant atrial tachycardia can contribute directly to tachycardic cardiomyopathy and reversible heart failure. The prognosis of MAT will relate in large part to underlying lung disease. Treatment for paroxysmal supraventricular tachycardia includes a variety of antiarrhythmic drugs and/or catheter ablation of the abnormal focus or foci. Unifocal atrial tachycardia may respond to medication; ablation with 3-dimensional mapping technology is frequently successful. […] Collectively, the SVTs are thought to be a common reason patients visit a primary care provider or emergency department. However, these arrhythmias seldom result in inpatient admission.
#25 Atrial Tachycardia: Diagnosis – The Cardiology Advisor
https://www.thecardiologyadvisor.com/ddi/atrial-tachycardia-diagnosis/
Prognosis depends on the underlying cause. Unifocal atrial tachycardia is usually benign in adults and may not require treatment if it is not sustained. On the other hand, incessant atrial tachycardia can contribute directly to tachycardic cardiomyopathy and reversible heart failure. The prognosis of MAT will relate in large part to underlying lung disease. Treatment for paroxysmal supraventricular tachycardia includes a variety of antiarrhythmic drugs and/or catheter ablation of the abnormal focus or foci. Unifocal atrial tachycardia may respond to medication; ablation with 3-dimensional mapping technology is frequently successful. […] Collectively, the SVTs are thought to be a common reason patients visit a primary care provider or emergency department. However, these arrhythmias seldom result in inpatient admission.