Home›Cardiology› Mortality Risk Factors in Atrial Fibrillation: Umbrella Review Findings
Mortality Risk Factors in Atrial Fibrillation: Umbrella Review FindingsSpecific risk factors linked to higher death rates in atrial fibrillation
Frontiers in MedicinePublished October 13, 2026DOI ↗Editorial oversight: Dr. Amelia Tan, PhD · Internal Medicine & Chronic Disease
AI-generated summary of the cited source, checked by automated accuracy review.
How we work
Share
Key Takeaway
Eighty-six of 216 risk factors, including several medications and comorbidities, were significantly associated with mortality in atrial fibrillation.
An umbrella review of systematic reviews and meta-analyses examined risk factors for mortality in patients with atrial fibrillation. The review assessed 216 candidate factors spanning medications, comorbidities, and demographic characteristics.
Eighty-six risk factors showed statistically significant associations with mortality, while 130 did not. Medications associated with increased mortality included digoxin, dronedarone, sotalol, and warfarin or vitamin K antagonists compared with non-vitamin K oral anticoagulants.
Comorbidities and demographic factors linked to higher mortality included cancer, COPD, diabetes, anemia, frailty, left ventricular hypertrophy, peripheral artery disease, older age, smoking, and body mass index.
Using GRADE assessment, 11 significant factors were rated high quality and 9 were rated moderate quality. The review did not report effect sizes, confidence intervals, or p-values for the associations.
These findings are associative and do not establish causation. The review did not report funding sources, conflicts of interest, or practice relevance. Clinicians should interpret the mortality and frailty signals with caution given the observational nature of the included evidence.
How this fits prior evidence
Prior coverage has focused on procedural and monitoring strategies in atrial fibrillation, including vascular closure devices, superior vena cava isolation, transseptal puncture technique, extended rhythm monitoring, and remote ischemic preconditioning. This umbrella review shifts attention to a broad set of mortality-associated risk factors, extending prior evidence by synthesizing associations across medications, comorbidities, and demographics. It does not confirm or contrast with the specific procedural findings previously covered, but it addresses a gap by mapping the wider risk factor landscape for mortality in AF.
Living with atrial fibrillation, an irregular and often rapid heart rate, comes with various risks. A large review of existing research looked at what factors actually lead to higher mortality for these patients. The goal was to separate common traits from the specific risks that matter most for survival.
Researchers identified 86 different risk factors. Among these, several specific medications and conditions showed a significant link to increased mortality. These included drugs like digoxin, dronedarone, and sotalol, as well as warfarin when compared to newer options like NOACs. Other factors included chronic conditions like cancer, COPD, and diabetes, along with physical factors like older age, smoking, and frailty.
While the data shows clear associations, it is important to remember that these are links, not certain causes. The study highlights specific areas where patients and doctors can focus their attention. Because every patient is unique, you should talk to your doctor to see how these specific risk factors apply to your personal health plan.
What this means for you:
Certain medications and conditions like COPD or older age are linked to higher mortality in atrial fibrillation.
Common questions
Which medications are linked to higher mortality in atrial fibrillation?
The study found that several medications were associated with increased mortality for patients with atrial fibrillation. These include digoxin, dronedarone, and sotalol. Additionally, the use of warfarin was associated with higher mortality when compared to NOACs.
What health conditions increase risk for atrial fibrillation patients?
Several conditions were linked to higher mortality in patients with atrial fibrillation. These include cancer, COPD, diabetes, anemia, frailty, and peripheral artery disease. Other factors like older age, smoking, and a high BMI also showed significant associations with increased mortality.
How many risk factors were found in the study?
The review examined 216 different risk factors. Out of those, 86 risk factors showed a significant association with mortality, while 130 did not show a significant association.
BackgroundThis study synthesized published meta-analyses to assess the quality, bias, and strength of evidence regarding mortality risk factors in patients with atrial fibrillation (AF).MethodsWeb of Science, Embase, PubMed, and Cochrane database were used to search the literature up to May 2025. Eligible studies were systematic reviews or meta-analyses investigating AF-related mortality risk factors. AMSTAR tool was used to assess methodological quality and GRADE was used to evaluate evidence certainty.ResultsA total of 216 risk factors were identified. Among them, 86 showed significant associations with mortality, while 130 did not. Based on GRADE ratings, 11 were high-quality significant factors, and 9 were of moderate-quality. Factors linked to increased mortality included certain medications (digoxin, dronedarone, sotalol; warfarin/VKA vs. NOAC was associated with higher mortality), comorbidities (cancer, COPD, diabetes, anemia, frailty, LVH, peripheral artery disease), demographic characteristics (older age, smoking, BMI
