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Published on: February 26, 2013
Prognostic value of the presence and development of atrial fibrillation in patients with advanced chronic heart
H J Crijns1, G Tjeerdsma, P J de Kam
1Department of Cardiology/Thoraxcenter, University Hospital Groningen, Groningen, The Netherlands.
In advanced chronic heart failure patients, atrial fibrillation (AF) presence or development did not independently predict poorer prognosis. Associated factors, not AF itself, likely explain higher mortality in AF patients.
Area of Science:
- Cardiology
- Heart Failure Research
- Arrhythmia Studies
Background:
- Atrial fibrillation (AF) is common in chronic heart failure (CHF).
- The prognostic impact of AF in advanced CHF remains debated.
- Understanding AF's role is crucial for CHF management.
Purpose of the Study:
- To investigate if AF presence or development impacts prognosis in advanced CHF.
- To compare outcomes between CHF patients with and without AF.
- To determine if AF is an independent predictor of mortality in CHF.
Main Methods:
- A cohort of 409 patients with moderate to severe CHF was analyzed.
- Patients were categorized into sinus rhythm (SR) and AF groups.
- Follow-up averaged 3.4 years, with mortality as the primary endpoint.
Main Results:
- Unadjusted analysis showed higher mortality in AF patients (60% vs. 47%).
- After adjusting for prognostic variables (age, LVEF, NYHA class, etc.), AF was not linked to increased mortality.
- New-onset AF in previously SR patients did not alter mortality rates.
Conclusions:
- AF is not an independent predictor of adverse outcomes in advanced CHF.
- Higher mortality in AF patients is likely due to confounding factors.
- Current data do not support AF as a sole driver of poor prognosis in this population.
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