Idiopathic atrial fibrillation as a risk factor for mortality. The Paris Prospective Study I
Summary
This summary is machine-generated.Idiopathic atrial fibrillation, occurring without heart disease, was linked to significantly higher cardiovascular and total mortality in middle-aged men. This study challenges previous assumptions about its impact on lifespan.
Area Of Science
- Cardiology
- Epidemiology
- Public Health
Background
- Idiopathic atrial fibrillation (IAF) is defined as atrial fibrillation of unknown origin without underlying heart disease.
- Previous understanding suggested IAF did not significantly impact mortality rates.
- This study aimed to re-evaluate mortality risks associated with IAF using long-term follow-up data.
Purpose Of The Study
- To assess the long-term mortality associated with idiopathic atrial fibrillation in middle-aged men.
- To determine if IAF is an independent risk factor for mortality.
- To challenge the notion that IAF does not affect mortality.
Main Methods
- Analysis of the Paris Prospective Study I data, including 6722 middle-aged French men (43-52 years) with an average follow-up of 23 years.
- Strict exclusion criteria were applied to identify cases of idiopathic atrial fibrillation, excluding individuals with known cardiac disease.
- Physical examinations, ECGs, questionnaires, and blood samples were collected at baseline.
Main Results
- Twenty-five subjects were identified with idiopathic atrial fibrillation at baseline.
- IAF was associated with a 4.22-fold increased risk of cardiovascular mortality (P=0.0001) and a 1.97-fold increased risk of total mortality (P=0.01).
- IAF remained an independent risk factor for both cardiovascular and total mortality after adjusting for age, blood pressure, cholesterol, BMI, and smoking.
Conclusions
- Idiopathic atrial fibrillation is associated with significantly higher cardiovascular and total mortality in middle-aged men.
- The findings indicate that IAF is a significant independent risk factor for mortality.
- This study necessitates a re-evaluation of the prognostic implications of idiopathic atrial fibrillation.
View abstract on PubMed