Key result
Higher body mass index was an independent predictor of procedural failure after catheter ablation of atrial fibrillation (OR 1.11; 95% CI 1.00-1.21; P=0.03).
Why the study?
Does obesity or obstructive sleep apnea predict procedural failure after catheter ablation in patients with atrial fibrillation?
Population
109 patients with atrial fibrillation undergoing catheter ablation, mean age 60 +/- 10 years, 79% male, 67%…
Comparison
Catheter ablation of atrial fibrillation vs Normal BMI vs overweight vs obese; OSA vs no OSA
Design
Cohort
Follow-up
mean 11 +/- 4 months
Authors
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Higher BMI may predict AF ablation failure; leaves open whether weight loss improves outcomes.
Cohort (n=109)
Does obesity or obstructive sleep apnea predict procedural failure after catheter ablation in patients with atrial fibrillation?
Odds Ratio: 1.11 (95% CI 1–1.21)
p-value: p=0.03
Obesity, as measured by BMI, is an independent predictor of procedural failure following catheter ablation for atrial fibrillation.
Chilukuri et al. (2009) conducted a cohort in Atrial fibrillation (n=109). Obesity (assessed by BMI) and Obstructive Sleep Apnea vs. Normal BMI / No Obstructive Sleep Apnea was evaluated on Procedural failure (failure to achieve at least 90% reduction in AF burden after 3-month blanking period) (OR 1.11, 95% CI 1.00-1.21, p=0.03). Higher body mass index was an independent predictor of procedural failure after catheter ablation of atrial fibrillation (OR 1.11; 95% CI 1.00-1.21; P=0.03).
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