Electrophysiological and Hemodynamic Characteristics Associated With Obesity in Patients With Atrial Fibrillation

Atrial Fibrillation Thursday, August 23rd, 2012

American College of Cardiology Foundation: 8/28/12
The authors sought to characterize the left atrial (LA) and pulmonary vein (PV) electrophysiological and hemodynamic features in obese patients with atrial fibrillation (AF).

Background  Obesity is associated with increased risk for AF.

Methods  A total of 63 consecutive patients with AF who had normal left ventricular (LV) ejection fraction and who underwent catheter ablation were studied. Atrial and PV electrophysiological studies were performed at the time of ablation with hemodynamic assessment by cardiac catheterization, and LA/LV structure and function by echocardiography. Patients were compared on the basis of body mass index (BMI): <25 kg/m2 (n = 19) and BMI ≥30 kg/m2 (n = 44). Read More

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