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Radiofrequency Ablation for Treatment of Atrial Fibrillation

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Author(s): Nasser Safaei | Hossein Montazerghaem | Rasoul Azarfarin | Azin Alizadehasl | Hossein Alikhah

Journal: BioImpacts
ISSN 2228-5652

Volume: 1;
Issue: 3;
Start page: 171;
Date: 2011;
Original page

Keywords: Radiofrequency ablation | Atrial fibrillation | Arrhythmia | Sinus rhythm

ABSTRACT
Introduction: Atrial Fibrillation (AF) is the most common cardiac arrhythmia which represents a major public health problem. The main purpose of this research is to evaluate the Radiofrequency (RF) ablation effects in the patients with chronic AF scheduled for cardiac surgery because of different heart diseases. Methods: The descriptive and prospective study was conducted on 60 patients with AF scheduled for surgery along with RF ablation. The data were collected by questionnaire and included: patients' age, sex, NYHA class, operation type, past medical history, type and cause of valvular heart disease, preoperative ECG (electrocardiogram), duration of surgery, clamping time, cardiopulmonary bypass, and RF ablation time. RF ablation was followed by the main operation. The follow up examination, ECG, and echocardiography were performed 3 and 6 months after operation. Results: The mean age of patients was 48±10 years (18-71 years). Forty one patients had permanent AF and 19 had the persistent AF. The left ventricular ejection fraction was 48.27±9.75 percent before operation, and reached to 56.27±7.87 percent after the surgery (P
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