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Scenes from a CFAE: Complex Fractionated Atrial Electrogram Map in a Woman with Longstanding Persistent Atrial Fibrillation Following Mechanical Mitral Valve Replacement
Abstract/OtherAbstract :
Case: A 62-year-old woman was referred for atrial fibrillation (AF) ablation. She had permanent AF for 8 years since mechanical mitral valve replacement for rheumatic heart disease. EPS: A strategy of substrate-based ablation targeting areas of complex fractionated atrial electrograms (CFAE) was pursued. These sites were identified by inspection of electrograms and verified with software-based electrogram analysis, with the left atrial roof demonstrating the highest density of CFAE sites. Successful catheter ablation was performed. The patient has remained free of recurrence over 4 months of follow-up. Discussion: This case presents a successful ablation procedure using the emerging strategy of CFAE-targeted ablative lesions. Given the patient�s permanent AF and mechanical mitral valve, the high density of CFAE sites on the left atrial roof was an unexpected finding. Analysis for CFAE sites guided the procedure in a direction that might otherwise not have been undertaken, leading to a successful ablation.
Authors :
James C. Hansen, Abraham G. Kocheril
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Publisher :  CardioFront     Type :  -     Format :  -    
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Source :
Journal of Atrial Fibrillation
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Languages :  eng    
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