• Circ Arrhythm Electrophysiol · Apr 2014

    Multicenter Study

    Effects of sex on the incidence of cardiac tamponade after catheter ablation of atrial fibrillation: results from a worldwide survey in 34 943 atrial fibrillation ablation procedures.

    • Yoav Michowitz, Michael Rahkovich, Hakan Oral, Erica S Zado, Roland Tilz, Silke John, Arnaud Denis, Luigi Di Biase, Roger A Winkle, Evgeny N Mikhaylov, Jeremy N Ruskin, Yan Yao, Mark E Josephson, Hildegard Tanner, John M Miller, Jean Champagne, Paolo Della Bella, Koichiro Kumagai, Pascal Defaye, David Luria, Dmitry S Lebedev, Andrea Natale, Pierre Jais, Gerhard Hindricks, Karl-Heinz Kuck, Francis E Marchlinski, Fred Morady, and Bernard Belhassen.
    • Circ Arrhythm Electrophysiol. 2014 Apr 1; 7 (2): 274-80.

    BackgroundCardiac tamponade is the most dramatic complication observed during atrial fibrillation (AF) ablation and the leading cause of procedure-related mortality. Female sex is a known risk factor for complications during AF ablation; however, it is unknown whether women have a higher risk of tamponade.Methods And ResultsA systematic Medline search was used to locate academic electrophysiological centers that reported cases of tamponade occurring during AF ablation. Centers were asked to provide information on cases of acute tamponade according to sex and their mode of management including any case of related mortality. Nineteen electrophysiological centers provided information on 34 943 ablation procedures involving 25 261 (72%) men. Overall, 289 (0.9%) cases of tamponade were reported: 120 (1.24%) in women and 169 (0.67%) in men (odds ratio, 1.83; P<0.001). There was a reciprocal association between center volume and the occurrence of tamponade with substantially lower risk in high-volume centers. Most cases of tamponade occurred during catheter manipulation or ablation; women tended to develop more tamponades during transseptal catheterization. No sex difference in the mode of management was observed. However, 16% cases of tamponade required surgery with lower rates in high-volume centers. Three cases of tamponade (1%) culminated in death.ConclusionsTamponade during AF ablation procedures is relatively rare. Women have an ≈2-fold higher risk for developing this complication. The risk of tamponade among women decreases substantially in high-volume centers. Surgical backup and acute management skills for treating tamponade are important in centers performing AF ablation.

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