The effect of patient sex on recurrence of atrial fibrillation following successful direct current cardioversion

Osnat T. Gurevitz, Chitra J. Varadachari, Naser M. Ammash, Joseph F. Malouf, A. Gabriela Rosales, Regina M. Herges, Charles J. Bruce, Virend K. Somers, Stephen C. Hammill, Bernard J. Gersh, Paul A. Friedman

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22 Scopus citations

Abstract

Background: The effect of patient sex on recurrence of atrial fibrillation after a successful direct current cardioversion is unknown. Methods: This prospective study included 773 patients (486 [63%] men and 287 [37%] women) undergoing successful direct current cardioversion of atrial fibrillation between May 2000 and July 2003. Patient characteristics at presentation were recorded. The primary end point was the time between cardioversion and the first documented recurrence of arrhythmia. Results: At presentation, women were older and had a higher prevalence of hypertension and valvular disease compared with men. In addition, women had worse mechanical left atrial appendage function. Arrhythmia recurrence was more prevalent in women (50.0% at 1 year compared with 43.4% in men, and 75.8% at 2 years compared with 67.0% in men; P = .03). On the basis of multivariate analysis, patient sex was a significant predictor of arrhythmia recurrence. There was no significant difference in overall mortality between men and women. Conclusions: Women were more likely than men to have recurrence of atrial fibrillation after successful direct current cardioversion. Patient sex should be taken into account with other clinical factors when making the decision about cardioversion for atrial fibrillation.

Original languageEnglish (US)
Pages (from-to)155.e9-155.e13
JournalAmerican Heart Journal
Volume152
Issue number1
DOIs
StatePublished - Jul 2006

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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    Gurevitz, O. T., Varadachari, C. J., Ammash, N. M., Malouf, J. F., Rosales, A. G., Herges, R. M., Bruce, C. J., Somers, V. K., Hammill, S. C., Gersh, B. J., & Friedman, P. A. (2006). The effect of patient sex on recurrence of atrial fibrillation following successful direct current cardioversion. American Heart Journal, 152(1), 155.e9-155.e13. https://doi.org/10.1016/j.ahj.2006.04.030