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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

DC-conversion of atrial fibrillation after mitral valve operation. An analysis of the long-term results

J F Hansen, E D Andersen, K H Olesen

    Scandinavian Journal of Thoracic and Cardiovascular Surgery
    |January 1, 1979
    PubMed

    Insights

    For patients with atrial fibrillation after mitral valve surgery, a duration of less than 12 months is key for maintaining sinus rhythm post-DC-conversion. This simple criterion aids patient selection for the procedure.

    Area of Science:

    • Cardiology
    • Cardiac Surgery
    • Electrophysiology

    Background:

    • Atrial fibrillation is a common complication following mitral valve surgery.
    • Maintaining sinus rhythm is crucial for optimal outcomes after cardiac surgery.
    • Predicting successful sinus rhythm restoration after DC-conversion remains challenging.

    Purpose of the Study:

    • To identify prognostic factors for sustained sinus rhythm after DC-conversion in patients with post-mitral valve surgery atrial fibrillation.
    • To evaluate the significance of clinical, radiological, hemodynamic, and operative factors.

    Main Methods:

    • Prospective study design.
    • Inclusion of 43 patients with atrial fibrillation post-mitral valve surgery.
    • Evaluation of various clinical, radiological, hemodynamic, and operative parameters.

    Main Results:

    • Atrial fibrillation duration less than 12 months was the sole significant predictor of sustained sinus rhythm at 12 months post-DC-conversion.
    • Other evaluated factors did not show statistical significance.

    Conclusions:

    • A history of atrial fibrillation for less than 12 months is a simple and significant clinical criterion for selecting patients for DC-conversion after mitral valve surgery.
    • This finding can help optimize patient selection for improved outcomes in sustained sinus rhythm.

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