Why the study?
Does mitral valve repair result in spontaneous cardioversion in patients with pre-operative atrial fibrillation or sinus rhythm?
Does mitral valve repair result in spontaneous cardioversion in patients with pre-operative atrial fibrillation or sinus rhythm?
Spontaneous cardioversion to sinus rhythm at 1 year after mitral valve repair is uncommon (21%) in patients with pre-operative AF, highlighting a potential role for concomitant surgical ablation.
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Low spontaneous conversion after mitral repair in AF may support considering concomitant ablation; leaves open randomized confirmation of benefit.
Large et al. (1997) studied this question.
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