Key result
Intraoperative radiofrequency ablation during mitral valve surgery resulted in 76% of surviving patients remaining in sinus rhythm at a mean follow-up of 20 months.
Why the study?
Does intraoperative radiofrequency ablation restore sinus rhythm in patients with mitral valve disease and long-standing atrial fibrillation undergoing open-heart surgery?
Observational (n=72)
Does intraoperative radiofrequency ablation restore sinus rhythm in patients with mitral valve disease and long-standing atrial fibrillation undergoing open-heart surgery?
Intraoperative radiofrequency ablation during mitral valve surgery is an effective, less invasive alternative to the traditional maze procedure for restoring sinus rhythm in patients with long-standing atrial fibrillation.
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May support feasibility during mitral valve surgery; leaves open need for RCTs before wider adoption.
Sie et al. (2001) conducted an observational in Mitral valve disease and atrial fibrillation (n=72). Intraoperative radiofrequency ablation (modified maze procedure) was evaluated on Sinus rhythm at follow-up. Intraoperative radiofrequency ablation during mitral valve surgery resulted in 76% of surviving patients remaining in sinus rhythm at a mean follow-up of 20 months.
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