Abstract
Introduction and objectivesAblation of auricular fibrillation (AF) by thoracoscopy or totally thoracoscopic maze (TT-MAZE) is an effective surgical treatment whose indication, in our country, is marginal. The objetive is to summarize our experience in the treatment of isolated auricular fibrillation using TT-MAZE. Material and methodAll patients who underwent a TT-MAZE between June 2018 and May 2020 were included. We analyzed the characteristics of the series, the associated complications, and survival free of auricular fibrillation. Results26 patients were included. The median age was 64.5 years (IQR 52-69) and 84.6% (n=22) were male. 46.2% (n=12) had persistent AF, 34.6% (n=9) paroxysmal, and 19.2% (n=5) persistent long-term. The median duration of auricular fibrillation was 4 years (IRQ 2-10). Fifteen patients (57.7%) had undergone previous percutaneous ablations and 6(23.1%) had ablation of the cavotricuspid isthmus. There were no conversions to median sternotomy, bleeding, or other major complications.Atrial fibrillation-free survival at 6 months was 95.45% and at one year 90.43%. 54.55% of the patients were free of anticoagulation at 6 months. ConclusionsTT-MAZE is an effective strategy for the treatment of symptomatic auricular fibrillation, with a high success rate and a limited incidence of complications.
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