期刊
EUROPACE
卷 21, 期 6, 页码 893-899出版社
OXFORD UNIV PRESS
DOI: 10.1093/europace/euy323
关键词
Atrial fibrillation; Thoracoscopic ablation; Maze; Outcomes
资金
- AtriCure
Aims To perform a systematic outcome analysis in order to provide cardiologists and general pactitioners with more adequate information to guide their decision making regarding rhythm control. Totally thoracoscopic maze (TTmaze) for the treatment of atrial fibrillation (AF) is recommended as a Class 2a indication mainly based on single centre studies including small patient cohorts and inconsistent lesion sets. Methods and results We studied consecutive patients undergoing TTmaze in three European referral centres (2012-15). Primary outcome was freedom from atrial tachyarrhythmia (ATA). Secondary outcomes were 30-day complications, the composite endpoint of ischaemic stroke, haemorrhagic stroke or transient ischaemic attack (TIA), all-cause mortality, and predictors of ATA recurrence. Four hundred and seventy-five patients were included, with a mean age of 619years and 69.5% male. The mean CHA(2)DS(2)-VASc score was 1.7 +/- 1.3. The overall freedom from ATA was 68.8% after a mean follow-up period of 20 +/- 9months. Freedom from ATA was 72.7% for paroxysmal AF, 68.9% for persistent AF, and 54.2% for longstanding persistent AF. Multivariate analysis revealed female gender [hazard ratio (HR): 1.87, P=0.005], in-hospital AF (HR: 1.95, P=0.040), longer duration of preoperative AF (HR: 1.06, P=0.003) and mitral regurgitation (HR: 1.84, P=0.025) as independent predictors of ATA recurrence. Overall 30-day freedom from any complication was 92.4%. Freedom from cerebrovascular events after mean follow-up of 30 +/- 16months was 98.7% and overall survival was 98.3%. The observed rate of ischaemic stroke, haemorrhagic stroke, or TIA was low (0.5 per 100 patient-years). Conclusion Totally thoracoscopic maze is a safe and effective rhythm control therapy.
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