期刊
EUROPEAN HEART JOURNAL
卷 34, 期 8, 页码 597-604出版社
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehs423
关键词
Carvedilol; N-acetyl cysteine; Atrial fibrillation
Aims Carvedilol and N-acetyl cysteine (NAC) have antioxidant and anti-inflammatory properties. Aim was to evaluate the efficacy of metoprolol, carvedilol, and carvedilol plus NAC on the prevention of post-operative atrial fibrillation (POAF). Methods and results Patients undergoing cardiac surgery (n = 311) were randomized to metoprolol, carvedilol, or carvedilol plus NAC. Baseline characteristics were similar. The incidence of POAF was lower in the carvedilol plus NAC group compared with the metoprolol group (P < 0.0001) or the carvedilol group (P = 0.03). There was a borderline significance for lower POAF rates in the carvedilol group compared with the metoprolol group (P = 0.06). Duration of hospitalization was lower in the carvedilol plus NAC group compared to the metoprolol group (P = 0.004). Multivariate independent predictors of POAF included left-atrial diameter, hypertension, bypass duration, pre-randomization and pre-operative heart rates, carvedilol plus NAC group vs. metoprolol group, and carvedilol plus NAC group vs. carvedilol group. Conclusion Carvedilol plus NAC decreased POAF incidence and duration of hospitalization compared with metoprolol and decreased POAF incidence compared with carvedilol.
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