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Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
Department of Cardiovascular Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
Center for Coronary Heart Disease, Department of Cardiology, Cardiovascular Institute & Fuwai Hospital, CAMS & PUMC, National Center for Heart Disease, Beijing, China
College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
This study was supported by grants from the National Natural Science Foundation of China (No.81670294 & No.81200141 & No.81470430 & No.81770320 & No.81570291) and the Beijing Novel Program (No.2011081 & Z131103000413116).
Objective To assess long-term survival and late cardiovascular events in patients with atrial myxoma after surgical intervention. Methods Retrospective analysis of 403 patients undergoing resection of atrial myxoma from January 2002 to December 2016 was con-ducted with a median follow-up period of 4.5 (range: 0.5-15) years. Results The cross-clamp time and cardiopulmonary bypass times were 41.1 ± 21.4 and 65.2 ± 27.3 min, respectively. A diagnosis of myxoma was histopathologically confirmed in all cases. The early in-hospital mortality rate was 0.7% (n = 3). During the follow-up period, tumor recurrence occurred in six patients and cerebral infarction in nine. There were 48 (11.9%) patients with late onset atrial fibrillation (AF). By multivariate analysis, age (HR = 1.05, 95% CI: 1.02–1.09, P P = 0.012), and mitral valve surgery (HR = 1.17, 95% CI: 1.05–1.29, P = 0.027) were independent predictors of late onset AF. Twenty-one (5.2%) patients died during the follow-up period. Advanced age (HR = 1.07, 95% CI: 1.04–1.10, P = 0.003) and multiple surgical procedures (HR = 1.18, 95% CI: 1.06–1.29, P = 0.012) were significantly associated with overall mortality. Conclusions Atrial myxoma can be resected with good long-term survival. Late onset AF is common after surgery in patients with atrial myxoma. Advanced age, left atrial diameter, and mitral valve surgery were independent predictors of outcomes.