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目的：总结左房粘液瘤的外科治疗经验。方法：１９９０ 年１ 月～１９９９ 年７ 月手术治疗左房粘液瘤５６ 例，采用中低温体外循环心脏停跳下手术５３ 例，浅低温体外循环心脏跳动下手术３ 例。结果：术后均恢复顺利，未发生院内死亡及栓塞等并发症，随访２ 个月～９６ 个月，无１ 例复发。结论：左房粘液瘤一经确诊应尽早手术治疗，手术可选用常规阻断升主动脉灌注心脏停跳液在心脏停跳状态下进行手术或浅低温不阻断升主动脉在心脏跳动下手术，后者更适用于年龄大、心功能差的病例。术中需注意操作轻柔防止瘤组织脱落且需切除干净完整取出，重视对二尖瓣、三尖瓣的检查和处理。
Objective: To summarize the experience of surgical treatment of left atrial myxoma. Methods: From January 1990 to July 1999, 56 cases of left atrial myxoma were treated by surgery, 53 cases underwent hypothermia cardiopulmonary bypass with cardiac arrest, and 3 cases under mild hypothermic cardiopulmonary bypass. RESULTS: All cases recovered smoothly without complications such as in-hospital death and embolism. No follow-up occurred from 2 months to 96 months. CONCLUSIONS: Once confirmed, left atrial myxoma should be treated as soon as possible. Surgery can be performed by routinely blocking the ascending aorta and instilling cardioplegia in the state of cardiac arrest. Slight hypothermia does not block the ascending aorta from undergoing cardiac beating. The latter is more suitable for older and poorly functioning cases. During the operation, attention should be paid to the operation to prevent the tumor tissue from falling off and to be completely removed after removal. The inspection and treatment of the mitral and tricuspid valves should be emphasized.