目的：探讨闭式二尖瓣扩张术后心脏瓣膜替换术的手术指征、手术方法及并发症防治。
Objective To investigate the radiologic characteristics and the influence factors after valve replacements for rheumatic heart disease.
对310例心脏瓣膜替换术的手术技术、麻醉、体外循环、心肌保护以及近期和远期死亡原因进行分析。
Discussions were carried out about the anesthesia, surgical technique, CPB, myocardial protection, early and late death causes of 310 patients who had valve replacement.
不经手术替换心脏瓣膜：世界各地的医疗设备制造商正在竞相开发可替代心脏直视手术的心瓣膜置换术。
No-surgery valve approved. Medical device makers the world over are racing to develop replacement heart valves that can be implanted without open-heart surgery (Harvard Heart Letter, November 2008).
不经手术替换心脏瓣膜：世界各地的医疗设备制造商正在竞相开发可替代心脏直视手术的心瓣膜置换术。
No-surgery valve approved. Medical device makers the world over are racing to develop replacement heart valves that can be implanted without open-heart surgery (Harvard Heart Letter, November 2008).
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