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首页> 外文期刊>Journal of cardiac surgery. >Beating heart valve surgery in patients with low left ventricular ejection fraction
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Beating heart valve surgery in patients with low left ventricular ejection fraction

机译：左心室射血分数低的患者的搏动性心脏瓣膜手术

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Background: Patients with very low left ventricular ejection fraction (LVEF) are at high risk for valve surgery. We herein present our experience with beating heart valve surgery in such patients. Methods: From May 2000 to October 2006, 346 consecutive patients underwent beating heart valve surgery. Of these, 50 patients had LVEF <30%: 7 had LVEF 21 to 29%, 34 had LVEF <20%, and 9 had LVEF <10%. Mean age was 57.44 ± 12.45 years (range 28 to 85 years). There were 40 males (80%) and 10 females (20%). Results: Isolated mitral valve (MV) and aortic valve replacements were performed in 11 (22%) and 10 (20%) of patients, respectively. Fourteen (28%) patients underwent combined coronary artery bypass grafting and valve replacements. MV repairs were performed; 13 (26%) patients and 2 (4%) patients had combined MV replacements and tricuspid repairs. Mean hospital stay was 15.37 ± 13.12 days (range 3 to 55 days). Overall early mortality (<30 days) was 6% (three patients) and one patient (2%) died late (>30 days). Conclusions: Beating heart valve surgery in patients with poor LVEF yields results similar to conventional surgery using cardioplegia. Additional studies are needed to fully evaluate the potential benefits of this method of myocardial perfusion for this high-risk group of patients.
机译：背景：左室射血分数（LVEF）极低的患者发生瓣膜手术的风险很高。我们在此介绍了在此类患者中进行心脏瓣膜手术的经验。方法：自2000年5月至2006年10月，连续346例患者接受了心脏瓣膜搏动手术。其中，50例LVEF <30％：7例LVEF在21％至29％，34例LVEF <20％，9例LVEF <10％。平均年龄为57.44±12.45岁（范围为28至85岁）。男40例（80％），女10例（20％）。结果：分别对11例（22％）和10例（20％）患者进行了孤立的二尖瓣（MV）和主动脉瓣置换。 14例（28％）患者接受了冠状动脉搭桥术和瓣膜置换术的联合治疗。进行了MV修复; 13例（26％）患者和2例（4％）患者进行了MV置换和三尖瓣修复。平均住院时间为15.37±13.12天（范围为3到55天）。总体早期死亡率（<30天）为6％（三名患者），一名患者（2％）死亡较晚（> 30天）。结论：LVEF差的患者进行心瓣搏动的手术产生的结果与使用心脏停搏的常规手术相似。需要更多的研究来全面评估这种高风险患者组心肌灌注方法的潜在益处。

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