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目的:总结改良Konno手术治疗6例肥厚型梗阻型心肌病及文献复习。方法:回顾性分析2003年8月至2009年1月我院6例肥厚型梗阻性心肌病,所有病人胸闷、心悸、心前区疼痛、头晕、晕厥。全部接收改良konno手术,2例同时进行二尖瓣成形术,主动脉阻断时间30～63分钟,平均为47.6分钟。体外循环时间45～96分钟,平均为74.5分钟。结果:手术顺利,无并发症出现,病人康复,平均随访2月～5年,左室流出道压差均小于20mmHg(p<0.01),症状缓解。结论:改良Konno手术能够彻底解除左室流出道梗阻,并发症较少,仍然是肥厚型梗阻性心肌病的最佳治疗方法之一。
OBJECTIVE: To summarize the 6 cases of hypertrophic obstructive cardiomyopathy treated with modified Konno surgery and literature review. Methods: Six cases of hypertrophic obstructive cardiomyopathy in our hospital from August 2003 to January 2009 were retrospectively analyzed. All patients had chest tightness, palpitations, pain in the precordial area, dizziness and syncope. All received improved konno surgery, 2 patients underwent mitral valve plasty at the same time, aorta blocking time 30 to 63 minutes, with an average of 47.6 minutes. Cardiopulmonary bypass time 45 to 96 minutes, an average of 74.5 minutes. Results: The operation was smooth and no complication occurred. The patients recovered. The average pressure drop of left ventricular outflow tract was less than 20mmHg (p <0.01) with average follow-up from 2 months to 5 years. The symptoms were relieved. Conclusion: The modified Konno operation can completely relieve the left ventricular outflow tract obstruction, with fewer complications, and is still one of the best treatment for hypertrophic obstructive cardiomyopathy.