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7例主动脉瘤手术的体外循环体会

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摘要 目的:总结和分析7例主动脉瘤的体外循环技术。方法:2002年7月~2005年12月该院共收治7例主动脉瘤患者,在体外循环下进行动脉瘤切除加人工血管置换术。其中男性6例,女性1例;年龄38岁~56岁,平均44.6岁。病变未累及主动脉弓的手术采用常规体外循环,累及弓部的手术采用深低温停循环(DHCA)。两组全部使用抑肽酶和血液回收装置。结果:5例病变未累及主动脉弓的手术采用常规中低温体外循环,平均体外循环时间135.5min,心肌阻断时间87.5min,5例全部痊愈出院;其余2例累及主动脉弓部的手术采用DHCA技术,其中1例为了实施脑保护在麻醉诱导后头部置冰帽并经左锁骨上动脉、左颈总动脉选择性脑灌注,体外循环时间220min,心肌阻断118min,停循环66min,痊愈出院;单纯DHCA的1例体外循环时间252min,心肌阻断150min,停循环108min,转归为植物生存状态。结论:病变未累及主动脉弓的手术采用常规体外循环具有良好的安全性,累及主动脉弓部的手术因需在DHCA下进行,为了加强脑保护可使用单独脑灌注。术前明确诊断,选择适当的体外循环技术和应有的血液保护、脑保护对提高手术的安全性具有特殊意义。
出处 《医学理论与实践》 2007年第1期43-45,共3页 The Journal of Medical Theory and Practice
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参考文献5

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