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腺苷联合左卡尼汀预处理在非体外循环下冠脉旁路移植术中对2型糖尿病患者的心肌保护作用 被引量:5

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摘要 目的探讨腺苷联合左卡尼汀缺血预处理在非体外循环下冠状动脉旁路移植术中对2型糖尿病患者的心肌保护作用。方法选择因冠心病三支病变拟行择期非体外循环冠状动脉旁路移植术2型糖尿病患者40例,随机分为试验组(A组)和对照组(B组)。A组患者入手术室麻醉诱导后均给予左卡尼汀0.1 g/kg加入生理盐水溶液100 mL中心静脉输注;由中心静脉导管泵入腺苷30μg/(kg.min),每10 min增加药量5μg/(kg.min)至吻合血管前停止。B组围术期不使用腺苷及左卡尼汀,麻醉诱导后只给予与A组相同容量的生理盐水,其余处理同A组。观察各组围术期心肌酶、超氧化物歧化酶(SOD)、血浆丙二醛(MDA)、左室射血分数(LVEF)、血管活性药的使用情况,并同时记录包括ICU机械通气时间、围术期心肌梗死等数据。结果手术后72 h A组LVEF显著高于B组(P〈0.05)。与T0时比较,两组T1、T2时血浆MDA浓度升高,T1~T6时cTnI和肌酸激酶同工酶(CK-MB)活性增高,T1、T2时SOD活性降低(P〈0.05)。与B组比较,A组T1、T2时血浆MDA浓度降低,T1~T6时cTnI和CK-MB活性降低,T1、T2血浆SOD活性明显升高(P〈0.05)。结论腺苷联合左卡尼汀缺血预处理在T2DM患者非体外循环下冠状动脉旁路移植术中有一定的心肌保护作用。
出处 《中西医结合心脑血管病杂志》 2010年第11期1405-1406,共2页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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