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心脏瓣膜置换术中应用乌司他丁患者围术期粘附分子的变化

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摘要 目的评价心脏瓣膜置换术中应用乌司他丁患者围术期粘附分子的变化。方法体外循环(CPB)下择期行心脏瓣膜置换术患者26例,随机分为乌司他丁组(U组)和对照组(C组),每组13 例。U组乌司他丁剂量1.2万U·kg-1,于麻醉诱导后至劈胸骨前静脉注射半量,另半量加入预充液中经CPB机转入体内。C组用等量复方氯化钠液代替。分别于诱导后切皮前(T1)、转流20 min(T2)、主动脉开放30 min(T3)、术后4 h(T4)及24 h(T5)抽取动脉血,测定血浆肌酸激酶(CK)、肌酸激酶同工酶(CK-MB)的活性、肌钙蛋白I(cTnI)的浓度、血浆可溶性细胞间粘附分子-1(sICAM-1)及可溶性P选择素(sP-Selectin)的浓度。记录心脏复跳情况。结果与T1相比,两组CK、CK-MB、cTnI及sICAM-1、sP- Selectin水平T3-5时升高(P<0.05)。与C组比较,U组CK、CK-MB水平T5时、cTnI浓度T3-5时及sICAM-1、sP-Selectin水平T4,5时降低(P<0.05)。U组心脏自动复跳率明显高于C组(P<0.05)。结论心脏瓣膜置换术中应用乌司他丁通过降低粘附分子的表达,对心肌产生一定程度的保护作用。
出处 《中华麻醉学杂志》 CAS CSCD 北大核心 2005年第8期610-612,共3页 Chinese Journal of Anesthesiology
基金 湖南省科委资助项目(98SSY2080)
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