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乌司他丁联合改良超滤对体外循环术后婴幼儿肺功能的影响及机制 被引量:3

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摘要 目的观察乌司他丁联合改良超滤对婴幼儿体外循环术后肺功能的影响,并探讨其机制。方法 60例先天性心脏病患儿,随机分为对照组(C)、乌司他丁组(U)、改良超滤组(M)和乌司他丁联合改良超滤组(D)。C组为空白对照,M、D组在转流结束后应用改良超滤,U组和D组于麻醉诱导后体外循环(CPB)前给予乌司他丁1万U/kg泵入。分别在转流前5 min(T1)、转流结束后20 min(T2)、术后2 h(T3)、术后6 h(T4)、术后12 h(T5)记录气道峰压(Ppeak)、呼吸停顿压(Ppause)、潮气量(TV)、呼吸频率(F)、吸入氧浓度(FiO2),计算肺静态顺应性(Cstat)、气道阻力(Raw)、氧合指数(OI);同时采集动脉血行血气分析,记录肺泡—动脉血氧分压差(A-aDO2),同时检测血清IL-6和IL-8。结果 T3、T4、T5时点U、M、D组Cstate均高于C组,Raw明显低于C组(P均<0.05);而T4、T5时点U、M组的Cstate低于D组、Raw高于D组(P均<0.05)。T3、T4、T5时点U、M、D组的A-aDO2均明显低于C组,OI明显高于C组(P均<0.05);T4、T5时点M、U组的A-aDO2明显高于D组,OI明显低于D组(P均<0.05)。T2、T3、T4、T5时点D、U组IL-6和IL-8明显低于M、C组(P均<0.05)。结论联合应用乌司他丁和改良超滤可明显改善婴幼儿CPB心脏直视手术后肺功能,且效果优于单用其中一种者。其机制可能与联合应用乌司他丁和改良超滤降低肺组织IL-6和IL-8释放有关。
出处 《山东医药》 CAS 2012年第6期75-77,共3页 Shandong Medical Journal
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