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右美托咪定用于室间隔缺损患儿体外循环肺保护的临床观察 被引量:7

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摘要 目的探讨右美托咪定在室间隔缺损体外循环后的肺保护作用。方法选择30例体外循环下行心内直视室间隔缺损修补术的患儿,随机分为右美托咪定组(D组)和对照组(C组),D组麻醉诱导后吸入2.5%七氟醚和右美托咪定0.7μg·kg-1·h-1维持麻醉,C组麻醉诱导后吸入2.5%七氟醚,分别于麻醉诱导后10 min(T0)、CPB结束时(T1)、CPB结束后1 h(T2)、CPB结束后5 h(T3)四个时间点采集患儿桡动脉血测定动脉血气。记录动脉血氧分压(PaO2)、二氧化碳分压(PCO2),计算肺功能。结果两组患者T0时的肺功能各项指标差异无统计学意义(P>0.05);两组患者各时间点与T0比较,T1、T2时两组患者的氧合指数(OI)和呼吸指数(RI)差异有统计学意义(P<0.05),且OI明显降低,RI升高;T3时两组患者的肺功能指标有所好转,但与T0时比较差异仍有统计学意义(P<0.05)。与C组比较,D组T1、T2、T3时肺功能指标均好于C组(P<0.05)。结论右美托咪定可以减轻室间隔缺损患儿体外循环后肺损伤。
出处 《中华临床医师杂志(电子版)》 CAS 2013年第14期219-220,共2页 Chinese Journal of Clinicians(Electronic Edition)
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