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盐酸戊乙奎醚对小儿体外循环后肺保护作用的研究 被引量:1

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摘要 目的:通过观察不同剂量盐酸戊乙奎醚对小儿先心病肺动脉高压体外循环(CPB)后细胞园子释放及肺功能的影响,探讨其可能存在的肺保护机制。方法:ASAⅡ-Ⅲ级的45例先心病(房缺或室缺)患儿,随机分为盐酸戊乙奎醚组(I组,n=17)和(Ⅱ组,n=16)、对照组(C组,n=12)。Ⅰ、Ⅱ组静脉穿刺成功后分别注射盐酸戊乙奎醚0.01mg/kg、0.04mg/kg,C组注同体积生理盐水。记录诱导和术中气道峰压。分别于麻醉诱导后、主动脉开放后30min、2h、24h采集动脉血,应用酶联免疫吸附试验法测定血浆肿瘤坏死因子(TNF—d)、基质金属蛋白酶-9(MMP-9)的含量。结果:Ⅱ组气道峰压在体外循环(CPB)前后无变化。CPB后患儿TNF—α、MMP-9生成明显增加,Ⅱ组在主动脉开放30min、24h两时点MMP-9、TNF-α的水平均较C组明显降低(P〈0.05)。结论:CPB前应用0.04mg/kg盐酸戊乙奎醚能有效抑制细胞因子TNF-α、MMP-9的释放,减轻CPB后急性肺损伤,具有一定的肺保护作用。
出处 《医学信息(下旬刊)》 2010年第3期88-89,共2页 Medical information
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