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体外循环前空氧混合通气对紫绀型先天性心脏病患儿术后肺功能的影响 被引量:5

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摘要 目的评价体外循环前空氧混合通气对紫绀型先天性心脏病患儿术后肺功能的影响。方法将进行手术治疗的40例紫绀型先天性心脏病患儿随机分为两组各20例,分别在从气管插管到体外循环开始前吸入纯氧(P组)和空氧混合气体(M组)。两组麻醉诱导及维持用药相同,均按常规行体外循环。在麻醉诱导前(T1),体外循环前(T2),体外循环后2 h(T3)、6 h(T4)记录各项呼吸指标,抽动脉血测定血气,根据公式计算出氧合指数、呼吸指数,采用化学法测定血清过氧化物歧化酶(SOD)和丙二醛(MDA)含量,同时观察患儿术后临床指标。结果诱导前两组各项指标无统计学差异,在T2、T3、T4时点P组气道峰压、呼吸指数、MDA较M组高,氧合指数、SOD低于M组(P均<0.05)。结论紫绀型先天性心脏病患儿在体外循环前空氧混合通气可以减少机体氧自由基的产生,减轻术后肺的损伤。
作者 章征兵 明腾
机构地区 江西省儿童医院
出处 《山东医药》 CAS 2013年第1期86-88,共3页 Shandong Medical Journal
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参考文献10

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