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先天性心脏病并肺动脉高压术后浓度递减法撤离一氧化氮的安全性探讨——附38例分析 被引量:2

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摘要 目的:探讨儿童先天性心脏病(先心痛)并肺动脉高压患儿术后应用一氧化氮对血流动力学的影响及安全撤离一氧化氮的方法。方法:38例儿童先心病并中、重度肺动脉高压术后患儿,术后立刻开始吸入一氧化氮,吸入初始浓度为20×10^-6/L,撤离时采用浓度递减法,每次减少吸入浓度5×10^-6/L,持续1h。当吸入浓度为1×10^-6-5×10^-6/L时终止吸入。结果:32例(84%)顺利撤离,终止吸入一氧化氮后30min,肺动脉平均压升高少于20%。6例(16%)出现反跳性肺动脉高压,其中5例恢复吸入一氧化氮并联合应用扩血管药物后能安全撤离,另1例发展为肺动脉高压危象,死于右心衰竭。结论:对于先心病并肺动脉高压术后患儿,采用浓度递减法撤离一氧化氮是安全有效的。但撤离后仍要密切观察,一旦出现反跳性肺动脉高压,应恢复吸入一氧化氯,并在联用扩血管药物的情况下缓慢撤离。
出处 《新医学》 北大核心 2006年第3期164-166,共3页 Journal of New Medicine
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参考文献8

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共引文献3

同被引文献11

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