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成比例辅助通气研究新进展

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摘要 成比例辅助通气(pAV)是一种“闭合环”智能通气模式。通气原理在于能通过设定不同比例的容量辅助(VA)与流量辅助(FA),选择性地对呼吸系统弹性阻力(Ers)与气道阻力(Rrs)进行减负,并根据患者吸气努力的大小提供与气道压成比例的压力支持,而不影响患者的自主呼吸。具有降低患者呼吸功,协调人机关系,防止肺泡过度膨胀,减少气压伤,提高机械通气质量等优点。临床应用前景良好。
作者 廖星 戴木森
出处 《医学信息》 2011年第9期2836-2839,共4页 Journal of Medical Information
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