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压力-容积曲线与急性呼吸窘迫综合征 被引量:1

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摘要 急性呼吸窘迫综合征(ARDS)的充气相压力-容积曲线(P-V曲线)可概括为三段两点:低位平坦段,下曲点(LIP),中间陡直段,上曲点(UIP),高位平坦段。可根据P-V曲线个体化地选择PEEP(呼气末压力)和Vt(潮气量)。一般选择PEEP和PLIP,另有观点认为应根据呼气相的P-V曲线选择PEEP。UIP代表肺过度扩张的开始,应使 Vt<VLIP或Pplat<PUIP。有时在P-V曲线上不能观察到UIP,此时选择Vt,应使Pplat<35cmH2O。
作者 王燕英
出处 《国外医学(呼吸系统分册)》 2002年第3期144-145,共2页 Section of Respiratory System Foreign Medical Sciences
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