【摘 要】
：
目的探讨改良吸入CO2法实施呼吸暂停试验的安全性。方法共收集可疑脑死亡病例14例。采用传统方法（试验A）及改良吸入CO2法（试验B）实施呼吸暂停试验。改良吸入CO2法：在气管插管末端
【机 构】
：
解放军总医院第二附属医院急救部,解放军总医院第二附属医院神经内科,中南大学湘雅三医院ICU
论文部分内容阅读
目的探讨改良吸入CO2法实施呼吸暂停试验的安全性。方法共收集可疑脑死亡病例14例。采用传统方法（试验A）及改良吸入CO2法（试验B）实施呼吸暂停试验。改良吸入CO2法：在气管插管末端连接“T”型管,并分别与呼吸机管路及CO2气体管路连接。与传统方法不同,纯氧机械通气10min后不断离呼吸机,打开CO2阀门,向吸入气中混入1.5L/minCO2,1min后断开呼吸机,继续观察呼吸动作1min。于试验前、吸入纯氧后、脱机后每间隔2min（试验A）、脱机前及脱机1min后（试验B）、重新上机后5min行动脉血气
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