持续气道正压通气联合环状软骨压迫法对全身麻醉诱导期无通气安全时限的影响

韩洪涛; 王亚丽; 薛刚

doi:10.7619/jcmp.201321020

持续气道正压通气联合环状软骨压迫法对全身麻醉诱导期无通气安全时限的影响

徐州医学院第二附属医院麻醉科,江苏徐州,221006

基金项目: 中国高校医学期刊临床专项资金

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中图分类号: R614
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- 发布日期: 2014-04-07

Effects of continuous positive airway pressure combined with cricoid pressure on non-ventilation safe time limit during induction of general anaesthesia

摘要

摘要: 目的观察持续气道正压通气(CPAP)联合环状软骨压迫法(CP)对全身麻醉诱导期无通气安全时限的影响.方法将40例择期行全麻手术的患者随机分为CPAP+CP组和对照组,每组20例.CPAP+ CP组采用CPAP(6 cm-H2O)联合CP法,对照组采用常规诱导插管.在吸氧2min(Tx)及血氧饱和度(SPO2)降至90％ (T90)时,采用Ⅰ-STAT血气分析仪进行血气分析,比较2组入室后(T1)、诱导后(T2)、插管后(T3)及T90时的血压和心率(HR),以及无通气安全时限和胃胀气的发生情况.结果 CPAP+ CP组的无通气安全时限显著长于对照组,差异有统计学意义.Tx时,CPAP+CP组动脉氧分压(PaO2)显著高于对照组;T90时,2组动脉二氧化碳分压(PaCO2)较Tx时明显升高,而PaO2明显降低;CPAP+ CP组在T90时PaCO2显著高于对照组,差异有统计学意义.CPAP+ CP组未发现1例胃内胀气,优良率高达100％.结论在麻醉诱导前,进行完全密闭面罩的CPAP联合CP可提高氧分压,延长无通气安全时限,防止因人工正压通气造成的胃胀气,且对循环影响小,值得临床推广应用.
- 持续气道正压通气 /
- 环状软骨压迫法 /
- 诱导期 /
- 无通气安全时限
- continuous positive airway pressure /
- cricoid pressure /
- induction period /
- non-ventilation safe time limit

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参考文献(13)

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持续气道正压通气联合环状软骨压迫法对全身麻醉诱导期无通气安全时限的影响

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Effects of continuous positive airway pressure combined with cricoid pressure on non-ventilation safe time limit during induction of general anaesthesia

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