Crit Care:自主呼吸试验(SBT)指导拔管,真的有用吗?

2017-07-31 MedSci MedSci原创

众所周知,自主呼吸试验(SBT)是气管插管患者拔管的重要指标,然而对SBT指导下的拔管成功率和其他重要的临床结果的了解却少之又少

众所周知,自主呼吸试验(SBT)是气管插管患者拔管的重要指标,然而对SBT指导下的拔管成功率和其他重要的临床结果的了解却少之又少

我们检索了MEDLINE、EMBASE、CINAHL、循证医学综述库、Ovid健康之星、五大会议流程(1990-2016)和参考文献列表,对SBT试验在成人和儿童拔管结果进行比对。主要结果是通过SBT试验、拔管成功、再插管。由两名审评员独立筛选引用文献、评估试验质量、提取数据。

共确定了31个试验(N=3541例)纳入研究分析。中等质量的证据表明,与T管治疗的患者(9 trials,n=1901)相比,使用压力支持(PS)模式的患者首次通过SBT试验成功率较大(RR 1,95% CI 0.89-1.11;I2=77%),最终拔管成功比例也较大(RR 1.06,95% CI 1.02-1.10;11 trials,N=1904;I2= 0%)。其中有一项试验有不同的结果:与T管治疗的患者相比,使用压力支持的患者SBT试验成功率更高(RR 1.06,95% CI 1.01-1.12;I2=0%)。还有试验显示,自动插管补偿(ATC)加上持续气道正压通气(CPAP)模式与单独使用CPAP或PS相比较,可以增加SBT通过率,但却不能增加拔管成功率,但是此方面文献量过少,证据不足。

与T管治疗患者相比,使用PS模式患者以SBT判定似乎拔管成功率更高些,但是仍然存在结果不统一的试验结果,有6%的患者(95% CI 1-12%)通过SBT,但却拔管失败。所以未来的研究应更进一步探讨SBT和拔管结果的相关性,同时最大限度的支持不同患者和呼吸机模式之间的差异性。

原始出处:

Burns KEA1,2,3, Soliman I1,2, et al. Trials directly comparing alternative spontaneous breathing trial techniques: a systematic review and meta-analysis. Crit Care. 2017 Jun 1;21(1):127. doi: 10.1186/s13054-017-1698-x.

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    2017-08-02 steven_u4
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    2017-08-01 184****9840

    学习了受益匪浅

    0

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    2017-07-31 1771f693e6m

    很有用 ,拜读

    0