在接受长期机械通风的患者中,长期T片自发呼吸试验和输出输出结果
Tsung-Ming Yang1,2, Yu-Hung Fang1,3, Chia-Hao Chang4
1Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital, Chiayi 613016, Taiwan.
对于长时间的机械通风患者,12小时的自发呼吸试验 (SBT) 与24小时的试验对于输出管成功一样有效. 在T片试验中,两种持续时间都显示出类似的输出失败,断奶和死亡率.
科学领域:
- 临界护理医学 临界护理医学
- 肺部病理学 肺部病理学
- 呼吸系统疗法 呼吸系统疗法
背景情况:
- 长时间的机械通风 (PMV) 需要自发呼吸试验 (SBT) 进行输出管.
- 在PMV患者中,T片系统是SBT的常见方法.
- 对于PMV患者来说,SBT的最佳持续时间尚不清楚.
研究的目的:
- 在PMV患者中比较12小时和24小时T片SBTs之间的输出输出结果.
- 评估SBT持续时间对输出管失败,断奶成功和医院死亡率的影响.
主要方法:
- 对于接受12小时或24小时T片SBTs的PMV患者的医疗记录的回顾性审查.
- 两个SBT持续时间组之间的输出管,断奶和医院结局的比较.
- 利用Kaplan-Meier图表和Cox比例危险模型来评估输出管的失败风险.
主要成果:
- 在12小时和24小时SBT组之间,在5天内 (26.7%与26.1%) 的输出失败率没有显著差异.
- 观察到类似的断奶率 (85%与85.5%) 和医院死亡率 (19.8%与21.8%).
- 24小时的SBT显示,在心肌梗塞或心力衰竭的患者中减少输出失败的潜在益处.
结论:
- 12小时T片SBT与24小时T片SBT在PMV患者的输出管和断奶结果方面是可比的.
- 在大多数PMV患者中,SBT持续时间可能不是整体输出成功的关键因素.
- 进一步的研究可能会探索特定的患者亚组,这些患者可能会从更长的SBT持续时间中受益.
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