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NEJM:神经肌肉阻滞剂在早期急性呼吸窘迫综合征中的应用

2010-09-20 MedSci原创 MedSci原创

  劳伦特· 帕帕齐安等 法国URMITE附属马赛公立医院等   背景 在因急性呼吸窘迫综合征(ARDS)而接受机械通气的病人中,神经肌肉阻滞剂有可能改善氧合并减少呼吸机引发的肺损伤,但也可能引起肌无力。我们在有早期严重ARDS的病人中,评估了神经肌肉阻滞剂治疗2天后的临床转归。   方法 在这项多中心、双盲临床试验中,340例在既往48小时内因发生严重ARDS而入住重症监护病房(ICU)的

  劳伦特· 帕帕齐安等 法国URMITE附属马赛公立医院等

  背景 在因急性呼吸窘迫综合征(ARDS)而接受机械通气的病人中,神经肌肉阻滞剂有可能改善氧合并减少呼吸机引发的肺损伤,但也可能引起肌无力。我们在有早期严重ARDS的病人中,评估了神经肌肉阻滞剂治疗2天后的临床转归。

  方法 在这项多中心、双盲临床试验中,340例在既往48小时内因发生严重ARDS而入住重症监护病房(ICU)的病人,被随机分配接受48小时的苯磺顺阿曲库胺(178例病人)治疗或安慰剂(162例病人)。严重ARDS被定义为动脉氧分压(PaO2)与吸入氧分数(FiO2)之比<150,伴呼气末正压≥5 cm水柱以及潮气量为6 ~ 8 ml/kg预计体重。主要转归为出院前或入选研究后90天内死亡病人的比例(即90天院内死亡率),采用考克斯(Cox)模型校正事先规定的协变量和组间基线差异。

  结果 校正基线PaO2:FiO2和平台压以及简易急性生理学Ⅱ评分后,与安慰剂组相比,顺阿曲库胺组中90天的死亡风险比为0.68[95%可信区间(CI)为0.48 ~ 0.98,P=0.04]。粗算的90天死亡率在顺阿曲库胺组中为31.6%(95%CI为25.2 ~ 38.8),在安慰剂组中为40.7%(95%CI为33.5 ~ 48.4)(P=0.08)。28天死亡率在顺阿曲库胺组中为23.7%(95%CI为18.1 ~ 30.5),在安慰剂组中为33.3%(95%CI为26.5 ~ 40.9)(P=0.05)。两组之间的ICU获得性轻瘫发生率无显著差异。

  结论 在重度ARDS病人中,早期使用神经肌肉阻滞剂可改善经校正的90天生存率,延长呼吸机脱机时间,并且不加重肌无力。

  (N Engl J Med 2010;363:1107-16. September 16,2010)

PDF免费全文下载http://www.nejm.org/doi/pdf/10.1056/NEJMoa1005372

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    2015-09-27 kallyellisson

    At last! Someone with the insight to solve the prolebm!

    0

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    2011-05-22 zhyy88
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