Intensive Care Med:多层面教育干预的抗感染措施对脓毒症死亡率有无影响?

2017-11-17 安雅晶 环球医学

发表在《Intensive Care Med》的一项由德国、瑞士、加拿大等国科学家进行的群随机试验,考察了抗感染措施多层面教育干预对脓毒症死亡率的影响。

发表在《Intensive Care Med》的一项由德国、瑞士、加拿大等国科学家进行的群随机试验,考察了抗感染措施多层面教育干预对脓毒症死亡率的影响。

目的:指南推荐脓毒症识别1小时内使用抗菌药,但此推荐仍未得到随机试验的检验。本试验旨在考察遵守指南推荐的多层面干预的缩短抗菌药初始使用前时间是否改善生存率。

方法:MEDUSA研究是一项前瞻性、多中心、群随机试验,2011年7月至2013年7月在德国40家医院进行。这些医院被分配为接受常规连续医学教育(CME)(对照组)或多层面干预,包括质量改进小组、教学延伸、审计、反馈和提醒。研究者纳入意向治疗分析中的4183例严重脓毒症或脓毒性休克患者,比较多层面干预(n=2596)与常规CME(n=1587)。主要结局为28天死亡率。

结果:干预组的28天死亡率为35.1%(883/2596),对照组的28天死亡率为26.7%(403/1587)。由于从研究开始就存在差异,且不受干预影响,干预措施不是死亡的风险因素。干预组的抗菌药治疗的中位时间为1.5 h(四分位差 0.1~4.9 h),对照组为2.0 h(0.4~5.9 h;p=0.41)。抗菌药治疗每延迟1小时,死亡风险增加2%,感染源控制每延迟1小时,死亡风险增加1%,独立于小组分配。

结论:抗菌药治疗和感染源控制的延迟与死亡率增加相关,但此情况下,多层面方法不能改变抗生素治疗时间,也不影响生存率。

原始出处:
Bloos F, Rüddel H, Thomas-Rüddel D,et al.Effect of a multifaceted educational intervention for anti-infectious measures on sepsis mortality: a cluster randomized trial.Intensive Care Med. 2017 May 2. doi: 10.1007/s00134-017-4782-4. [Epub ahead of print]

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    2017-11-19 一叶知秋
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    2017-11-17 zwjnj2

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