NEJM:降钙素原指导能否减少下呼吸道感染患者抗菌药物的使用?

2018-06-20 王淳 环球医学

2018年5月,发表于《N Engl J Med》上的一项研究,考察了降钙素原指导下使用抗菌药物对下呼吸道感染的影响。

2018年5月,发表于《N Engl J Med》上的一项研究,考察了降钙素原指导下使用抗菌药物对下呼吸道感染的影响。

背景:降钙素原指导下使用抗菌药物对疑似下呼吸道感染的作用仍不清楚。

方法:在美国14家坚持高质量治疗肺炎措施的医院,研究者为临床医生提供了关于国家临床实践治疗下呼吸道感染的治疗建议和降钙素原检测的解读。随后,研究者将就诊于急诊的疑似下呼吸道感染但其主治医生未确定是否使用抗菌药物疗法的患者随机分配至下列两组之一:降钙素原组或常规治疗组,降钙素组为主治医生提供真实时间初始的(如果患者住院,则连续提供)降钙素原检测结果和基于降钙素原4层分级建议的抗菌药物指南。研究者假设纳入30日内,降钙素原组比常规治疗组的总体抗菌药物天数将会减少,而不良结局的患者百分比不会超过4.5%。

结果:1656名患者被纳入到最终分析队列(826名随机分配至降钙素原组,830名分配至常规治疗组),其中782名(47.2%)住院,984名(59.4%)在30日内接受抗菌药物。主治医生收到降钙素原组826名患者中792名(95.9%)的降钙素原检测结果(样品收集到检测结果的中位时间,77 min),常规治疗组830名患者中收集到18名(2.2%)。在两组中,降钙素原水平等级与急诊处方抗菌药物的决策相关。30日内,降钙素原组和常规治疗组之间的抗菌药物天数(分别平均,4.2和4.3日;差值,-0.05日;95%置信区间[CI],-0.6~0.5;P=0.87)或不良结局患者百分比(11.7%[96名患者]和13.1%[109名患者];差值,-1.5百分点;95%CI,-4.6~1.7;非劣效性P<0.001)没有明显差异。

结论:同常规治疗相比,为急诊和住院医生提供降钙素原检测结果以及其解释的说明,不会减少疑似下呼吸道感染患者的抗菌药物使用。

原始出处:

Huang DT, Yealy DM, Filbin MR, et al. Procalcitonin-Guided Use of Antibiotics for Lower Respiratory Tract Infection. N Engl J Med. 2018 May 20. doi: 10.1056/NEJMoa1802670.

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    2018-07-05 1e145228m78(暂无匿称)

    学习了.谢谢作者分享!

    0

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    2018-06-22 zhmscau
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    2018-06-22 lhlxtx
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    2018-06-21 张新亮1853311252142e2fm

    好文献学习了

    0

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