NEJM:人工关节感染患者抗菌治疗6周还是12周?

2021-05-27 MedSci原创 MedSci原创

在经过手术治疗且经微生物学检查确认的人工关节感染的患者中,抗生素治疗6周并非劣于抗生素治疗12周,并且也不会出现不良结局患者的比例增加。

人工关节感染的处理通常包括外科手术和抗菌治疗的组合疗法。这类适应症的抗菌治疗时间尚未明确。

近日,顶级医学期刊NEJM上发表了一篇研究文章,研究人员进行了一项开放标签、随机、对照、非劣效性试验,比较了经微生物学检查证实为人工关节感染并经适当外科手术治疗的患者6周和12周抗生素治疗疗效。该研究的主要结局是在完成抗生素治疗后2年内持续感染(定义为最初致病细菌的持续感染或复发,其抗生素敏感性与入选时在表型上没有区别)。

该研究纳入了来自法国28个中心的410名患者,他们被随机分配接受抗生素治疗6周(205例)或12周(205例)。退出研究的六名患者未纳入分析。在主要分析中,排除了随访期间死亡的20例患者,而6例因随访失败而无法明确患者结局。

抗菌治疗6周和12周的结局比较

治疗6周组的193例患者中有35例(18.1%)患者以及治疗12周组的191例患者中有18例(9.4%)患者发生持续感染(风险差异为8.7个百分点; 95%置信区间为1.8至15.6);因此,没有发现非劣效性。按方案和敏感性分析也未发现非劣效性。研究人员没有发现因新的感染、可能的治疗失败或严重的不良事件而导致治疗失败的患者比例存在组间差异。

由此可见,在经过手术治疗且经微生物学检查确认的人工关节感染的患者中,抗生素治疗6周并非劣于抗生素治疗12周,并且也不会出现不良结局患者的比例增加。
 
原始出处:
 
Louis Bernard, ,et al.Antibiotic Therapy for 6 or 12 Weeks for Prosthetic Joint Infection.NEJM.2021.https://www.nejm.org/doi/full/10.1056/NEJMoa2020198

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    2021-07-26 SCI之路漫漫

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    2021-05-27 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

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