NEJM:脱菌治疗可减少MRSA携带者之间的出院后感染风险

2020-05-31 MedSci原创 MedSci原创

住院的耐甲氧西林金黄色葡萄球菌(MRSA)患者在出院后的感染风险较高。

住院的耐甲氧西林金黄色葡萄球菌(MRSA)患者在出院后的感染风险较高。

 

我们进行了一项多中心、随机对照试验,对MRSA(携带者)患者进行出院后卫生教育与教育加脱菌治疗的比较。脱菌治疗包括洗必泰漱口水、洗浴或用洗必泰沐浴或淋浴,以及每月两次鼻腔内的莫匹罗星5天,持续6个月。参与者随访1年。主要结果是根据疾病控制和预防中心(CDC)标准定义的MRSA感染。次要结果包括根据临床判断确定的MRSA感染、任何原因的感染和感染相关的住院治疗。所有分析均采用比例危害模型,在每协议人群(所有接受随机化、符合纳入标准并在招募住院后存活下来的参与者)和治疗人群(根据依从性分层的参与者)中进行。

 

结果显示,在每个协议人群中,教育组1063名参与者中有98名(9.2%)发生MRSA感染,1058名参与者中有67名(6.3%)发生MRSA感染;84.8%的MRSA感染导致住院治疗。在教育组中,23.7%的参与者和19.6%的非殖民化组中,任何原因的感染都会导致住院。与教育组相比,非殖民化组的MRSA感染的危险性明显低于教育组(危险比,0.70;95%置信区间[CI],0.52~0.96;P=0.03;预防一次感染需要治疗的人数,30;95%CI,18~230);这种较低的危险性导致MRSA感染导致住院的风险较低(危险比,0.71;95%CI,0.51~0.99)。脱菌组有更低的可能性,临床判断为任何原因的感染(危害比,0.83;95% CI,0.70至0.99)和感染相关住院(危害比,0.76;95% CI,0.62至0.93);由于缺乏对多重比较的预先调整,对次要结果的治疗效果应谨慎解释。在治疗分析中,完全遵守治疗方案的脱菌组的参与者比教育组少44%的MRSA感染(危害比,0.56; 95% CI,0.36至0.86),并且任何原因造成的感染减少40%(危害比,0.60; 95% CI,0.46至0.78)。4.2%的参与者出现了副作用(均为轻度)。

 

总之,该研究结果表明,出院后用洗必泰和莫匹罗星进行MRSA解毒后,MRSA感染风险比单纯教育低30%。

 

原始出处:

 

Susan S Huang, Raveena Singh, et al., Decolonization to Reduce Postdischarge Infection Risk Among MRSA Carriers. N Engl J Med. 2019 Feb 14;380(7):638-650. doi: 10.1056/NEJMoa1716771.

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    2020-11-23 qblt
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    2020-05-31 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

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