Clin Infect Dis:积极治疗可降低耐多药结核病治疗成功后的复发风险

2016-11-21 xing.T MedSci原创

耐多药肺结核病的长期积极治疗方案与降低的疾病复发风险相关。

来自于美国马萨诸塞州波士顿哈佛医学院全球卫生与社会医学系的Ahmad Khan F博士和来自俄罗斯莫斯科的Gelmanova IY博士及其团队在Clin Infect Dis发表了一篇研究文章,研究人员试图确定长期积极的治疗是否与治疗成功的耐多药肺结核病患者较低的复发率有关。

在该研究中,研究人员进行了一项回顾性队列研究,纳入研究的研究对象为在2000年9月至2004年11月期间开始接受个体化的抗耐多药肺结核病治疗并治疗成功的耐多药肺结核病患者。研究人员根据这些患者接受的治疗方案进行分类,其中接受积极治疗的患者是指:这些患者在强化治疗阶段包括至少5个可能有效的抗结核药物(包括二线注射类抗结核药和氟喹诺酮类药物)并在痰培养转阴后再至少进行6个月的治疗,及其在维持治疗阶段至少包括4个可能有效的抗结核药物。接受积极治疗方案的患者在痰培养转阴后治疗的最低持续时间为18个月定义为接受长期积极治疗。因未进行结核杆菌的基因分型,研究人员将患者再次患结核病当作患者肺结核病复发。治疗后,如果患者痰培养出耐多药结核杆菌或再次进行抗耐多药肺结核病治疗即视为患者再次患结核病。研究人员数据采用Cox比例风险回归进行分析。

在408例成功治疗的患者中,其中399例(97.5%)患者进行了至少有1个月后续随访,并被纳入研究。研究对象随访的中位时间为42.4个月(四分位数范围为20.5-59.5月),共有27例患者再次患结核病。在一个调整了潜在的混杂因素的多变量的全部病例分析(N=371[92.9%])中,研究者发现长期积极治疗与较低的复发率存在相关性(校正后的危险比为0.22,95%置信区间为0.05-0.92)。

由此可见,耐多药肺结核病的长期积极治疗方案与降低的疾病复发风险相关。

原始出处:

Ahmad Khan F, et al. Aggressive Regimens Reduce Risk of Recurrence After Successful Treatment of MDR-TB. Clin Infect Dis. 2016 Jul 15;63(2):214-20. 


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