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活动性肺结核患者接触者中的结核病发病率

Tuberculosis incidence among contacts of active pulmonary tuberculosis
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摘要 背景:在巴西,对于潜伏结核感染(LTBI)的治疗只应用于那些接触痰菌涂阳患者、年龄小于15岁、结核菌素皮试(TST)结果≥10mm、没有接种过卡介苗(BCG)的人群以及那些无论是否接种过BCG但TST结果≥15mm的接触者。目的:评估2年发病率和不符合巴西LTBI治疗标准的结核病接触者中的一些预测指标。设计:人群回顾性研究。12~15岁接触者以及那些>15岁但不符合巴西LTBI治疗标准者进入研究范围。结果:结核病发病率为3.2%(22/667),估计结核病发病率为1649/10万;349例TST结果≥5mm接触者(5.4%)发病的危险性高于318例TST结果<5mm接触者(0.9%;RR6.04,95%CI1.7~20.6)结论:不符合巴西LTBI治疗标准的接触者中,如此高的发病率强烈建议这些标准应重新考虑。另外,即使接种过BCG的接触者,TST硬结≥5mm是唯一的可以预测在2年内发病的变量。
出处 《国际结核病与肺部疾病杂志》 2010年第4期190-195,共5页 The International Journal of Tuberculosis and Lung Disease
基金 the Conselho Nacional de Desenvolvi mento Cientíicoe Tecnológico (350543/2003-8)
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参考文献15

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