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目的探讨经皮肺穿病灶直接注药治疗复治肺结核疗效.方法将188例复治肺结核随机分为研究组和对照组,两组在常规抗结核治疗基础上,研究组采用CT定位下经皮肺部空洞内注入抗结核药.对照组在纤维支气管镜下在空洞相应支气管滴入抗结核药.分别观察痰菌阴转率、病灶吸收率和空洞闭合率.结果疗程结束时研究组痰菌阴转率、病灶吸收率和空洞闭合率均高于对照组.结论肺部空洞内注入抗结核药明显提高抗结核疗效.“,”Objective To study the wear percutaneous pulmonary lesions direct injection therapy retreatment of pulmonary tuberculosis efficacy.Method 188 cases of pulmonary tuberculosis were randomly divided into study group and control group , two groups on the basis of conventional anti-TB treatment , powerful horse injection of anti-TB drugs in the lungs empty for percutaneous CT location . Control group in the fiberoptic bronchoscopy in the corresponding empty bronchial instilation of anti-TB drugs . Were observed in the sputum conversion rate , lesion absorption rate and cavity closure rate . Result Group sputum conversion rate in the end of treatment , lesions absorption rate and cavity closure rates higher than the control . Conclusion Markedly improved anti-TB efficacy of anti-TB drugs injected into the lungs empty