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难治性肺结核属于复治肺结核范畴,其特点是:痰菌持续或间断阳性,病灶反复恶化,病灶性质新旧混合,有广泛的纤维干酪增殖性结核病变,纤维空洞持久不愈。可发生反复咯血和自发性气胸,肺功能损害严重,最终导致肺心病的发生。这种患者本人痛苦不堪,且对健康人群威胁极大,是结核病防治工作中的难题。
Refractory tuberculosis belongs to the category of retreatment tuberculosis, which is characterized by: continuous or intermittent sputum positive, repeated deterioration of the lesion, the nature of the lesions mixed old and new, there are a wide range of proliferation of tuberculosis cheese fiber disease, fibrous cavity lasting unhealed. Repeated hemoptysis and spontaneous pneumothorax may occur, severe damage to lung function, eventually leading to the occurrence of pulmonary heart disease. The patient is in such a painful situation that he is at a tremendous threat to healthy people and is a difficult problem in tuberculosis prevention and control work.