慢性支气管炎往往久治不愈,而且反复发作,不少老年朋友深受其害。慢性支气管炎之所以反复发作,是因为很多患者只重视抗炎治疗,而忽视了这种病常年反复发作的关键因素。“老慢支”患者气管内腺体增生肥大,分泌功能亢进,支气管黏膜上皮磷化、稀疏、脱落,支气管壁破坏、塌陷、扭曲变形或扩张,形成不可逆转的病理改变。同时患者呼吸功能也会减退,表现为气道狭窄、阻力增高、残气 Chronic bronchitis is often punctual, and repeated attacks, many elderly friends suffer. The reason why chronic bronchitis recurrent episodes, because many patients only attach importance to anti-inflammatory treatment, while ignoring the recurrence of this disease perennial key factors. “Old chronic bronchitis ” patients with endocervical gland hyperplasia and hyperthyroidism, bronchial mucosal epithelial phosphorylation, sparse, shedding, bronchial wall destruction, collapse, distortion or expansion, the formation of irreversible pathological changes. At the same time, patients with respiratory function will decline, manifested as airway stenosis, increased resistance, residual gas