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慢性支气管炎是指气管、支气管粘膜及周围组织的慢性炎症。因常发生于40岁以上的中老年人,所以人们习惯上将它称为“老慢支”。引起慢性支气管炎发生的原因比较复杂,一般来说是受某个因素长期作用或受几个因素综合作用而导致的结果。比如肺与支气管的反复感染、有害气体的长期吸入、冷空气的刺激、植物神经功能紊乱等等。值得一提的是长期吸烟与慢性支气管炎的发生密切相关,老年男性慢性支气管炎患者均有长期、大量的吸烟史。
Chronic bronchitis is the chronic inflammation of the trachea, bronchial mucosa, and surrounding tissues. Because often occurs in the elderly over the age of 40, so people customarily call it “chronic bronchitis.” Cause of chronic bronchitis causes more complicated, generally by a long-term effect of a factor or a combination of several factors result. Such as lung and bronchial infections, long-term inhalation of harmful gases, cold air stimulation, autonomic dysfunction and so on. It is worth mentioning that the long-term smoking and the occurrence of chronic bronchitis are closely related to elderly patients with chronic bronchitis have long-term, a lot of smoking history.