Chronic Bronchitis 慢性支氣管炎

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The disease is a chronic inflammation of bronchi due to infection, physical and chemical irritations and allergic agents.

The majority of the patients are of over middle age. It is characterized by chronic course and recurrent episodes.

In some chronic cases, the disease may progress to chronic obstructive emphysema and chronic pulmonary heart disease. Main points of diagnosis:

1 Long-term cough, sputum production and dyspnea which attack repeatedly and flunctuate are worse in autumn and winter. There may be fever, exacerbation of cough and mucopurulent sputum production, and dyspnea is more marked if acute concurrent infection is present.

2 Chronic bronchitis usually persists for many years. It can be classified into 3 stages, acute rpisodic stage, chronic persistent stage and clinically remissive stage.

The last stage may last for a period of time and an attack may be induced by infection or catching a cold, the disease can be divided into simple chronic bronchitis and chronic asthmatic bronchitis. In the former, cough and sputum production are predominant.

In the latter, in addition to the above symptoms, there are dyspnea and wheezing, indicating that the spasm of the smooth muscles of bronchi and bronchioli is an important pathogenetic factor.


慢性支氣管炎是由于支氣管感染,物理和化學因素刺激或過敏所致的慢性支氣管炎症.

患者以中年以上居多.臨床上以病情遲延,反復發作為其特點,久病者常引起慢性阻塞性肺氣腫和慢性肺心病. 診斷要點:

1 長期反復發作的咳嗽,咳痰和喘息,病情時輕時重,秋冬季發作頻繁.合併急性感染者可有發熱,咳嗽加劇,咳膿性和粘性痰,喘息症狀明顯加重.

2慢性支氣管炎常遲延多年不愈.其病程臨床上可分為急性發作階段,慢性遲延階段和臨床緩解階段.

后者可持續一段時間,又可因感染或受涼等因素而誘發.根據臨床發病特點,又可分為單純性支氣管炎和慢性喘息性支氣管炎.

前者以咳嗽,咳痰為主要表現,后者還加上喘息症狀,併常聞及哮鳴音,提示支氣管和細支氣管平滑肌痙攣是發病主因.


慢性支气管炎是由于支气管感染,物理和化学因素刺激或过敏所致的慢性支气管炎症.

患者以中年以上居多.临床上以病情迟延,反复发作为其特点,久病者常引起慢性阻塞性肺气肿和慢性肺心病.诊断要点:

1长期反复发作的咳嗽,咳痰和喘息,病情时轻时重,秋冬季发作频繁.合并急性感染者可有发热,咳嗽加剧,咳脓性和粘性痰,喘息症状明显加重.

2慢性支气管炎常迟延多年不愈.其病程临床上可分为急性发作阶段,慢性迟延阶段和临床缓解阶段.

后者可持续一段时间,又可因感染或受凉等因素而诱发.根据临床发病特点,又可分为单纯性支气管炎和慢性喘息性支气管炎.

前者以咳嗽,咳痰为主要表现,后者还加上喘息症状,并常闻及哮鸣音,提示支气管和细支气管平滑肌痉挛是发病主因.












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