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慢性肺心病的病因按原发疾病的不同分为三类 1.支气管、肺疾病以慢支并发阻塞性肺气肿最为多见,约为80～90％,其次为支气管扩张、支气管哮喘,重症肺结核,尘肺等所致的肺气肿及肺纤维化。其他的慢性弥慢性肺间质纤维化、结节病、嗜酸性肉芽肿,肺泡微结石症等,则较少见。 2.胸廓运动障碍性疾病较少见。严重的脊椎后、侧凸,脊椎结核,类风湿性关节炎、胸膜广泛粘连等。 3.肺血管疾病甚少见,累及肺动脉的过敏性肉芽肺病,原发性肺动脉高压症等。
The cause of chronic pulmonary heart disease is divided into three categories according to the primary disease is different 1. Bronchial, pulmonary disease with chronic bronchitis complicated with obstructive emphysema is the most common, about 80 to 90%, followed by bronchiectasis, bronchial asthma, severe Pulmonary tuberculosis, pneumoconiosis and other pulmonary emphysema and pulmonary fibrosis. Other chronic diffuse pulmonary fibrosis, sarcoidosis, eosinophilic granuloma, alveolar microlithiasis, are less common. 2. Thoracic dyskinesis disease is rare. Serious spine, scoliosis, spinal tuberculosis, rheumatoid arthritis, pleural adhesions and so on. 3. Pulmonary vascular disease is rare, involving the pulmonary arterial allergic granulomatous disease, primary pulmonary hypertension.