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在海拔2 800-3 600米的天山和帕米尔地区的952个人体中(其中70％为成人),有慢性支气管炎233例,占24.5％,73例受试者有肺动脉高压的征象。这些患有慢性支气管炎的高原世居者的肺动能发生障碍,这些肺动能障碍为混合型其中以限制型为主并伴有化学感受器对二氧化碳的敏感性降低。对62例行支气管镜检查(支气管镜为奥林帕斯)表现有卡他、肥大和混合型,分别占45.2％、19.4％和19.4％。在具有肺动脉高压的慢性支气管炎患者陈氏呼吸占39.8％,晕厥占22.8％,声音嘶哑占6.5％,胸痛占13.8％同低海拔处的相同人群相比发生率明显
Of 952 individuals (70% of whom are adults) in Tianshan and Pamir regions at an altitude of 2800-3 600 meters, there are 233 cases of chronic bronchitis (24.5%) and 73 of them have signs of pulmonary hypertension. These plateau inhabitants of chronic bronchitis have impaired pulmonary motility. These pulmonary dysfunctions are mixed and the chemosensors are predominantly limited and their sensitivity to carbon dioxide is reduced. 62 cases of bronchoscopy (Bronchoscopy Olympus) showed catarrh, hypertrophy and mixed type, accounting for 45.2%, 19.4% and 19.4%. In patients with chronic bronchitis with pulmonary hypertension, Chen’s respiration accounted for 39.8%, syncope accounted for 22.8%, hoarseness accounted for 6.5%, chest pain accounted for 13.8% compared with the same population at low altitudes, the incidence was significantly