据世界卫生组织估计,慢性阻塞性肺病将在未来20年成为全球第四大人口死亡原因。该病的发病主要与吸烟和环境等因素相关,已罹患哮喘人群的发病风险较常人高达约17倍。慢性阻塞性肺病的治疗目标是改善患者的生活质量、运动耐量、睡眠状况和存活率,同时减少他们的呼吸困难、夜间症 According to the World Health Organization, chronic obstructive pulmonary disease will become the fourth leading cause of death worldwide in the next 20 years. The incidence of the disease is mainly related to factors such as smoking and the environment, has been the risk of asthma crowd than the average person up to about 17 times. The goal of treatment for chronic obstructive pulmonary disease is to improve the quality of life, exercise tolerance, sleep status and survival of patients while reducing their dyspnea, nocturnal disease