慢性肺原性心脏病(以下简称肺心病)是由于肺、胸廓或肺动脉的慢性病变导致肺动脉高压、右心负荷加重,造成右心室扩大或肥厚,最后发生心力衰竭的心脏病。引起肺心病的病因包括慢性支气管炎、支气管哮喘、支气管扩张、肺结核、尘肺、肺脓肿、结节病、弥漫性肺间质纤维化以及结缔组织病等肺损害;胸廓活动障碍性疾病,如广泛胸膜增厚粘连,胸廓和脊柱 Chronic pulmonary heart disease (hereinafter referred to as pulmonary heart disease) is due to pulmonary, thoracic or pulmonary chronic disease leading to pulmonary hypertension, right heart load increased, resulting in enlarged or hypertrophied right ventricle, and finally heart failure heart disease. Causes of pulmonary heart disease include chronic bronchitis, bronchial asthma, bronchiectasis, tuberculosis, pneumoconiosis, lung abscess, sarcoidosis, diffuse pulmonary fibrosis and connective tissue disease and other lung damage; thoracic activity disorders such as the widespread Pleural thickening adhesions, thorax and spine