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肺原性心脏病(Cor pulmonale,简称肺心病)主要是由于支气管-肺组织或肺动脉血管病变所致肺动脉高压引起的心脏病。根据起病缓急和病程长短,可分为急性和慢性两类。临床上以慢性多见。慢性肺原性心脏病(Chronic pulmonary heart disease)是由于肺、胸廓或肺动脉血管慢性病变所致的肺循环阻力增加、肺动脉高压,进而使右心肥厚、扩大,甚至发生右心衰竭的心脏病。
Cor pulmonale (pulmonary heart disease) is mainly due to pulmonary heart disease caused by bronchial-pulmonary tissue or pulmonary artery disease. According to the onset and duration of disease can be divided into acute and chronic two categories. Chronic clinical more common. Chronic pulmonary heart disease is a heart disease caused by increased pulmonary circulation resistance, pulmonary hypertension, and further hypertrophy and enlargement of the right heart caused by chronic diseases of lung, thorax or pulmonary artery.