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现有的证据表明,慢性阻塞性肺疾患(COPD)患者在缺乏其他心肌病的病因(例如冠心病、心瓣膜病和高血压)的情况下,可发生明湿的左心室和右心室功能障碍。据Burrows等描述,有两种类型的心血管功能障碍可见于中等严重的阻塞性气道疾患。具有“甲型” “粉红色喘息”型COPD临床特征的患者可有一种“低心输出量型”心血管功能障碍,其特征为动脉血气体相对正常,心输出量减少,肺动脉压正常到增高,肺血管阻力增高。
Available evidence suggests that patients with chronic obstructive pulmonary disease (COPD) may develop clear and wet left ventricular and right ventricular dysfunction in the absence of etiology of other cardiomyopathies (such as coronary heart disease, valvular heart disease, and hypertension) . According to Burrows et al., Two types of cardiovascular dysfunction are found in moderately severe obstructive airway disease. Patients with clinical features of “A”, “Pink Breathing” COPD may have a “low cardiac output” cardiovascular dysfunction characterized by a relatively normal arterial blood gas and reduced cardiac output , Normal pulmonary artery pressure increased, pulmonary vascular resistance increased.