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<正>高原性肺动脉高压(high altitude pulmonary hypertension,HAPH)是一类以高海拔地域特性而发生肺动脉压(pulmonary arterial pressure,PAP)进行性升高为特点的肺血管疾病。肺动脉高压(pulmonary hypertension,PH)以肺血管阻力(pulmonary vascular resistance,PVR)升高为特征,进而