HAPE is always associated with increased pulmonary artery pressure. 高山肺水肿通常与肺动脉压力增加有关。
Recently, however, they've discovered that it plays a key role in the onset of arterial pulmonary hypertensions by secreting a hormone that constricts blood vessels. 可是近来，科学家发现，单细胞可分泌一种收缩血管壁的激素导致肺动脉压力过高，这一影响不可忽视。
