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肺动脉高压(Pulmonary Arterial Hypertension,PAH)是以肺血管阻力进行性升高为主要特征,进而右心室肥厚扩张的一类恶性心脏血管性疾病。慢性血栓栓塞性肺动脉高压(Chronic Yhromboembolic Pulmonary Hypertension,CTEPH)为肺动脉高压的一种类型,是急性肺栓塞或肺动脉原位血栓形成的长期后果,由于血栓不能完全溶解,进而机化、纤维化,使得肺动脉内膜因慢性炎症刺激而逐渐增
Pulmonary Arterial Hypertension (Pulmonary Arterial Hypertension, PAH) is a type of malignant cardiovascular disease characterized by the progressive increase of pulmonary vascular resistance as the main feature, and thus the expansion of right ventricular hypertrophy. Chronic Yhromboembolic Pulmonary Hypertension (CTEPH), a type of pulmonary hypertension, is a long-term consequence of acute pulmonary embolism or native pulmonary thrombosis. Since thrombus can not be completely dissolved, further fibrosis can be induced Pulmonary artery intima gradually increased due to chronic inflammatory stimuli