肺动脉高压是一种心脏、肺脏及血管系统发生严重病变的疾病,是一些先天性心血管疾病和慢性肺部疾病最常见的并发症,以肺血管重构和血管阻力进行性增高为特征;血流动力学主要是应用流体力学理论和方法研究血液流动、血管生理和病理之间关系的一门边缘性学科,从力学角度看,血流动 Pulmonary hypertension is a disease of the heart, lung and vascular system that is severely diseased and is the most common complication of some congenital cardiovascular diseases and chronic lung disease characterized by progressive pulmonary vascular remodeling and vascular resistance; Flow mechanics is mainly an application of fluid mechanics theory and methods of blood flow, vascular physiology and pathological relationship between a marginal discipline, from a mechanical point of view, blood flow