Objective To detect endothelin (ET) in plasmal of ventricular septal defect (VSD) of contenital heart disease (CHD) with pulmonary hypertension (PH) and discuss its significance.

• 目的探讨内皮素(ET)在先天性心脏病(简称先心病)室间隔缺损(简称室缺)伴肺动脉高压(简称肺高压)中的表达及其临床意义。