常见的左向右分流先天性心脏病及发绀型先天性心脏病的病理生理，手术的意义及时机。
Pathophysiology of common left-to-right shunt congenital heart disease and cyanotic congenital heart disease; the significance and timing of surgery.
方法：选取合并重度肺动脉高压左向右分流型先天性心脏病患儿38例，于矫治手术中取肺活检。
Methods: Lung biopsies were taken in the corrective operations in 38 young children suffered from left to right shunt congenital heart defects associated with severe pulmonary hypertension.
应用推荐