四岁内小儿先天性心脏病外科治疗易定华杨景学刘维永汪钢刘建平王伟宪王红兵徐鹏赵荣婴幼儿先天性心脏病（先心病）的外科治疗由于患儿体重轻及其病理生理特点，在体外循环中心肌保护、手术技术和围术期肺部并发症的防治等方面均具有特殊性和复杂性，尤其是合并肺动脉高压... Surgical treatment of congenital heart disease in children within 4 years Yi Dinghua, Yang Jingxue, Liu Weiyong, Wang Gang, Liu Jianping, Wang Weixian, Wang Hongbing, Xu Peng, Zhao Rongying Surgical treatment of congenital heart disease (congenital heart disease) in infants Due to the light weight of the infant and its pathophysiological characteristics, Cardiopulmonary bypass cardioprotection, surgical techniques and perioperative prevention and treatment of pulmonary complications and so has particularity and complexity, especially with pulmonary hypertension ...