新生儿及婴儿心脏小,术野暴露困难,其心肌组织发育尚未成熟,手术操作动作过大或轻微的失误,易引发组织的损伤。采用深低温停循环(deep hypothermic circulatory arrest,DHCA)可提供一个静止、无血和无障碍的手术野,便于在婴幼儿的小心腔内进行复杂畸形的修复。此法可明显缩短体 Newborns and infants, small heart, surgical field exposure difficulties, the development of myocardial tissue is not yet mature, surgical operation is too large or minor errors, easy to cause tissue damage. The use of deep hypothermic circulatory arrest (DHCA) provides a static, blood-free and accessible surgical field for complex deformities in the delicate cavities of infants and young children. This method can significantly shorten the body