Lung dysfunction is one of the major complications in open-heart surgery of cardiopulmonary bypass.With the maturity of myocardium protection technique, lung protection has always been the focus.

• 肺损伤是体外循环心内直视手术的主要并发症之一,随着心肌保护技术的日益成熟,肺保护成为近年的研究热点。