Fig. 1From: Feasibility and effectiveness of prone position ventilation technique for postoperative acute lung injury in infants with congenital heart disease: study protocol for a prospective randomized studyFlow chart providing an overview of important trial steps. First, understand the research situation and methods of this study at home and abroad through the literature, and then conduct a pre-test, correct the research deviation through the pre-test, and randomly group according to the allowance standard, determine the intervention group and the control group, and conduct data collection. Entry and statistical analysisBack to article page