• Department of Ultrasound Diagnosis, the Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China;
YU Jin, Email: 6503067@zju.edu.cn
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Objective  To explore the dominant views with positive results when performing echocardiography on common congenital heart diseases (CHD) in children using the "Seven-Step Screening Method for Pediatric Echocardiography". Methods The echocardiographic data of children with atrial septal defect, patent foramen ovale, ventricular septal defect, and patent ductus arteriosus were collected from September 2021 to February 2022. The disease type distribution, view distribution, and the dominant view distribution were analyzed. Dominant view refered to the view with a high ratio of positive result images per view to the total image in each disease. Results  A total of 8 353 images of 1 633 children with common CHD were collected. There were 813 males and 820 females at age of 0-7 years. Including 3 613 images in 701 patients with atrial septal defect, 1 178 images in 206 patients with patent foramen ovale, 2 857 images in 576 patients with ventricular septal defect, and 705 images in 150 patients with patent ductus arteriosus. The dominant views of atrial septal defect were subxiphoid 2-chamber view (92.96%), subxiphoid 4-chamber view (85.61%), parasternal 4-chamber view (62.07%), and parasternal short-axis view (38.50%). The dominant views of patent foramen ovale were subxiphoid 2-chamber view (82.69%) and subxiphoid 4-chamber view (65.41%). The dominant views of ventricular septal defect were parasternal 5-chamber view (79.73%), parasternal short-axis view (79.41%), parasternal 4-chamber view (58.18%), and parasternal long-axis view (51.11%). The dominant view of patent ductus arteriosus were parasternal short-axis view (98.80%). Conclusions  The analysis of the lesion key areas of common CHD showed that there were 4 dominant views for atrial septal defect and ventricular septal defect, 2 for patent foramen ovale, and only 1 for patent ductus arteriosus. Clarifying the dominant views of common CHD were conducive to rapid and accurate diagnosis of diseases, clinical, teaching and scientific research.

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