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Updated: Jun 9, 2025

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Diagnosis and surgical treatment for complete atrioventricular septal defect with intact atrial septum
Erika Yuasa1, Koichi Toda1, Takaya Hoashi2
1Departments of Pediatric Cardiology, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan.
Abstract:
A six-month-old boy with Down syndrome, complete atrioventricular septal defect with intact atrial septum, and moderate left-sided atrioventricular valve regurgitation underwent surgery. The presence of a common atrioventricular junction could not be diagnosed preoperatively. Postoperative left-sided atrioventricular valve regurgitation remained mild by complete cleft closure, direct closure of incised atrial septum, and patch augmentation of the underside of septum primum.
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