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Original Article
Cardiology
Influence of atrial septal defect on mitral valve growth after repair of coarctation of the aorta or an interrupted aortic arch in infants
Yi-Chia Wang, Heng-Wen Chou, Chi-Hsiang Huang, Hsing-Hao Huang, Yih-Sharng Chen, En-Ting Wu, Shyh-Jye Chen, Ming-Tai Lin, Shuenn-Nan Chiu, Shu-Chien Huang
Clin Exp Pediatr. 2026;69(4):322-329.   Published online January 13, 2026
Question: Does atrial septal defect (ASD) physiology affect postrepair mitral valve growth in patients with coarctation of the aorta or an interrupted aortic arch?
Finding: Mitral valve growth occurred after biventricular repair but not single-ventricle palliation, particularly in patients with small valves and low ASD pressure gradients.
Meaning: The ASD pressure gradient determines mitral valve growth and should guide surgical strategies in patients with borderline hypoplastic left heart syndrome.
Review Article
Comprehensive understanding of atrial septal defects by imaging studies for successful transcatheter closure
Jinyoung Song
Clin Exp Pediatr. 2014;57(7):297-303.   Published online July 23, 2014

Transcatheter closure of atrial septal defects has become a popular procedure. The availability of a preprocedural imaging study is crucial for a safe and successful closure. Both the anatomy and morphology of the defect should be precisely evaluated before the procedure. Three-dimensional (3D) echocardiography and cardiac computed tomography are helpful for understanding the morphology of a defect, which is important...



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