Complete transposition of great arteries with borderline tricuspid valve How small is Too Small: a case report

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ID: 316554
2026
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Abstract
Abstract Background Previous studies have mostly focused on the maintenance of left ventricular function after corrective surgery for transposition of the great arteries (TGA), with limited research on the recovery of postoperative right ventricular dysfunction. Case Presentation In April 2025, our hospital admitted a neonate with complete transposition of the great arteries complicated with ventricular septal defect (TGA/VSD) and hypoplastic right ventricle. The arterial switch operation (ASO) was performed on the 8th day after birth, followed by delayed sternal closure. The neonate developed refractory right ventricular dysfunction and was treated with inotropic agents, diuretics, anti-inflammatory agents, peritoneal dialysis support, inhaled nitric oxide (NO), and thoracic drainage. The patient recovered successfully, and follow-up echocardiography at 6 months postoperatively showed normalization of right ventricular function. Discussion We conclude that for patients with TGA/VSD, preoperative evaluation should not only focus on left ventricular development but also fully emphasize the status of right ventricular development. A borderline right ventricle is not an absolute contraindication to ASO, although it may complicate postoperative management and necessitates long-term close follow-up of right ventricular function.
Reference Key
openalex_W7164004864 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cong Chao, Pengchao Xing, Silin Pan, Rui Chen
Journal European Heart Journal - Case Reports
Year 2026
DOI
10.1093/ehjcr/ytag432
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