Recurrent Neoaortic Insufficiency After The Switch Back Operation With Previous Repair Of Transposition With Ventricular Septal Defect And Aortic Arch Hypoplasia

WORLD JOURNAL FOR PEDIATRIC AND CONGENITAL HEART SURGERY(2015)

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摘要
Neoaortic insufficiency is not uncommon after the arterial switch operation (ASO) for d-Transposition, yet surgery is rarely required. In a patient with worsening neoaortic regurgitation post-arterial switch and ventricular septal defect (VSD) closure, we performed a successful "switch back'' operation with documented aortic valve competence on discharge echocardiography. However, recurrent severe aortic insufficiency required valve replacement, and histopathology of the excised valve indicated abnormal leaflet/vascular wall structure. We question whether the switch back operation is a viable option for neoaortic insufficiency after an ASO in patients with previous d-Transposition and VSD, when the native pulmonary valve may have structural deficiencies.
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关键词
arterial switch operation, outcomes, ventricular septal defect, aortic valve replacement
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