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Updated: Jul 11, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
Concealed neo-aortic incompetence and new right ventricular outflow tract obstruction after arterial switch operation
Sameh I Sersar1, Ghassan M Baslaim
1Division of Cardiothoracic Surgery, King Faisal Specialist Hospital & Research Centre, Jeddah 21499, Saudi Arabia. Sameh001@yahoo.com
Abstract:
We report a 9 year old boy who presented late with cyanosis as a case of dextro-transposition of great arteries, intact ventricular septum and left ventricular outflow tract obstruction (D-TGA/IVS/LVOTO). Arterial switch operation (ASO) with resection of sub-neo aortic membrane and repair of mitral valve were done for the naturally trained LV. On the second postoperative day, the newly discovered right ventricular outflow tract obstruction (RVOTO) was relieved and mitral valve replacement (MVR) was done for significant mixed stenotic/regurgitant mitral valve disease, and intraoperative extra-corporeal membrane oxygenation (ECMO) support was instituted for pulmonary dysfunction for 4 days. Failure of extubation warranted further assessment that revealed significant aortic incompetence (AI) during cardiac catheterisation study, which was underestimated by echocardiography. Aortic valve replacement (AVR) was done on the 11th postoperative day and he was then extubated and had uneventful hospital course in spite of two emergency procedures: drainage of sub-dural haematoma and appendectomy.
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