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Double Outlet Right Ventricle (DORV)

Double outlet right ventricle is characterised by both great vessels originating from the right ventricle. There is a ventricular septal defect in addition, providing the only outlet from the left ventricle. The Taussig-Bing complex is a special form in which the aorta originates from the right ventricle and the pulmonary artery is located far dorsally, overriding the ventricular septal defect.

Correction of the heart defect can be extraordinarily difficult in individual cases and is performed using extracorporeal circulation, possibly in deep hypothermia and circulatory arrest. It consists of intraventricular diversion of the blood from the left ventricle to the aorta using a tunnel-shaped patch, possibly after extending the VSD. If pulmonary stenosis is also present, the valve annulus may have to be extended by a transannular patch.