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Double Outlet Right Venticle: Conventional and Fuwai Classification and Guidance for Surgical Correction

Jesmin Hossain*, Mohammad Kamrul Hassan Shabuj, Mohammad Ishtiaque Al-Manzo, Prodip Kumar Biswas, Mohammad Sharifuzzaman, Abul Kalam Shamsuddin

The Double Outlet Right Ventricle (DORV) is a complex congenital heart disease and its surgical correction is a difficult task for the surgeon. Preoperative evaluation and categorization of DORV sub types by modified fuwai criteria can give prerogative guidance to the surgeon for the reconstructive surgery of DORV. In this retrospective study we compared modified fuwai classification of DORV sub types and surgical correction of different sub types. Male gender was predominant 61%. Majority of the patient was in fuwai class IB (56.25%) and fuwai class IA (16.6%). In fuwai IB subtypes of DORV required tunnel creation, Right Ventricular Outflow Tract Obstruction release (RVOTO) and pulmonary valve repair (40%) and in class I A required left ventricle to aortic tunnel creation (15%). In IIA required VSD enlargement and tunnel creation (6%) and in type IIB required interventricular tunnel repair, pulmonary valve creation and palliative surgery (11%). Our conclusion is preoperative Fuwai classication can guide surgeon about the surgical approach in DORV.