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Spectrum and features of congenital heart disease in Xi’an, China as detected using fetal echocardiography..

Author(s): Y.J. Wei1, B.M. Liu1, Y.H. Zhou1, X.H. Jia1, S.G. Mu2, X.R. Gao2, M.L. Yang2 and Y. Zhang2

This study aimed to investigate the spectrum and features of congenital heart disease (CHD) in Xi’an, China using fetal echocardiography. All pregnant women referred for fetal echocardiography underwent a systematic fetal echocardiographic examination. Each case of complex defects was diagnosed according to the predominant pathophysiology, and the overall frequency of each defect was recorded and classified according to its location in the fetal heart. CHD was diagnosed in 195 fetuses. The top 5 types of CHD were, in order, single ventricle (15.9%, 31/195), atrioventricular septal defect (12.3%, 24/195), ventricular septal defect (VSD) (11.8%, 23/195), tetralogy of Fallot (10.8%, 21/195), and double-outlet right ventricle (8.2%, 16/195). The 195 cases of CHD comprised 316 defects in total.