Abstract
Background: Complex congenital cardiac malformations rarely reported in literature Objective: Study was undertaken to define complex congenital cardiac malformations by Echocardiogram Materials and Methods: Prospective study included 101 children aged 2 to14 years, both male and female during March 2004 to February 2005 and July 2006 who attended in-patients & outpatient departments at Vyedhi Institute of Medical Sciences and Research Centre (VIMS & RC) and Sri Jayadeva Institute of Cardio-vascular Sciences and Research of Cardiology (SJICR), Bangalore, India. Clinical diagnosis was confirmed by relevant investigations and Echocardiography. Results: Complex congenital cardiac malformations presented in 16 (15.99%) of 101 children raising the total number of cardiac defects to 121. Majority 77 (76.2%) acyanotic cardiac malformations comprised of 29 (28.72%) Atrial Septal Defects (ASD) had 11 complex cardiac malformations. Three cases ASD + Partial Anomalous Pulmonary Venous Drainage (PAPVC), 2 cases ASD + Patent Ductus Arteriosus (PDA) + Mitral Valve prolapse (MVP), 2 cases ASD + Pulmonary Stenosis (PS,) 1 case ASD + PDA + PS, 1 case ASD + Ventricular Septal Defect (VSD), 1 case ASD + Coarctation of Aorta (CoA) and 1 case ASD + MVP. Next 23 (22.77%) VSD had 4 complex cardiac malformation cases, 3 cases of VSD + Aortic Stenosis (AS) of which one case had dextrocardia and 1 case VSD + PS. Followed by AS 8 (7.9%) with 1 case of AS + CoA, another case had VSD + AS. Among 24 (23.76%) cyanotic defects, TOF18 (17.8%) was the commonest, other rare variants included Double Outlet Right Ventricle (DORV) 4(3.96%) one case with dextrocardia. Pentalogy of Fallot 1 (0.99%) and Triology of Fallot 1 (0.99%). The age distribution revealed most 30(29.8%) were young children aged 2-4 years with overall male predominance Male:Female::1.3:1, observed contrasted to female predominance noted in ASD and TOF, M:F::1:2 and M:F::1:1.3 respectively Conclusion: Complex congenital cardiac malformations presented in 16(15.99%) of 101 children raising the total number of cardiac defects to 121
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