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  • Title: Double outlet right ventricle: clinical spectrum and prognosis.
    Author: Sondheimer HM, Freedom RM, Olley PM.
    Journal: Am J Cardiol; 1977 May 04; 39(5):709-14. PubMed ID: 67796.
    Abstract:
    Patients with double outlet right ventricle can be separated into four distinct groups. In the largest (Group III), patients have a subaortic ventricular septal defect and pulmonary stenosis and clinically resemble patients with tetralogy of Fallot. In the next largest group (Group I), patients have a subpulmonry ventricular septal defect and no pulmonary stenosis and clinically resemble children with D-transposition of the great arteries and a ventricular septal defect. These patients have a high rate of coarctation of the aorta leading to early congestive heart failure, and their overall prognosis is poor. In the next largest group (Group II), patients have a subaortic ventricular septal defect and no pulmonary stenosis. Their presentation is similar to that of children with a large ventricular septal defect and pulmonary hypertension. In the smallest group (Group IV), the ventricular septal defect is uncommitted. Survivors in this group also clinically resemble children with a large ventricular septal defect and pulmonary hypertension. When present, coarctation of the aorta and severe mitral valve abnormalities greatly influence the prognosis in double outlet right ventricle. Although the prevalence of associated cardiac abnormalities is large, asplenia, polysplenia, chromosomal abnormalities and other congenital noncardiac abnormalities occur in only 12.5% of patients with double outlet right ventricle.
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