Tricuspid atresia overview

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Associate Editor-In-Chief: Keri Shafer, M.D. [mailto:kshafer@bidmc.harvard.edu] Priyamvada Singh, MBBS mailto:psingh@perfuse.org

Assistant Editor-In-Chief: Kristin Feeney, B.S. mailto:kfeeney@perfuse.org

Overview
Tricuspid atresia is a form of congenital heart disease whereby the following defects are seen


 * Complete absence of the tricuspid valve
 * Absence of right atrioventricular connection.
 * Hypoplastic or an absence of the right ventricle.
 * For survival of the infant a right-to-left atrial shunt is necessary.
 * Repair of this lesion occurs in the first week of life and involves surgical palliation usually in three stages.

Other associated lesions are-


 * Ventricular septal defect,
 * Pulmonary stenosis
 * Transposition of the great arteries.