Common arterial trunk with intact septum and hypoplastic right ventricle: An uncommon embryological entity

Embryologically, the common arterial trunk (CAT) is due to the failure of septation by the major outflow cushions. This invariably leads to the presence of an associated large juxta-arterial ventricular septal defect. Overriding of the ventricular septum leads to its biventricular origin in more tha...

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Bibliographic Details
Published inAnnals of pediatric cardiology Vol. 13; no. 2; pp. 157 - 159
Main Authors Chikkagoudar, Kalyanraddi, Gupta, Palak, Koneti, Nageswara, Dash, Tapan, Doraiswamy, Vinoth
Format Journal Article
LanguageEnglish
Published Mumbai Wolters Kluwer India Pvt. Ltd 01.05.2020
Medknow Publications and Media Pvt. Ltd
Medknow Publications & Media Pvt. Ltd
Wolters Kluwer - Medknow
Wolters Kluwer Medknow Publications
Subjects
Case Report
common arterial trunk
Communication
ebstein's anomaly
Heart
hypoplastic right ventricle
intact ventricular septum
Intubation
Pediatric cardiology
Pulmonary arteries
Veins & arteries
Common arterial trunk
intact ventricular septum
Ebstein's anomaly
hypoplastic right ventricle
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Summary:Embryologically, the common arterial trunk (CAT) is due to the failure of septation by the major outflow cushions. This invariably leads to the presence of an associated large juxta-arterial ventricular septal defect. Overriding of the ventricular septum leads to its biventricular origin in more than 2/3rd of cases. Uncommonly, CAT may be associated with an intact ventricular septum (IVS) and univentricular origin. We describe an infant with CAT, intact IVS, hypoplastic right ventricle, and Ebstein's anomaly of the tricuspid valve who presented to us and palliated successfully. The embryological mechanisms are discussed in this report.
ISSN:0974-2069
0974-5149
DOI:10.4103/apc.APC_48_19