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Case Reports in Pediatrics
Volume 2017 (2017), Article ID 4303298, 3 pages
https://doi.org/10.1155/2017/4303298
Case Report

An Unusual Mechanism of Closure of Muscular Ventricular Septal Defects

1Department of Pediatrics, University of Texas Medical Branch, Galveston, TX 77555, USA
2Department of Pediatric Cardiology, University of Texas Medical Branch, Galveston, TX 77555, USA

Correspondence should be addressed to Soham Dasgupta; moc.liamg@mahosatpugsad

Received 12 June 2017; Accepted 17 September 2017; Published 10 October 2017

Academic Editor: Larry A. Rhodes

Copyright © 2017 Soham Dasgupta and Ashraf M. Aly. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Ventricular septal defects (VSDs) are the most common congenital heart defects. Most of the small or moderate size (<6 mm) muscular VSDs close spontaneously within the first two years of life. The usual mechanism of spontaneous closure involves muscular tissue encroachment with superimposed fibrosis or primary fibrous tissue formation around the margins of the defect. We describe an unusual mechanism of spontaneous closure of a muscular VSD.