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Accessory tissue tags arising from the mitral valve—an unusual cause of ventricular flow obstruction

Published online by Cambridge University Press:  19 August 2008

Vicki Knight-Mathis ,
Carol M. Cottrill  and
Robert K. Salley
Vicki Knight-Mathis
Affiliation:
From the Departments of Pediatrics and Cardiovascular and Thoracic Surgery, University of Kentucky College of Medicine, Lexington
Carol M. Cottrill*
Affiliation:
From the Departments of Pediatrics and Cardiovascular and Thoracic Surgery, University of Kentucky College of Medicine, Lexington
Robert K. Salley
Affiliation:
From the Departments of Pediatrics and Cardiovascular and Thoracic Surgery, University of Kentucky College of Medicine, Lexington
*
Dr. Carol M. Cottrill, Department of Pediatrics, University of Kentucky College of Medicine, Lexington, KY 40536-0284, USA. Tel. 606-233-5494, Fax. 606-258-5499.
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Summary

Accessory atrioventricular valvar tissue is uncommon and, on occasion, has been identified as a cause of ventricular outflow obstruction. Accessory tricuspid valvar tissue has been reported to cause subpulmonary obstruction but infrequently has accessory tissue arising from the mitral valve been associated with obstruction. This paper reports two cases of subvalvar obstruction; the first in association with a ventricular septal defect causing subaortic obstruction and the other in association with congenitally corrected transposition and a ventricular septal defect, causing subpulmonary obstruction.

Keywords

Mitral valvar duplicationventricular outflow obstructioncongenital heart diseaseaccessory valvar tissue
Type
Brief Reports
Information
Cardiology in the Young , Volume 4 , Issue 2 , April 1994 , pp. 175 - 177
Copyright
Copyright © Cambridge University Press 1994

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