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Symptomatic myocardial bridges in children: a case report with review of literature

Published online by Cambridge University Press:  23 June 2011

Jayendra Sharma ,
William Hellenbrand ,
Charles Kleinman  and
Ralph Mosca
Jayendra Sharma*
Affiliation:
Division of Pediatric Cardiology, Pediatric Cardiac Surgery, Morgan Stanley Children's Hospital, New York-Presbyterian Medical Center, Columbia University, New York, NY 10032, United States of America
William Hellenbrand
Affiliation:
Division of Pediatric Cardiology, Pediatric Cardiac Surgery, Morgan Stanley Children's Hospital, New York-Presbyterian Medical Center, Columbia University, New York, NY 10032, United States of America
Charles Kleinman
Affiliation:
Division of Pediatric Cardiology, Pediatric Cardiac Surgery, Morgan Stanley Children's Hospital, New York-Presbyterian Medical Center, Columbia University, New York, NY 10032, United States of America
Ralph Mosca
Affiliation:
Department of Pediatrics, Pediatric Cardiac Surgery, Morgan Stanley Children's Hospital, New York-Presbyterian Medical Center, Columbia University, New York, NY 10032, United States of America
*
Correspondence to: Dr J. Sharma, MD, FACC, 45, Wiltshire Road, Scarsdale, NY 10583, United States of America. Tel: +1 718 206 7138; Fax: +1 718 206 7144; E-mail: jsharma@jhmc.org
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Abstract

Myocardial bridge is a rare congenital coronary anomaly in children, usually seen in the setting of hypertrophic cardiomyopathy and in left ventricular hypertrophy. Most myocardial bridges are believed to represent a benign anatomical variant; however, symptomatic myocardial bridge is a distinct subgroup of pathological variant, linked to myocardial ischaemia, ventricular arrhythmia, and sudden cardiac death. We present a case of a symptomatic myocardial bridge in a 5-year-old boy with mild hypertrophic cardiomyopathy who underwent supra-arterial myotomy, automatic defibrillator placement, and long-term Beta-blocker therapy. We also present 10 years of follow-up with a review of literature regarding symptomatic myocardial bridges in the paediatric age group.

Keywords

Hypertrophic cardiomyopathycoronary ischaemiasupra-arterial myotomysudden cardiac death
Type
Review Article
Information
Cardiology in the Young , Volume 21 , Issue 5 , 09 September 2011 , pp. 490 - 494
Copyright
Copyright © Cambridge University Press 2011

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