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Family screening of hypertrophic cardiomyopathy in children: a case report

Family screening of hypertrophic cardiomyopathy in children: a case report BackgroundPaediatric hypertrophic cardiomyopathy (HCM) caused by sarcomere protein gene mutations is more common than previously thought. We present the case of a 9-year-old boy that was diagnosed with HCM during family screening.Case summaryWe present a case of a 9-year-old boy with a family history of sarcomeric HCM who was diagnosed with hypertrophic obstructive cardiomyopathy (HOCM) during clinical screening. Echocardiography and cardiovascular magnetic resonance imaging revealed asymmetric left ventricular hypertrophy with a maximum wall thickness of 18–19 mm. Cardiovascular magnetic resonance late gadolinium enhancement imaging showed patchy fibrosis within the area of maximum wall thickness. Genetic testing confirmed the presence of the familial mutation in the MYL2 gene. The patient was started on bisoprolol. Furthermore, risk stratification was performed and a recommendation for implantable cardioverter-defibrillator implantation was made.DiscussionThis case demonstrates that significant HCM can already start in childhood and discusses the recommendations for family screening on the basis of recently published studies and the present European Society of Cardiology guideline. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Heart Journal - Case Reports Oxford University Press

Family screening of hypertrophic cardiomyopathy in children: a case report

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References (37)

Publisher
Oxford University Press
Copyright
© The Author(s) 2022. Published by Oxford University Press on behalf of the European Society of Cardiology.
eISSN
2514-2119
DOI
10.1093/ehjcr/ytac360
Publisher site
See Article on Publisher Site

Abstract

BackgroundPaediatric hypertrophic cardiomyopathy (HCM) caused by sarcomere protein gene mutations is more common than previously thought. We present the case of a 9-year-old boy that was diagnosed with HCM during family screening.Case summaryWe present a case of a 9-year-old boy with a family history of sarcomeric HCM who was diagnosed with hypertrophic obstructive cardiomyopathy (HOCM) during clinical screening. Echocardiography and cardiovascular magnetic resonance imaging revealed asymmetric left ventricular hypertrophy with a maximum wall thickness of 18–19 mm. Cardiovascular magnetic resonance late gadolinium enhancement imaging showed patchy fibrosis within the area of maximum wall thickness. Genetic testing confirmed the presence of the familial mutation in the MYL2 gene. The patient was started on bisoprolol. Furthermore, risk stratification was performed and a recommendation for implantable cardioverter-defibrillator implantation was made.DiscussionThis case demonstrates that significant HCM can already start in childhood and discusses the recommendations for family screening on the basis of recently published studies and the present European Society of Cardiology guideline.

Journal

European Heart Journal - Case ReportsOxford University Press

Published: Sep 3, 2022

Keywords: Hypertrophic cardiomyopathy; Sarcomeric protein mutations; Childhood-onset inherited disease; Case report

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