Hypertrophic cardiomyopathy

Jeffrey A Towbin1

  • 1The Heart Center, Division of Pediatric Cardiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA. Jeffrey.towbin@cchmc.org

Insights

Hypertrophic cardiomyopathy (HCM) is a common inherited heart disorder. Childhood HCM presents with varied etiologies, influencing diagnosis and outcomes differently than adult forms.

Area of Science:

  • Cardiology
  • Genetics
  • Pediatrics

Background:

  • Hypertrophic cardiomyopathy (HCM) is a prevalent inherited cardiac disorder affecting 1 in 500 young adults.
  • It is characterized by significant myocardial wall thickening.
  • HCM is a leading cause of sudden cardiac death in young athletes.

Purpose of the Study:

  • To review the clinical impacts of inherited hypertrophic cardiomyopathy.
  • To discuss underlying etiologies and diverse clinical presentations.
  • To differentiate childhood and adult forms of HCM based on literature and clinical experience.

Main Methods:

  • Literature review and clinical experience synthesis.
  • Analysis of morphologic, functional, and clinical features.
  • Comparison of disease presentation across different age groups.

Main Results:

  • In infants (<1 year), hypertrophy with systolic dysfunction is common.
  • In young adults, HCM prevalence is 0.2%, often with diastolic dysfunction.
  • Childhood HCM can present with overlapping disorders, complicating diagnosis and treatment.

Conclusions:

  • Childhood hypertrophic cardiomyopathy (HCM) arises from diverse etiologies.
  • These varied causes impact diagnostic approaches.
  • Etiologies significantly influence treatment strategies and patient outcomes in pediatric HCM.
Abstract

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