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Updated: Dec 26, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
03:45

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model

Published on: August 8, 2022

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[Hypertrophic cardiomyopathy]

Angelika Batzner1, Hubert Seggewiß2

  • 1Deutsches Zentrum für Herzinsuffizienz, Am Schwarzenberg 15, Haus 15A, Würzburg, 97078, Deutschland.

Herz
|March 19, 2020
PubMed

Insights

Hypertrophic cardiomyopathy, a common genetic heart disease, often causes left ventricular outflow tract obstruction. Treatment involves managing symptoms, preventing sudden cardiac death with devices like ICDs, and considering septal ablation or myectomy when medications fail.

Area of Science:

  • Cardiology
  • Genetics
  • Internal Medicine

Background:

  • Hypertrophic cardiomyopathy (HCM) is the most prevalent inherited cardiac condition, affecting 0.2-0.6% of the population.
  • A key feature in 70% of patients is dynamic obstruction of the left ventricular outflow tract.
  • Symptoms vary widely and are linked to preload/afterload changes, with a significant risk of sudden cardiac death, especially in younger individuals.

Purpose of the Study:

  • To outline diagnostic and prognostic considerations for hypertrophic cardiomyopathy.
  • To discuss therapeutic strategies for symptomatic relief and sudden cardiac death prevention.
  • To review interventional treatment options when medical management is insufficient.

Main Methods:

  • Review of diagnostic measures for hypertrophic cardiomyopathy.
  • Evaluation of prognostic factors and risk stratification for sudden cardiac death.
  • Assessment of medical, interventional (septal ablation), and surgical (myectomy) treatment approaches.

Main Results:

  • Variable clinical presentation influenced by hemodynamic factors.
  • Identification of patients at high risk for sudden cardiac death warranting implantable cardioverter-defibrillator (ICD) implantation.
  • Septal ablation and surgical myectomy are effective first-line treatments when medication fails, chosen based on patient morphology and surgical expertise.

Conclusions:

  • Effective management of hypertrophic cardiomyopathy requires a multi-faceted approach.
  • Risk stratification and timely intervention, including ICDs, are crucial for preventing sudden cardiac death.
  • Interventional and surgical options provide valuable alternatives for patients with refractory symptoms.

Keywords:
MyectomyMyocardial thickeningObstructionSeptal ablationSudden cardiac death

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