Arrhythmogenic right ventricular cardiomyopathy: an update on pathophysiology, genetics, diagnosis, and risk

M Paul1, T Wichter, L Fabritz

  • 1Division of Cardiology, Department of Cardiovascular Medicine, University Hospital Münster, Albert-Schweitzer-Campus 1 (Gebäude A1), 48149, Münster, Germany. Matthias.Paul@ukmuenster.de

Insights

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart condition causing dangerous arrhythmias and sudden death. Genetic factors are key, but diagnosis and prognosis remain challenging.

Area of Science:

  • Cardiology
  • Genetics
  • Inherited Diseases

Background:

  • Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited cardiomyopathy linked to sudden cardiac death in young individuals.
  • Mutations in desmosomal genes are recognized as primary causes of ARVC.
  • Genetic heterogeneity and variable clinical presentation complicate prognostic assessments.

Purpose of the Study:

  • To provide a comprehensive review of the current literature on ARVC.
  • To discuss the pathogenesis, diagnosis, treatment, and prognosis of ARVC.
  • To highlight potential future developments in ARVC research and management.

Main Methods:

  • Literature review of scientific articles on ARVC.
  • Analysis of current diagnostic criteria and risk stratification methods.
  • Synthesis of information on genetic factors and clinical manifestations.

Main Results:

  • Desmosomal gene mutations are established causes of ARVC.
  • Despite advancements, underdiagnosis and misdiagnosis of ARVC persist.
  • Established diagnostic criteria (WHO 1995, modified 2010) aid in ARVC identification.

Conclusions:

  • ARVC diagnosis and prognosis remain challenging due to genetic complexity and variable expression.
  • Accurate diagnosis and risk stratification are crucial for managing ARVC patients.
  • Ongoing research is vital for improving understanding and treatment of ARVC.

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