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Arrhythmogenic Cardiomyopathy: Definition, Classification and Arrhythmic Risk Stratification

Marisa Varrenti1, Alberto Preda1, Antonio Frontera1

  • 1Electrophysiology Unit, De Gasperis Cardio Center, Niguarda Hospital, 20162 Milan, Italy.

Journal of Clinical Medicine
|January 23, 2024
PubMed

Insights

Arrhythmogenic cardiomyopathy with left ventricular involvement poses a significant risk for sudden cardiac death. Current risk scores often underestimate this danger, necessitating a review to identify key risk factors.

Area of Science:

  • Cardiology
  • Cardiac Electrophysiology
  • Cardiovascular Imaging

Background:

  • Arrhythmogenic cardiomyopathy (ACM) is a myocardial disease causing fibrosis and ventricular arrhythmias.
  • Left ventricular involvement is common in ACM and develops early.
  • Existing risk stratification scores often underestimate arrhythmic risk in ACM patients with left ventricular involvement.

Purpose of the Study:

  • To review current literature on arrhythmic risk stratification in arrhythmogenic cardiomyopathy.
  • To identify key features associated with increased arrhythmic risk in ACM patients with left ventricular involvement.

Main Methods:

  • Literature review of studies on arrhythmic risk stratification.
  • Analysis of data concerning left ventricular involvement in arrhythmogenic cardiomyopathy.
  • Synthesis of findings to identify high-risk features.

Main Results:

  • Left ventricular involvement is a significant factor in ACM arrhythmic risk.
  • Current risk stratification tools are inadequate for this patient group.
  • Specific clinical, imaging, and genetic features require further investigation for risk assessment.

Conclusions:

  • Accurate risk stratification in ACM with left ventricular involvement is crucial.
  • Further research is needed to refine risk assessment tools for these patients.
  • Improved risk stratification can guide therapeutic strategies and prevent sudden cardiac death.

Keywords:
arrhythmic riskarrhythmogenic cardiomyopathysudden death

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