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Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

Clinical profile of arrhythmogenic right ventricular cardiomyopathy in Chinese patients

W H Fung1, J E Sanderson

  • 1Division of Cardiology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China.

International Journal of Cardiology
|November 3, 2001
PubMed

Insights

Arrhythmogenic right ventricular cardiomyopathy (ARVC) in Chinese patients presents with palpitations and dizziness. Magnetic resonance imaging (MRI) is the preferred diagnostic tool, with low familial incidence of sudden death observed.

Area of Science:

  • Cardiology
  • Genetics
  • Medical Imaging

Background:

  • Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a genetic heart muscle disease.
  • It primarily affects the right ventricle, leading to arrhythmias and sudden cardiac death.
  • Understanding the clinical profile in diverse populations is crucial for diagnosis and management.

Purpose of the Study:

  • To delineate the clinical characteristics of Chinese patients diagnosed with arrhythmogenic right ventricular cardiomyopathy (ARVC).
  • To evaluate the diagnostic utility of various imaging modalities, particularly MRI, in this cohort.
  • To assess the incidence of familial sudden cardiac death and left ventricular involvement in Chinese ARVC patients.

Main Methods:

  • Retrospective analysis of clinical data from Chinese patients meeting established ARVC diagnostic criteria.
  • Inclusion of data from electrocardiography (ECG), echocardiography, cardiac catheterization, MRI, and electrophysiology studies (EPS).
  • Assessment of presenting symptoms, family history, and therapeutic interventions.

Main Results:

  • Eleven Chinese patients (7 male, mean age 42.6 years) were diagnosed with ARVC.
  • Common symptoms included palpitations (73%) and dizziness (46%); 54% presented with ventricular tachycardia.
  • MRI revealed RV abnormalities in 90%, while familial sudden death incidence was low (18.1%).

Conclusions:

  • Familial incidence of premature sudden death and left ventricular involvement are uncommon in Chinese ARVC patients.
  • Magnetic resonance imaging (MRI) is highly effective for diagnosing ARVC in this population.
  • Palpitations and dizziness are frequent presenting symptoms, with ventricular tachycardia being a common arrhythmia.
Abstract

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