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[Regional left ventricular dysfunction and its association with complex ventricular arrhythmia, in chagasic patients

Flavia Vernin de Oliveira Terzi1, Aristarco Gonçalves de Siqueira Filho, Emília Matos do Nascimento

  • 1Serviço de Cardiologia, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ. fvernin@gmail.com

Revista Da Sociedade Brasileira De Medicina Tropical
|November 19, 2010
PubMed

Insights

Regional ventricular dysfunction in Chagas disease patients, even with normal ECGs, is linked to a higher risk of dangerous arrhythmias. This highlights the need for targeted monitoring in these individuals.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Biomedical Engineering

Context:

  • Chagas disease poses a significant risk of sudden cardiac death.
  • Fatal events occur even in patients without apparent heart disease but with ventricular dysfunction.
  • Identifying early markers for cardiac events is crucial for patient management.

Purpose:

  • To investigate the association between regional ventricular dysfunction and ventricular arrhythmias.
  • To assess contractile abnormalities in Chagasic patients with normal or borderline electrocardiograms.
  • To determine the predictive value of echocardiographic findings for arrhythmias.

Summary:

  • A study of 49 Chagasic patients with normal/borderline ECGs found regional ventricular dysfunction in 24.5%.
  • Complex ventricular arrhythmias were associated with contractile abnormalities and mild left ventricle dysfunction.
  • Echocardiography, exercise stress tests, and Holter monitoring were utilized.

Impact:

  • Regional contractile abnormalities with mild left ventricle dysfunction identify Chagasic patients at higher risk.
  • These findings suggest a need for specific follow-up protocols for at-risk individuals.
  • Early detection of dysfunction can guide interventions to prevent sudden cardiac death.
Abstract

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