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Related Experiment Videos

[Programmed left ventricular stimulation in non-sustained ventricular arrhythmias].

A Kossaify1, A Belin, G Grollier

  • 1CHU de Caen, service de cardiologie, avenue Côte de Nacre, 14000 Caen.

Archives Des Maladies Du Coeur Et Des Vaisseaux
|February 7, 2002
PubMed
Summary

Programmed ventricular stimulation (PVS) can identify patients with nonsustained ventricular arrhythmia (NSVA) at high risk for sudden cardiac death. Ventricular late potentials correlate with PVS inducibility, guiding risk stratification and treatment selection.

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Sudden Cardiac Death

Context:

  • Nonsustained ventricular arrhythmia (NSVA) is a known risk factor for sudden cardiac death.
  • Programmed ventricular stimulation (PVS) is a diagnostic tool used in patients with NSVA.
  • The predictive value of PVS and its correlation with other cardiac parameters require further investigation.

Purpose:

  • To evaluate the correlation between PVS inducibility and ventricular late potentials, ejection fraction, arrhythmia grade, and cardiopathy in NSVA patients.
  • To assess the clinical utility of PVS in managing patients with NSVA.
  • To identify subgroups at high risk for sudden death and guide therapeutic strategies.

Summary:

  • A study of 98 patients with NSVA found a significant correlation between ventricular late potentials and PVS inducibility (NPV=91%, p=0.03).

Related Experiment Videos

  • No significant correlation was observed between PVS inducibility and ejection fraction, arrhythmia grade, or underlying cardiopathy.
  • PVS identified a high-risk subgroup among patients with ischemic cardiomyopathy, aiding in the selection of effective antiarrhythmic therapies.

    • Impact:

    • PVS is valuable for risk stratification in NSVA patients, particularly those with ischemic cardiomyopathy.
    • For non-inducible patients, especially those with low ejection fraction, optimal treatment remains uncertain, suggesting a role for implantable cardioverter-defibrillators.
    • This study aids in optimizing treatment strategies to prevent sudden cardiac death in patients with ventricular arrhythmias.