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Related Experiment Videos

Angel Cueva-Parra1, Diego Neach-De La Vega1, Paola Yañez-Guerrero1

  • 1Departamento de Electrofisiología, Instituto Nacional de Cardiología «Ignacio Chávez». Mexico City, Mexico. Departamento de Electrofisiología Instituto Nacional de Cardiología «Ignacio Chávez Mexico City Mexico.

Archivos Peruanos De Cardiologia Y Cirugia Cardiovascular
|June 7, 2023
PubMed
Summary

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Catheter ablation for ventricular tachycardia in ischemic heart disease shows good acute success. Female sex and atrial fibrillation increase recurrence risk, while clinical VT presence and advanced mapping techniques offer protection.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Context:

  • Ischemic heart disease (IHD) frequently causes ventricular tachycardia (VT), a life-threatening arrhythmia.
  • Catheter ablation is a key treatment for drug-refractory VT in IHD patients.
  • Understanding recurrence factors is crucial for optimizing ablation strategies.

Purpose:

  • To evaluate the outcomes of ventricular tachycardia (VT) catheter ablation in patients with ischemic heart disease (IHD).
  • To identify predictors of VT recurrence after ablation in a Mexican cohort.

Summary:

  • This retrospective study analyzed 50 VT ablation procedures in 38 IHD patients (mean age 58.1 years).
  • The acute success rate was 82%, with a 28% recurrence rate within the study period.
Keywords:
Catheter AblationIschemic Heart DiseaseVentricular Tachycardia

Related Experiment Videos

  • Risk factors for recurrence included female sex, atrial fibrillation, electrical storm, and functional class > II. Clinical VT presence and multi-technique mapping were protective.

    • Impact:

    • The findings demonstrate the efficacy of VT ablation in IHD patients within a Mexican center.
    • Identifying specific risk factors allows for personalized patient management and improved long-term outcomes.
    • This study contributes to the global understanding of VT ablation outcomes and recurrence predictors in IHD.