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Related Experiment Videos

[Permanent AV junction (Coumel type) reciprocal tachycardia].

D A Rodríguez1, F Rosas, L A Jumbo

  • 1Departamento de Electrofisiología y Marcapasos, Fundación Clínica A. Shaio, Bogotá, Colombia. diegoand@yahoo.com

Archivos De Cardiologia De Mexico
|September 22, 2001
PubMed
Summary

Permanent auriculo-ventricular junctional reciprocating tachycardia (AVJRT) is an infrequent arrhythmia, often affecting women and linked to reversible heart dysfunction. Radiofrequency ablation is a successful treatment for this condition.

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Area of Science:

  • Electrophysiology
  • Cardiology
  • Cardiac Arrhythmias

Context:

  • Permanent auriculo-ventricular junctional reciprocating tachycardia (AVJRT) is a rare tachycardia, typically incessant and linked to slow retrograde conduction pathways.
  • Understanding the clinical profile and treatment outcomes of AVJRT is crucial for effective patient management.

Purpose:

  • To characterize the clinical and electrophysiological features of patients diagnosed with permanent AVJRT.
  • To evaluate the efficacy of therapeutic interventions, particularly radiofrequency ablation, for permanent AVJRT.

Summary:

  • A study of nine patients with permanent AVJRT revealed a predominant demographic of women with symptoms like dyspnea and palpitations.
  • The most common accessory pathway location was right postero-septal (77.7%). Radiofrequency ablation achieved an 87.5% success rate, with significant improvement in left ventricular function observed in affected patients.

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  • Surgical treatment was successful in two cases, including one after failed ablation.

    • Impact:

    • This study highlights permanent AVJRT as an uncommon arrhythmia associated with reversible left ventricular dysfunction, emphasizing the efficacy of radiofrequency ablation.
    • Findings underscore the importance of early diagnosis and intervention for patients with AVJRT to improve cardiac function and prevent recurrence.