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[Radiofrequency ablation of right accessory pathways]
M Viteri1, I Vergara, A M Cambón
1Departamento de Enfermedades Cardiovasculares, Pontificia Universidad Católica, Santiago, Chile.
Summary
Radiofrequency ablation effectively treats accessory pathways, a common cause of supraventricular tachycardia. This study shows a high success rate and low complication risk for accessory pathway ablation.
Area of Science:
- Electrophysiology
- Cardiology
Context:
- Accessory pathways, muscular connections between atria and ventricles, are implicated in 50% of paroxysmal supraventricular tachycardias.
- Ablation is the definitive cure for arrhythmias caused by accessory pathways.
Purpose:
- To report the clinical experience with radiofrequency ablation of right accessory pathways.
- To evaluate the efficacy and safety of accessory pathway ablation.
Summary:
- Fifty consecutive patients with right accessory pathways underwent radiofrequency ablation.
- Fifty-four accessory pathways were identified and ablated, with a success rate of 82% in the first attempt (32/39).
- Common pathway locations included posteroseptal, lateral, medioseptal, and anteroseptal.
Impact:
- Radiofrequency ablation of accessory pathways demonstrates a high success rate.
- The procedure is associated with a low rate of complications, making it a safe and effective treatment option.