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Updated: Jun 18, 2026
08:42
Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
[Case report: idiopathic ventricular tachycardia from the aortic sinus cusp]
Luis Carlos Tejera-Jurado1, Santiago Nava, Luis Colín-Lizalde
1Departamento de Electrocardiografía del Instituto Nacional de Cardiología Ignacio Chávez, México. luiscarlos3008@hotmail.com
Archivos De Cardiologia De Mexico
|November 12, 2009
Summary
Idiopathic ventricular tachycardia from aortic cusps is rare but treatable. Successful radiofrequency ablation offers a curative option for patients with incessant ventricular tachycardia.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Case Reports
Background:
- Idiopathic ventricular tachycardia (IVT) accounts for 10% of ventricular tachycardia cases, with diverse origins.
- Aortic cusp origin IVT is rare (0.7%), presenting distinct electrocardiographic patterns (LBBB, inferior axis).
- IVT from the aortic sinus cusp requires differentiation from right ventricular outflow tract origins.
Observation:
- This report details the first successful radiofrequency catheter ablation of IVT originating from the aortic sinus cusp in Mexico.
- The patient presented with incessant ventricular tachycardia, a challenging clinical scenario.
Findings:
- Radiofrequency catheter ablation achieved successful treatment for aortic cusp IVT.
- The procedure demonstrated high efficacy (>90%) and a low risk of serious complications (<1%).
Implications:
- Aortic cusp IVT should be considered in the differential diagnosis of ventricular tachycardia.
- Radiofrequency catheter ablation is a safe and effective first-line therapy for selected IVT patients.
- This case highlights the feasibility of successful ablation in a previously unreported region and country.
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