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La banda fibromuscular ventricular izquierda no es un sustrato específico para la taquicardia ventricular izquierda
1Department of Medicine, Chang Gung Memorial Hospital, Chang Gung Medical College, Taipei, Taiwan.
Circulation
|February 1, 1996
Resumen
Una banda fibromuscular en el ventrículo izquierdo no es específica de la taquicardia ventricular izquierda idiopática. Este hallazgo sugiere que la banda no es la única causa de este trastorno del ritmo cardíaco.
Área de la Ciencia:
- Cardiología Cardiología.
- Electrofisiología Cardíaca Electrofisiología cardíaca.
- Imágenes médicas de imágenes médicas.
Sus antecedentes:
- La taquicardia ventricular izquierda idiopática (ILVT) es una arritmia vinculada a una banda fibromuscular en el ventrículo izquierdo.
- El papel específico de esta banda fibromuscular como sustrato anatómico para la ILVT requiere más investigación.
Objetivo del estudio:
- Evaluar sistemáticamente si una banda fibromuscular es un sustrato específico para la taquicardia ventricular izquierda idiopática (ILVT).
- Para comparar la prevalencia de bandas fibromusculares en pacientes con y sin TILV.
Principales métodos:
- 18 pacientes con ILVT y 40 pacientes de control con taquicardia supraventricular paroxística se sometieron a ecocardiografía transtorácica y transesofágica.
- Se utilizó la ecocardiografía para detectar bandas fibromusculares en el ventrículo izquierdo.
- La ablación por radiofrecuencia se realizó en pacientes con ILVT.
Principales resultados:
- Se detectó una banda fibromuscular en 17 de 18 pacientes con ILVT y en 35 de 40 pacientes de control.
- La prevalencia de las bandas fibromusculares no difería significativamente entre los dos grupos.
- La ablación por radiofrecuencia eliminó con éxito la taquicardia en todos los pacientes con ILVT.
Conclusiones:
- La presencia de una banda fibromuscular ventricular izquierda no es un sustrato anatómico específico para la taquicardia ventricular izquierda idiopática.
- Esto sugiere que otros factores pueden contribuir al desarrollo de ILVT.
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