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2002, Número 4

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Arch Cardiol Mex 2002; 72 (4)


Valvuloplastía mitral. Comparación de la técnica de doble balón versus técnica de un solo balón “Nucleus”

Ángeles-Valdés J, Uruchurtu CE, Gómez CÁ

Idioma: Español
Referencias bibliográficas: 32
Paginas: 290-296
Archivo PDF: 159.95 Kb.


RESUMEN

La estenosis mitral pura requiere de manejo mecánico una vez que su orificio disminuye a valores críticos. Iniciamos la valvuloplastía mitral en 1994 con técnica de doble balón y desde 1996 con un solo balón tipo “Nucleus”, presentamos los resultados inmediatos y comparativos entre ambas técnicas. Incluimos 31 pacientes distribuidos en 2 grupos similares: el Grupo A (doble balón) de 15 pacientes, Wilkins promedio de 7.13 ± .80, área valvular mitral prevalvuloplastía de .83 ± .25 cm2 y gradiente transvalvular mitral de 17.06 ± 7.6 mmHg; Grupo B (balón Nucleus) de 16 pacientes, Wilkins de 7.6 ± .71, área valvular mitral 1.05 ± .33 cm2, gradiente transvalvular de 14.26 ± 5.00 mmHg. Postvalvuloplastía el área valvular aumentó en el Grupo A y en el B respectivamente a 1.99 ± .49 cm2 y 2.67 ± .63 cm2 (p ‹ .001); el gradiente disminuyó respectivamente a 5.55 ± 2.50 mmHg y 2.95 ± 2.32 mmHg (p ‹ .001). En ambos grupos hubo incremento de insuficiencia mitral en 1 paciente, se documentó cortocircuito interauricular en 1 paciente del Grupo A. La valvuloplastía mitral tiene mejores resultados y es más práctica con el balón Nucleus que con doble balón.


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