Of the 20 cases, eight 40% underwent 360 degrees arthrodesis using intersomatic fusion with the transformational technique, and the 12 60% remaining cases underwent posterolateral fusion. Autologous graft was used in all cases.
De los 20 casos a ocho casos 40% se les efectuó artrodesis 360* mediante artrodesis intersomatica con técnica transformacional y a los 12 casos 60% restantes artrodesis posterolateral en todos los casos se utilizo injerto autologo .