When arthrectomies for neural decompression were performed, interbody cages or a third rod with compression hooks were used on the lumbosacral spine, at the surgeon's discretion.
A criterios del cirujano, cuando se realizaban artrectomías para descompresión neural, se colocaron mallas intersomáticas o una tercera barra con uñas a compresión en columna lumbo-sacra.