36-205

Tornillos expansivos: Un recurso en la artrodesis lumbosacra

Expansive scres for lumbosacral arthrodesis

J.A. VALVERDE GARCIA. A. ALVAREZ RAMOS, M. GARCIA ALONSO. J.A. VALVERDE GARCIA. A. ALVAREZ RAMOS, M. GARCIA ALONSO.
Recepción:
16/09/2008
Aceptación:
16/09/2008
Publicación:
16/09/2008


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Resumen (ES)

In recent years numerous pedicular fixation
systems have appeared, revolutionizing the technique. In
1991, the OMEGA-21 System was designed to allow the use of
expansive screws. We present four cases using expansive
screws in lumbosacral arthrodesis: one burst fracture, one
pathologic fracture in an osteoporotic spine, one revision surgery
of a vertebral fracture and one disassembly of a pedicular
fixation system. In total, 11 expansive screws were placed,
one of them appearing broken 15 months after implantation.
Expansive screws allows the use of pedicular fixation in
special situations, having two precise indications: severe
osteoporosis and revision surgery.

Palabras clave (ES):

Lumbar
Tornillo
Expansivo
Columna
Raquis
Fusión
Fijación
Artrodesis
Sacro
Lumbosacra

Resumen (EN)

In recent years numerous pedicular fixation
systems have appeared, revolutionizing the technique. In
1991, the OMEGA-21 System was designed to allow the use of
expansive screws. We present four cases using expansive
screws in lumbosacral arthrodesis: one burst fracture, one
pathologic fracture in an osteoporotic spine, one revision surgery
of a vertebral fracture and one disassembly of a pedicular
fixation system. In total, 11 expansive screws were placed,
one of them appearing broken 15 months after implantation.
Expansive screws allows the use of pedicular fixation in
special situations, having two precise indications: severe
osteoporosis and revision surgery.

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