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Vol. 2. Issue 2.
Pages 111 (January 1991)
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Vol. 2. Issue 2.
Pages 111 (January 1991)
Tratamiento de las secuelas dolorosas de la cirugía discal del raquis lumbar con estimulación medular
J.M. González Darder
Departamento de Cirugía. Facultad de Medicina. Cádiz
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Resumen

Se presentan los resultados del tratamiento del dolor crónico secuela de la cirugía discal del raquis lumbar mediante estimulación eléctrica medular (EEM). Un total de 39 pacientes fueron sometidos a prueba y 33 implantados definitivamente. La clínica predominante era: lumbalgia en 3 pacientes, dolor por deaferentación secundario a una lesión radicular severa en 5 casos y, finalmente, ciatalgia en 31 casos. En todos los casos se realizó la implantación con técnica percutánea, utilizando en la mayor parte de los mismos electrodos cuadripolares y sistemas totalmente implantables. El nivel raquídeo de localización de los electrodos estaba entre D11 y L1. Un total de 33 pacientes fueron implantados y 29 continúan haciendo uso de la EEM para controlar el dolor. Las complicaciones fueron menores, salvo una infección en un paciente que obligó a retirar el sistema. Los resultados indican que la EEM es útil para tratar la ciática somatógena secuela de la cirugía del raquis lumbar, mientras que si la clínica predominante es la lumbalgia o el dolor por deaferentación no hay indicación para la EEM.

Palabras clave:
Estimulación eléctrica medular
Lumbalgia
Ciática
Dolor por deaferentación
Summary

The results of the treatment of the failed back syndrome using spinal cord stimulation (SCS) are presented. A total of 39 patients were tested and 33 definitively implanted. The main presenting syndrome was low back pain in 3 patients, deafferentation pain as a consequence of root lesion in 5 cases and, finally, somatogenic sciatica in 31 patients. In all patients a percutaneous technique was carried out using in almost all cases cuadripolar wires and fully implantable systems. Electrodes were placed between Th11 and L1 spinal levels. A total of 33 cases were implanted and 29 are using SCS for modulating their pain. Complications were minor. In one case a system was explanted due to infection. The results indicate that SCS is useful for the treatment of the somatogenic sciatica following low back surgery. However, low back pain or deafferentation pain are no good indications for SCS.

Key words:
Spinal cord stimulation
Low back pain
Sciatica
Deafferentation pain

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