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Inicio Radiología (English Edition) Percutaneous Laser Disc Decompression for lumbar discogenic radicular pain
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Vol. 54. Issue 4.
Pages 336-341 (July - August 2012)
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Vol. 54. Issue 4.
Pages 336-341 (July - August 2012)
Original Article
Percutaneous Laser Disc Decompression for lumbar discogenic radicular pain
Descompresión percutánea discal con láser para el tratamiento del dolor lumbo-radicular de origen discal
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R. Duartea,b,
Corresponding author
guerra.duarte@gmail.com

Corresponding author.
, J.C. Costaa
a JCC-Diagnóstico por Imagem, Hospital Particular de Viana do Castelo, Portugal
b Department of Radiology, Centro Hospitalar Gaia/Espinho, Portugal
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Table 1. MacNab criteria for clinical outcome evaluation.
Table 2. Clinical outcome (MacNab criteria).
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Abstract
Purpose

The aim of our study was to directly evaluate the effectiveness of percutaneous laser disc decompression (PLDD) for the treatment of lumbar discogenic radicular pain.

Materials and methods

From June 2006 through July 2009, 205 patients with contained disc herniation demonstrated on computed tomography (CT) or magnetic resonance, concordance between the radicular pain and the nerve root compressed by the herniated disc, neurological findings referring to a single nerve root and no improvement after conservative therapy for a minimum of six weeks were enrolled. All patients were treated with PLDD under CT guidance and local anesthesia. Follow-up was scheduled at 1, 2days, 3, 6months. Subsequent follow-ups at 12, 24 and 36months were carried out through visits or by telephone. Clinical outcome was quantified using the MacNab criteria.

Results

The age of patients ranged from 27 to 78years (mean 58±11years). The levels of involvement were 18 cases at L3–L4, 123 cases at L4–L5 and 64 cases at L5–S1. Using the MacNab criteria, the results were as follows: 67% (n=137) showed a good outcome and 9% (n=18) a fair outcome. There were no serious complications in our series.

Conclusion

PLDD is effective treatment for lumbar discogenic radicular pain, associated with only minimal discomfort to the patient. This minimally invasive technique is a valid alternative for those patients not responding to conservative medical treatment, allowing in many cases to obviate the need of spine surgery.

Keywords:
Interventional radiology
Low back pain
Laser therapy
Resumen
Objetivos

El objetivo de nuestro estudio fue evaluar la eficacia de la descompresión percutánea discal con láser (DPDL) en el tratamiento del dolor lumbo-radicular de origen discal.

Material y métodos

Desde junio de 2006 hasta julio de 2009 se incluyeron en este estudio 205 pacientes con hernia discal contenida demostrada mediante tomografía computarizada (TC) o resonancia magnética (RM), que presentaban concordancia entre el dolor radicular y la raíz nerviosa comprimida por el disco herniado, con hallazgos neurológicos referidos a una única raíz nerviosa y que no mejoraron tras un tratamiento conservador de al menos seis semanas. Todos los pacientes fueron tratados con DPDL guiada mediante TC y con anestesia local. Se realizaron controles al primer y segundo día y a los tres y seis meses. Los controles posteriores fueron a los 12, 24 y 36 meses y se realizaron mediante visita o por teléfono. Para la valoración del resultado clínico se aplicaron los criterios de MacNab.

Resultados

El rango de edad fue de 27-78 años (media: 58±11 años). La afectación fue en 18 casos a nivel de L3-L4, en 123 casos a nivel de L4-L5 y en 64 casos a nivel de L5-S1. Siguiendo los criterios de MacNab, los resultados fueron: un 67% (n=137) mostraron un resultado bueno y un 9% (n=18) un resultado aceptable. No hubo complicaciones importantes en nuestro estudio.

Conclusión

La DPDL es un tratamiento efectivo para el dolor lumbo-radicular de origen discal, que solo causa ligeras molestias al paciente. Esta técnica mínimamente invasiva es una alternativa adecuada para aquellos pacientes que no responden al tratamiento médico conservador, obviando en muchos casos la necesidad de intervenir la columna quirúrgicamente.

Palabras clave:
Radiología intervencionista
Dolor lumbar
Tratamiento con láser

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