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Role of Coflex as an Adjunct to Decompression for Symptomatic Lumbar Spinal Stenosis
Asian Spine Journal ; : 161-169, 2014.
Artículo en Inglés | WPRIM | ID: wpr-189412
ABSTRACT
STUDY

DESIGN:

Prospective cohort study.

PURPOSE:

To assess whether additional implantation of Coflex following spinal decompression provided better clinical outcomes compared to decompression alone for symptomatic lumbar spinal stenosis (LSS) and to determine whether improvement in clinical outcomes correlated with changes in the radiological indices studied. OVERVIEW OF LITERATURE Literature on benefits of additional Coflex implantation compared to decompression alone for symptomatic LSS is limited.

METHODS:

Patients with symptomatic LSS who met the study criteria were offered spinal decompression with Coflex implantation. Those patients who accepted Coflex implantation were placed in the Coflex group (n=22); while those opting for decompression alone, were placed in the comparison group (n=24). Clinical outcomes were assessed preoperatively, six-months, one-year and two-years postoperatively, using the Oswestry disability index, 100 mm visual analogue scale (VAS)-back pain and VAS-leg pain, and short form-36 (SF-36). Radiological indices (disc height, foraminal height and sagittal angle) were assessed preoperatively, six months, one year, and two years postoperatively.

RESULTS:

Both groups showed statistically significant (p<0.001) improvement in all the clinical outcome indicators at all points in time as compared to the preoperative status. However, improvement in the Coflex group was significantly greater (p<0.001) than the comparison group. Changes in the radiological indices did not correlate significantly with the improvement in clinical outcome indicators.

CONCLUSIONS:

Additional Coflex implantation after spinal decompression in symptomatic LSS offers better clinical outcomes than decompression alone in the short-term. Changes in radiological indices do not correlate with the improvements in clinical outcomes after surgery for symptomatic LSS.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Estenosis Espinal / Estudios Prospectivos / Estudios de Cohortes / Descompresión Tipo de estudio: Estudio diagnóstico / Estudio de etiología / Estudio de incidencia / Estudio observacional / Factores de riesgo Límite: Humanos Idioma: Inglés Revista: Asian Spine Journal Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Estenosis Espinal / Estudios Prospectivos / Estudios de Cohortes / Descompresión Tipo de estudio: Estudio diagnóstico / Estudio de etiología / Estudio de incidencia / Estudio observacional / Factores de riesgo Límite: Humanos Idioma: Inglés Revista: Asian Spine Journal Año: 2014 Tipo del documento: Artículo