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Article in Spanish | LILACS, BINACIS | ID: biblio-1437493

ABSTRACT

Introducción: La enfermedad degenerativa de la columna lumbar es frecuente, pero aún existen dudas en relación con los criterios de inestabilidad. Objetivos: Analizar la relación del signo del fluido facetario lumbar como criterio de inestabilidad vertebral segmentaria. materiales y métodos: Pacientes con enfermedad lumbar crónica, que presentan hidrartrosis facetaria en la resonancia magnética y las radiografías de columna lumbar dinámicas. Se analizan la prevalencia del sexo, la edad, la sintomatología principal y el dolor a la extensión unilateral o bilateral. Resultados: Se evaluó a 139 pacientes (62% mujeres), con un promedio de edad de 50.8 años; el principal motivo de consulta fue lumbalgia (76%). El 65% refería dolor en extensión; el 35%, dolor unilateral y el 30%, dolor bilateral. El 14% tenía espondilolistesis de bajo grado en L4-L5 y el 7%, en L5-S1. La hidrartrosis era unilateral en el 20% y bilateral en el 80%; el nivel de hidrartrosis más frecuente era en L4-L5 (58%). El 6% tenía solo inestabilidad traslacionaly el 2%, mixta. Un 8% presentaba Modic I y un 5%, Modic II. Conclusiones: La presencia de fluido facetario no es un criterio de inestabilidad vertebral segmentaria, al margen del nivel y el segmento localizado, o la presentación facetaria lumbar unilateral o bilateral. Nivel de Evidencia: IV


Introduction: Degenerative lumbar spine disease is prevalent, however, the criteria for instability are still debated. Objectives:To analyze the presence of the lumbar facet fluid sign as a criterion for segmental instability of the spine. materials and meth-ods: Patients with chronic lumbar disease, who present facet hydrarthrosis on MRI and dynamic lumbar spine radiographs. The prevalence of sex, age, main symptomatology, and pain on unilateral or bilateral extension was investigated. Results: A total of 139 patients (62% women) were evaluated, with an average age of 50.8 years; the main reason for consultation was low back pain (76%). Sixty-five percent reported pain in extension, with 35% reporting unilateral pain and 30% reporting bilateral pain. Fourteen percent had low-grade spondylolisthesis at L4-L5 and 7% at L5-S1. Hydrarthrosis was unilateral in 20% and bilateral in 80%; the most frequent level of hydrarthrosis was L4-L5 (58%). Six percent had only translational instability and 2% had mixed instability. 8% and 5%, respectively, had Modic I and Modic II changes. Conclusions: The presence of facet fluid is not a criterion for segmental instability of the spine, regardless of the level and localized segment, or the unilateral or bilateral lumbar facet presentation. Level of Evidence: IV


Subject(s)
Spine , Low Back Pain , Joint Instability , Lumbar Vertebrae
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