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Rev. bras. ortop ; 57(2): 334-340, Mar.-Apr. 2022. tab, graf
Article in English | LILACS | ID: biblio-1387992

ABSTRACT

Abstract Objective To access the possibility that higher degrees of disc degeneration lead to higher levels of pain and dysfunction. Methods Magnetic resonance imaging (MRI) scans of 85 patients with low back pain lasting for more than 12 weeks were evaluated, and the degree of disc degeneration was quantified according to the Pfirrmann grading system. The Pfirrmann degree in each disc space from L1-L2 to L5-S1, the maximum degree of Pfirrmann (Pfirrmannmax) between the lumbar discs, and the sum of Pfirrmann (Pfirrmann-sum) degrees were correlated (through the Spearman test) with the Oswestry Disability Index (ODI) and the Visual Analogical Scale (VAS) for pain. Results In total, 87% of the patients had moderate to severe lumbar disc degeneration measured by Pfirrmann-max, and the most degenerated discs were L4-L5 and L5S1. There was a week to moderate correlation regarding the Pfirrmann-max (r » 0,330; p» 0.002) and the Pfirrmann-sum (r » 0,266; p» 0,037) and the ODI, and the Pfirrmann scores in L1-L2 were correlated with the ODI and the VAS. Conclusion Patients with chronic idiopathic low back pain frequently have moderate to severe lumbar disc degeneration, which has a negative impact on the quality of life of the patients. Low degrees of degeneration in L1-L2 might be related with higher degrees of pain and of functional disability.


Resumo Objetivo Avaliar a possibilidade de maiores graus de degeneração discal levarem a maiores dor e disfunção. Métodos Exames de imagem por ressonância magnética (IRM) de 85 pacientes com lombalgia idiopática por mais de 12 semanas foram avaliados, sendo quantificado o grau de degeneração discal de acordo com a escala de Pfirrmann. O grau de Pfirrmann em cada espaço discal de L1-L2 a L5-S1, o grau máximo de Pfirrmann (Pfirrmann-max) entre os discos lombares, e a soma dos graus de Pfirrmann (Pfirrmann-soma) foram correlacionados (por meio do teste de Spearman) com o Índice de Incapacidade de Oswestry (IIO) e a escala visual analógica (EVA) de dor. Resultados No total, 87% dos pacientes tinha degeneração discal moderada ou acentuada medida pelo Pfirrmann-max, sendo L4-L5 e L5-S1 os discos mais degenerados. Houve uma correlação de fraca a moderada entre o Pfirrmann-max (r » 0,330; p» 0.002) e a Pfirrmann-soma (r » 0,266; p» 0,037) e o IIO, e entre o grau de Pfirrmann em L1-L2 e o IIO e a EVA. Conclusão A degeneração discal lombar moderada ou acentuada é frequente em indivíduos com lombalgia crônica idiopática, e tem um impacto negativo na qualidade de vida dos pacientes. Pequenos graus de degeneração discal em L1-L2 podem determinar maior grau de dor e maior incapacidade funcional.


Subject(s)
Humans , Quality of Life , Low Back Pain , Intervertebral Disc Degeneration/diagnostic imaging , Intervertebral Disc/pathology
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