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The value of a new method for assessing the separate functions of the long tracts and involved segments in patients with cervical myelopathy

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Abstract 

In order to assess accurately lesions of the spinal cord in patients with cervical myelopathy we have developed a new method of examination, which is based on the Japanese Orthopaedic Association (JOA) scoring system. The method attempts to assess separately the functions of the long tract and any involved cord segments in respect to the period after treatment. It was used in 117 consecutive patients who were divided into 2 groups based on whether or not there was a T2-high- intensity lesion within the spinal cord, as revealed by a preoperative magnetic resonance imaging scan (MRI). The results of this method correlated well with the MRI findings. It was assumed that the degree of function of the upper limbs in patients with a T2-high-intensity lesion revealed more about a segment than about the long tract.

Résumé 

Pour évaluer les lésions médullaires dans la myélopathie cervicale, nous avons développé une méthode d’examen basée sur la classification de l’Association Orthopédique Japonaise (JOA). La méthode essaie d’évaluer les fonctions de l’ensemble médullaire et du segment concerné après une période de traitement. 117 malades consécutifs ont été divisés en deux groupes selon qu’il y avait ou non un signal d’hyper-intensité en T2 sur l’IRM pré-opératoire. Les résultats selon cette méthode ont été en corrélation avec les résultats IRM.

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Accepted: 16 February 2000

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Hirabayashi, S., Tsuzuki, N., Abe, R. et al. The value of a new method for assessing the separate functions of the long tracts and involved segments in patients with cervical myelopathy. International Orthopaedics SICOT 24, 75–79 (2000). https://doi.org/10.1007/s002640000127

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  • DOI: https://doi.org/10.1007/s002640000127

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