Study of cervical spinal canal enlargement in aged patients.

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Since 1984, cervical spinal canal enlargement by expansive open-door laminoplasty was performed in 17 patients with cervical myelopathy, in which 12 patients had cervical ossification of the posterior longitudinal ligament and cervical spondylotic myelopathy. There were 8 patients over 60 years of age and the average age was 64.4 years. The other 9 patients' average age was 51 years old. The clinical results were evaluated using J. O. A. score of cervical myelopathy and recovery rates by Hirabayashi's method In aged patients, the preoperative average score was 7.1 points, and it improved to 11.3 points postoperatively. The average recovery rate was 42.3%. In patients under 60, it was each 9.3, 13.1 and 48.4%. The clinical results were very influenced by the duration of the history. In aged patients, cervical spinal canal enlargement was a valuable and safe procedure for cervical myelopathy.
西日本整形・災害外科学会の論文