整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
60才以上の高齢者に対する頚椎前方手術症例の臨床的検討
平野 拓志成尾 政圀小柳 英一浦門 操野上 俊光田岡 祐二
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1998 年 47 巻 3 号 p. 910-913

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24 cases of patients over 60 years of age treated by anterior cervidal body fusion (AVBF) were clinically studied and compared with 50 casses of patients under 60 yeares of age treated by AVBF. The follow-up time was more than 1 year (15 to 71 months) and the mean age was 65.8 years.
In elderly patients and young patients, the mean preoperative JOA scores were 12.6 points and 12.3 points, the post operative JOA scores were 14.7 points and 15.5 points, and the recovery rates evaluated by Hirabayasi's method were 60% and 66.2%, respectively.
In the elderly patients, preoperative X-rays of the lower cervical spine showed decrease of the range of motion (ROM) due to severe degenerative spondylotic changes, and relatively percent ROM increase of the upper cervival spine major involved level was seen.
These findings suggest that instability of the upper cervical spine may pose as a risk factor particularly for cervical spondylotic myelopathy in elderly patients.

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