Cervical myelopathy due to OPLL induced by minor trauma.

概要

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Eighteen cases of cervical myelopathy due to OPLL induced by minor trauma were studied, which consisted of 16 males and 2 females. Their ages ranged from 41 to 76 years old (average; 56 years old) at the time of operation. The follow-up periods were more than 1 year and up to 15 years (average; 7 years).The overall results were not satisfactory comparing with those of cases not-induced by trauma; that is, excellent and good results were obtained in 39% of the cases at the time of discharge, and in 39% at the time of follow-up study.Based on our follow-up results we propose that the plan of operative therapy of trauma-related myelopathy is as following: for the cases with symptoms of myelopathy which appear some time after improvement of traumatic cord lesion, ordinary therapeutic regime can be taken and satisfactory results are obtained, however, for the cases with incomplete recovery from traumatic cord lesion, operation is one of the choice when severe canal stenosis exists.