Clinical investigation on surgically treated ossification of the posterior ligament of the cervical spine.

概要

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66 cases of ossification of the posterior longitudinal ligament of the cervical spine have been surgically treated for the past 12 years. Of these, 44 cases followed over 3 years were studied clinically, and 20 cases followed over 5 years after operation were roentgenologically investigated.The results were as follows:1) According to the JOA Score, excellent and good cases accounted for 100% in the auterior approach (18 cases), 90.4% in the posterior approach (21 cases) and 60% in reoperated cases (5 cases).2) Factors influencing postoperative results.In cases with duration of symptoms over 5 years, score under 6 points due to JOA, and narrow canal rate in antero-posterior diameter over 70%, postoperative results were mostly unsatisfactory.3) Roentgenological investigation.Progression of ossification with aging was encountered in 25% at long axis and 5% at thickness.
西日本整形・災害外科学会の論文