頚椎後縦靭帯骨化症に対する椎弓形成術の術後成績

抄録

A follow up study of 20 patients who were managed with en-bloc laminoplasty for ossification of the posterior londitudinal ligament (OPLL) in the cervical spine was conducted. The duration of follow up ranged from 8 to 120 months (mean, 47 months). Satisfactory results were obtained without any major complication. The maximum recovery rate of JOA score was 68.1% on the average. The average enlargement in the anteroposterior diameter of the canal was 8.9mm, and it was shown to be well maintained at the final follow-up.