Abstract
The purpose of this study is to evaluate the surgical outcomes of ossification of the posterior longitudinal ligament (OPLL) from the viewpoint of occupational recovery after surgical treatment. We reviewed occupational recovery after surgical treatment in 101 patients with OPLL in the cervical spine. The average age of the patients was 56 years (range : 35 to 69) and the average follow-up period was 91 months (range : 12 to 192 months). They were divided into five groups according to profession: light sitting work, light standing work, heavy standing work, working at heights, and drivers. In all cases 52 (51%) patients successfully returned to their preoperative occupations. Although workers in the light sitting and standing groups recovered at a higher rate than those with jobs requring heavy lifting, 41% of patients whose myelopathy improved did not recover well. These results show that improvement of JOA score is not always associated with occupational recovery for OPLL patients after surgical treatments.
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