Comparative Study between the Pre-Operative Neurological Findings and the Post-Operative Results in Cervical Myelopathy

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Short term and long term follow-up post-operative results were investigated in patients with cervical myelopathy (Spondylotic, due to developmental canal stenosis and due to ossification of the posterior longitudinal ligament).Statistical evaluation was made to find the relation between each signs, each symptoms and general severity the patients had preoperatively, and the clinical postoperative results.There were 208 patients examined at 2 months after surgery and 80 patients examined at more than 3 years after surgery.In short term results no significant relation was found between preoperative general severity and postoperative results, but motor dysfunction of the lower extremities and sphincter disturbance had a close relation between the preoperative clinical factors and postoperative results.In long term follow-up, preopeative general severity had a close relation with the post-operative results. Motor dysfunction of the lower extremities was the only preoperative factor in symptoms and signs with a significant linear association between its presence and postoperative disabilities. Sphincter disturbance had no significant relation with post-operative resuin our investigations.