Narrowed Lumbar Canal, Result Of Treatment At The Donka Neurosurgery Department Conakry (Guinee)

Résumé

Introduction: The narrowed lumbar canal is a pathological entity that expresses the mismatch between the container represented by the bony canal lined with disco-ligamentous structures and the content represented by the dural cul-de-sac and the nerve roots from L1 to the sacral plateau. Objective: was to evaluate the result of surgical management in patients hospitalized in the department. Material and Methods:  This is a descriptive retrospective study, involving 36 patients. Results: This pathology represented 4.27% of all the activities of the service during the study period and 13.43% of other lumbar conditions. The average age of patients was 53.69 years, the sex ratio 1.11 with a male predominance. The clinic was dominated by low back pain and intermittent spinal claudication respectively in 97.30% and 94.52% of cases; Radiculalgia in 86.18% of cases. Neuroradiological assessment confirmed the diagnosis in 94.44% of cases. All patients underwent laminectomy, followed by discectomy in 72.22% and osteosynthesis in 41.53%. The evolution was marked by an improvement in symptoms in 72.29% with persistence of low back pain in 22.86% of cases and sensory-motor disorders in 5.56% of cases. Conclusion: The narrowed lumbar canal requires surgical treatment after failure of medical treatment. The gold standard is the total laminectomy which obtains good postoperative results.