Sublaminar Decompression and Fusion Versus Sublaminar Trimming Laminoplasty: A Retrospective Cohort

Author:

Khalid Saleh Mohammed,Selem Ali Elsayed Mohamed,Nafea Waleed Mohamed

Abstract

Background: Many surgical options for treating lumbar degenerative disorders have been used to improve health related outcome of those patients. The aim of the study is to compare the functional and radiological outcome of the two techniques in management of Lumbar spinal stenosis (LSS). Methods: Sixty patients with Lumbar spinal stenosis were included in a retrospective cohort study at zagazig university hospital. The inclusion criteria were patients with single level LSS with back and /or leg pain with instability on dynamic radiology not responding to medical treatment. Patients were divided into two groups according to the method of treatment done. Group1 included patients with sublaminar trimming Laminoplasty. group 2 included patients with sublaminar decompression. (VAS) for back and leg pain and the (ODI) for the disability. we measured AP-thecal sac area, foraminal height and the thecal sac area for all patients (pre- and post-operative). Results: no difference in relation to demographic data nor in the diagnosis of the spinal stenosis. Group-2 had longer hospital stay. Both groups improved clinically postoperatively with no statistical difference between them. However, the rate of improvement in group-2 in relation to leg pain was better. Both groups improved radiologically, but AP-thecal sac area, foraminal height and the thecal sac area were much improved in group-2 (p-value<0.001). Conclusion: Sublaminar decompression can particularly achieve better central, foraminal and lateral recess decompression together with a better fusion rate and hence, can be used as alternative to different laminotomy decompression techniques for treating different lumbar degenerative disorders.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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