TRANSFACET SCREW FIXATION AND INTERBODY FUSION IN DEGENERATIVE LUMBAR SPONDYLOLISTHESIS

Document Type : Preliminary preprint short reports of original research

Authors

1 Departments of Neurosurgery. Faculty of Medicine, Alexandria University

2 Department of Neurosurgery Faculty of Medicine - Alexandria University

Abstract

Abstract
Background: Transfacet screw fixation has been used since Boucher has introduced its technique in 1959 and several studies have claimed its biomechanical stability and its safety in degenerative lumbar pathologies. No prior research has been conducted to evaluate the efficacy of transfacet screw fixation in conjunction with interbody fusion in lumbar degenerative spondylolisthesis.
Purpose: This study's objective is to evaluate the short-term radiological and clinical results of patients who undergo laminectomy, transfacet screw fixation combined with interbody fusion for single level lumbar degenerative spondylolisthesis.
Patients and Methods: We performed a prospective study on sample of 20 patients with degenerative lumbar spondylolisthesis treated in Alexandria Main University Hospital for a period from November 2023 to December 2024.
After obtaining a written consent for research and surgery, a spinal decompression and interbody fusion, instrumented by a single level transfacet screw fixation were performed on every patient.
Clinical (Visual Analog System VAS) and radiographic (CT, MRI, and dynamic radiographies) data were gathered and examined before and after surgery, as well as at six-months.

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