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Efficacy Of OLIF Combined With Pedicle Screw Internal Fixation For Lumbar Spinal Stenosis On Spinal Canal Changes Before And After Surgery London Spine Lumbar Stenosis

The article evaluates the efficacy of oblique lumbar interbody fusion (OLIF) combined with pedicle screw internal fixation in the treatment of lumbar spinal stenosis. The study analyzed the changes in the spinal canal before and after surgery in sixteen patients who underwent this combined procedure. The results showed that OLIF combined with pedicle screw internal fixation effectively restored disc height, increased the cross-sectional area of the spinal canal, and had an indirect decompression effect. In addition, the surgery led to improvements in pain, functional disability, lumbar lordosis, and sagittal vertical axis. Follow-up at one year revealed that these improvements remained statistically significant compared to preoperative values. Overall, OLIF combined with pedicle screw internal fixation was found to be effective in the treatment of lumbar spinal stenosis

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : best rated spine hospital in UK

Published article

CONCLUSIONS: OLIF combined with pedicle screw internal fixation effectively restores disc height and increases the cross-sectional area of the vertebral canal in patients with LSS, reflecting the indirect decompression effect. Measuring parameters such as DH, CSAVC, CSADS, CSAIF, SCV, and SCV expansion rate before and after surgery provides valuable information for evaluating the efficacy and functional recovery of the lumbar spine in LSS patients treated with OLIF surgery.

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Abstract Purpose: The purpose of the study was to evaluate the efficacy of OLIF combined with pedicle screw internal fixation in the treatment of lumbar spinal stenosis by assessing the changes in spinal canal before and after surgery. Methods: In this retrospective study, we included sixteen patients who underwent a combination of single-segment OLIF and,

Abstract

Purpose: The purpose of the study was to evaluate the efficacy of OLIF combined with pedicle screw internal fixation in the treatment of lumbar spinal stenosis by assessing the changes in spinal canal before and after surgery.

Methods: In this retrospective study, we included sixteen patients who underwent a combination of single-segment OLIF and pedicle screw internal fixation for the treatment of lumbar spinal stenosis at the Affiliated Hospital of Jiangxi University of Chinese Medicine between February 2018 and August 2022. The patients’ pre- and post-operative data were compared. Intraoperative bleeding, duration of surgery, visual analogue score (VAS), Oswestry Disability Index (ODI), disc height (DH), cross-sectional area of vertebral canal (CSAVC), cross-sectional area of dural sac (CSADS), cross-sectional area of intervertebral foramen (CSAIF), spinal canal volume (SCV), spinal canal volume expansion rate, lumbar lordosis, and sagittal vertical axis were observed and recorded. The efficacy of OLIF combined with pedicle screw internal fixation for lumbar spinal stenosis on spinal canal changes before and after surgery was summarized.

Results: The results showed that OLIF combined with pedicle screw internal fixation effectively restored disc height and increased the cross-sectional area of the spinal canal. It also had an indirect decompression effect. The intraoperative bleeding and duration of surgery were within acceptable ranges. The VAS and ODI scores significantly improved after surgery, indicating a reduction in pain and improvement in functional disability. The CSAVC, CSADS, CSAIF, SCV, and spinal canal volume expansion rate were all increased postoperatively. Additionally, there was improvement in lumbar lordosis and sagittal vertical axis. We conducted a follow-up of all patients at 1 year after the surgery. The results revealed that the parameter values at 1 year post-surgery showed varying degrees of decrease or increase compared to the immediate postoperative values. However, these values remained statistically significant when compared to the preoperative parameter values (P < 0.05).

Conclusions: OLIF combined with pedicle screw internal fixation effectively restores disc height and increases the cross-sectional area of the vertebral canal in patients with LSS, reflecting the indirect decompression effect. Measuring parameters such as DH, CSAVC, CSADS, CSAIF, SCV, and SCV expansion rate before and after surgery provides valuable information for evaluating the efficacy and functional recovery of the lumbar spine in LSS patients treated with OLIF surgery.

Keywords: Disc height; Lumbar spinal stenosis; Oblique lumbar interbody fusion; Spinal canal cross-sectional area.

The London Spine Unit : best rated spine hospital in UK

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Efficacy of OLIF combined with pedicle screw internal fixation for lumbar spinal stenosis on spinal canal changes before and after surgery

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Abstract Purpose: The purpose of the study was to evaluate the efficacy of OLIF combined with pedicle screw internal fixation in the treatment of lumbar spinal stenosis by assessing the changes in spinal canal before and after surgery. Methods: In this retrospective study, we included sixteen patients who underwent a combination of single-segment OLIF and

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