Journal of Isfahan Medical School

Journal of Isfahan Medical School

Investigating the Spinopelvic Sagittal Parameters in Patients with Lumbar Canal Stenosis after Laminectomy

Document Type : Original Article (s)

Authors
Hamid Rezaei 1
Mohammad Ali Abouei-Mehrizi 1
Ehsan Keykhosravi 1
Masoud Pishjoo 2
1 Assistant Professor, Department of Neurosurgery, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
2 Resident, Department of Neurosurgery, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
10.22122/jims.v38i604.13430
Abstract
Background: Spinal canal stenosis is the most common degenerative disease of the lumbar spine. Sagittal imbalance in degenerative spinal diseases is associated with disability and reduced quality of life. In this study, we examined the effect of lumbar spine laminectomy on improvement in spinopelvic sagittal parameters.Methods: This prospective cohort study was conducted during 2016-2019 at Ghaem and Shahid Kamyab hospitals, Mashhad, Iran. Patients underwent spinal radiography before and after laminectomy, and their spinopelvic sagittal parameters were measured. Data were analyzed using SPSS considering P < 0.050 statistically significant.Findings: Overall, 46 patients were examined in this study. The mean age was 52.9 ±11.9 years, 29 patients (63%) were men, and 17 (37%) were women. 28 subjects (60.9%) underwent 3-level and 18 subjects (39.1%) underwent 4-level laminectomy. Only the lumbar lordosis and sagittal vertical axis (SVA) were significantly changed after the surgery (P < 0.050).Conclusion: Lumbar canal stenosis disrupted the sagittal and global spinal balance. Multi-level laminectomy improved lumbar lordosis and SVA in lumbar canal stenosis.
Keywords
Laminectomy
Lumbar vertebrae
Spinal stenosis
Spinal curvatures
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Journal of Isfahan Medical School
Volume 38, Issue 604 - Serial Number 604
November and December 2021
Pages 936-940

  • Receive Date 07 September 2020
  • Accept Date 06 April 2022