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Comparative Effectiveness of Microdecompression and Laminectomy for Central Lumbar Spinal Stenosis

S

St. Olavs Hospital

Status

Completed

Conditions

Spinal Stenosis
Spinal Cord Compression

Treatments

Procedure: microdecompression
Procedure: laminectomy

Study type

Observational

Funder types

Other

Identifiers

NCT02006901
2013/643

Details and patient eligibility

About

Introduction: This observational study is designed to test the equivalence between the clinical effectiveness of microdecompression and laminectomy in the surgical treatment of central lumbar spinal stenosis. Lumbar spinal stenosis is the most frequent indication for spinal surgery in the elderly, and as the oldest segment of the population continues to grow its prevalence is likely to increase. However, data on surgical outcomes are limited. Open or wide decompressive laminectomy, often combined with medial facetectomy and foraminotomy, was formerly the standard treatment. In recent years a growing tendency towards less invasive decompressive procedures has emerged. Many spine surgeons today perform microdecompression for central lumbar spinal stenosis.

Prospectively registered treatment and outcome data are obtained from the Norwegian Registry for Spine Surgery (NORspine).

Enrollment

721 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of central lumbar spinal stenosis
  • Operation in ≤2 lumbar levels with either open decompressive laminectomy, bilateral microdecompression or unilateral microdecompression for bilateral decompression in the time period between October 2006 and December 2011
  • Included in the NORspine registry

Exclusion criteria

  • History of lumbar fusion
  • Previous surgery in the lumbar spine
  • Discectomy as part of the decompression
  • Associated pathological entities such as disc herniation, spondylolisthesis or scoliosis.

Trial design

721 participants in 2 patient groups

microdecompression
Description:
surgical microdecompression using a bilateral or unilateral approach depending on the surgeon's preference and the individual patient's anatomy and symptoms.
Treatment:
Procedure: microdecompression
laminectomy
Description:
the spinous process and the laminae of the involved level(s) as well as the medial aspects of the facet joints are resected
Treatment:
Procedure: laminectomy

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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