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Related Experiment Videos

Unilateral lumbar fusion.

M F Hambly1, L L Wiltse, R D Peek

  • 1Wiltse Spine Institute, Long Beach, California.

Spine
|June 1, 1991
PubMed
Summary

Unilateral lumbar spine fusion can be necessary for specific conditions like "far-out syndrome." This study found an 85% fusion rate in 13 patients, indicating its potential effectiveness.

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Area of Science:

  • Orthopedic Surgery
  • Spinal Fusion Techniques
  • Spine Decompression

Background:

  • Unilateral lumbar spine fusion is infrequently indicated.
  • Destabilization from unilateral posterior element resection can lead to joint instability.
  • Specific conditions necessitate unilateral fusion approaches.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of unilateral lumbar spine fusion.
  • To assess fusion rates and complications in patients undergoing this procedure.

Main Methods:

  • Retrospective review of 13 patients (7 male, 6 female; average age 60) who underwent unilateral lumbar fusion.
  • Analysis of patient charts and radiographs with follow-up ranging from 12.5 months to 2 years (median 8 years).
  • Procedures included unilateral posterior element resection, decompression for far-out syndrome, or osteoid osteoma removal; autologous bone graft used in all cases.

Main Results:

  • An 85% fusion rate (11/13 patients) was achieved.
  • Two of three smokers developed pseudarthrosis (failed fusion).
  • No progression of spondylolisthesis was observed; one moderate postoperative infection occurred.

Conclusions:

  • Unilateral lumbar spine fusion demonstrates a high fusion rate and can be a viable option for specific indications.
  • Patient factors like smoking may influence fusion success.
  • The procedure appears safe with a low complication rate.

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