Clin Orthop Surg.  2009 Dec;1(4):214-221. 10.4055/cios.2009.1.4.214.

Posterior Lumbar Interbody Fusion Using a Unilateral Single Cage and a Local Morselized Bone Graft in the Degenerative Lumbar Spine

Affiliations
  • 1Department of Orthopaedic Surgery, Gyeongsang National University School of Medicine, Jinju, Korea. ssurgeon@gsnu.ac.kr

Abstract

BACKGROUND
We retrospectively evaluated the clinical and radiological outcomes of posterior lumbar interbody fusion (PLIF) with using a unilateral single cage and a local morselized bone graft.
METHODS
Fifty three patients who underwent PLIF with a unilateral single cage filled with local morselized bone graft were enrolled in this study. The average follow-up duration was 31.1 months. The clinical outcomes were evaluated with using the visual analogue scale (VAS) at the pre-operative period, at 1 year post-operation and at the last follow-up, the Oswestry Disability Index, the Prolo scale and the Kim & Kim criteria at the last follow-up; the radiological outcomes were evaluated according to the change of bone bridging, the radiolucency, the instablity and the disc height.
RESULTS
For the clinical evaluation, the VAS pain index, the Oswestry Disability Index, the Prolo scale and the Kim & Kim criteria showed excellent outcomes. For the the radiological evaluation, 52 cases showed complete bone union at the last follow-up. Regarding the complications, only 1 patient had cage breakage during follow-up.
CONCLUSIONS
PLIF using a unilateral single cage filled with a local morselized bone graft has the advantages of a shorter operation time, less blood loss and a shorter hospital stay, as compared with the PLIF using bilateral cages, for treating degenerative lumbar spine disease. This technique also provides excellent outcomes according to the clinical and radiological evaluation.

Keyword

Spinal fusion; Posterior lumbar interbody fusion; Unilateral single cage; Local morselized graft

MeSH Terms

Adult
Aged
Blood Loss, Surgical
Bone Transplantation/*methods
Female
Follow-Up Studies
Humans
Intervertebral Disk Degeneration/*radiography/*surgery
Lumbar Vertebrae/pathology/*radiography/*surgery
Male
Middle Aged
Prosthesis Implantation/methods
Retrospective Studies
Spinal Fusion/*methods
Spinal Stenosis/surgery
Spondylolisthesis/surgery
Time and Motion Studies
Treatment Outcome
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