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Anterior lumbar interbody fusion
V A Loguidice1, R G Johnson, R D Guyer
1Texas Back Institute Research Foundation, Plano.
Spine
|March 1, 1988
Summary
Anterior lumbar interbody fusion (ALIF) achieved an 80% fusion rate for painful disc disruption. Smoking significantly increased pseudarthrosis risk, but graft type did not impact fusion success.
Area of Science:
- Orthopedics
- Spine Surgery
- Neurosurgery
Background:
- Painful disc disruption and symptomatic pseudarthrosis are common spinal conditions.
- Anterior Lumbar Interbody Fusion (ALIF) is a surgical option for these conditions.
Purpose of the Study:
- To evaluate the efficacy and outcomes of ALIF in patients with painful disc disruption or pseudarthrosis.
- To assess fusion rates, pseudarthrosis incidence, and functional outcomes after ALIF.
Main Methods:
- Retrospective review of 85 patients undergoing ALIF for painful disc disruption or pseudarthrosis.
- Analysis of fusion rates, pseudarthrosis development at different lumbar levels, and impact of smoking.
- Evaluation of graft types (autogenous vs. cadaveric iliac crest, dowel vs. tricortical block) and functional outcomes.
Main Results:
- An overall fusion rate of 80% was achieved.
- Pseudarthrosis rates varied by lumbar level (16% at L5-S1, 21% at L4-5, 31% at L3-4).
- Heavy smoking (>1 pack/day) significantly increased pseudarthrosis risk; graft type did not affect fusion rates.
- 68% of patients returned to work, with a low overall complication rate.
Conclusions:
- ALIF is an effective procedure for achieving lumbar fusion in patients with PDD or pseudarthrosis.
- Surgeons should counsel patients on the increased pseudarthrosis risk associated with heavy smoking.
- Graft choice does not appear to influence fusion success in this cohort.