Related Experiment Video
Updated: Feb 4, 2026
08:38
Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
Published on: July 15, 2021
3.9K
Does the Addition of Either a Lateral or Posterior Interbody Device to Posterior Instrumented Lumbar Fusion Decrease
Paul Schadler1, Peter Derman1, Lily Lee1
1Hospital for Special Surgery, New York, NY, USA.
Global Spine Journal
|September 28, 2018
Summary
Posterior instrumented fusion (PSF) and circumferential lateral lumbar interbody fusion (LLIF) are associated with higher healthcare costs than posterior lumbar interbody fusion (PLIF) over six years.
Area of Science:
- Spine surgery outcomes
- Health economics in orthopedics
Background:
- Limited comparative cost data exists for single-level posterior instrumented fusion (PSF), posterior lumbar interbody fusion (PLIF), and circumferential lateral lumbar interbody fusion (LLIF).
- Understanding procedure costs is crucial for healthcare providers and payers.
Purpose of the Study:
- To compare the costs associated with PSF, PLIF, and circumferential LLIF procedures.
- To evaluate resource utilization over a six-year follow-up period.
Main Methods:
- Retrospective case-control study design.
- Patient chart review and telephone follow-up questionnaires.
- Medicare reimbursement data utilized for payer perspective cost estimation.
- Multivariate survival analysis to assess time to elevated resource use.
Main Results:
- A total of 337 patients were included: 45 PSF, 222 PLIF, and 70 circumferential LLIF.
- At six-year follow-up, PSF and circumferential LLIF patients were three times more likely to reach the elevated resource use threshold compared to PLIF patients (P = .017).
Conclusions:
- Circumferential LLIF and PSF procedures are associated with higher resource utilization and consequently greater costs at six-year follow-up compared to PLIF.
- These findings have implications for surgical decision-making and healthcare resource allocation in spine surgery.
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