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Related Experiment Video

Updated: Jun 13, 2026

Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability
11:30

Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability

Published on: July 25, 2025

Examining the Role of Pre-Operative Retrolisthesis in Single-Level Lumbar Fusion: Impact on Reoperation Rates.

Hershil Alkesh Patel1, Rohan I Suresh1, Sapan Patel1

  • 1Department of Orthopaedics, Division of Spine Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

Journal of Clinical Medicine
|June 12, 2026
PubMed
Summary

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Preoperative retrolisthesis is common in lumbar fusion patients but not a sole predictor of revision surgery. A higher burden of multilevel retrolisthesis, especially with significant lordosis change, increases revision risk.

Area of Science:

  • Spine surgery
  • Degenerative spine disease
  • Radiographic analysis

Background:

  • Lumbar fusion for degenerative pathology is common, with revision surgery a concern.
  • Adjacent segment disease is a frequent cause of revision.
  • The role of preoperative lumbar retrolisthesis in revision risk is unclear.

Purpose of the Study:

  • Evaluate retrolisthesis prevalence and distribution in L4-L5 fusion patients.
  • Assess the clinical significance of preoperative retrolisthesis regarding revision surgery.
  • Identify predictors of revision surgery in this patient cohort.

Main Methods:

  • Retrospective cohort study of 116 adult patients undergoing single-level L4-L5 posterior fusion.
  • Retrolisthesis defined as posterior translation ≥ 2 mm, assessed across lumbar levels.
Keywords:
adjacent segment diseaselumbar fusionretrolisthesisrevision surgeryspinopelvic alignment

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Published on: July 15, 2021

Related Experiment Videos

Last Updated: Jun 13, 2026

Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability
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Multilevel Oblique Lumbar Interbody Fusion in Degenerative Lumbar Disc Disease with Instability

Published on: July 25, 2025

Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
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Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique

Published on: July 15, 2021

  • Statistical analysis including Cox proportional hazards models to assess revision risk.

    • Main Results:

    • Preoperative retrolisthesis present in 78.4% of patients, often multilevel.
    • Retrolisthesis alone did not predict revision.
    • ≥3 retrolisthesis levels (HR 5.50) and greater L4-S1 lordosis change (HR 1.09/degree) independently predicted revision.

    Conclusions:

    • Multilevel retrolisthesis burden, not isolated retrolisthesis, is associated with increased revision risk.
    • Combined multilevel retrolisthesis and significant lordosis change may indicate spinal vulnerability.
    • Findings are exploratory and require validation in larger studies.