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Updated: Jul 20, 2026

Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
Published on: July 15, 2021
Dynamic stabilization of the lumbar spine
Balkan Cakir1, Marcus Richter, Klaus Huch
1Department of Orthopedics and Spinal Cord Injuries, University of Ulm, Germany.
This study compared total disk replacement and posterior dynamic stabilization for lumbar spine pathologies. Both novel treatments offer promising alternatives to fusion surgery, showing clinical improvements despite not always restoring sagittal alignment.
Area of Science:
- Spine surgery outcomes
- Orthopedic surgical techniques
- Degenerative spine disease management
Background:
- Fusion surgery is the traditional treatment for lumbar spine pathologies.
- Novel surgical techniques are being explored as alternatives to fusion.
- Posterior dynamic stabilization and total disk replacement offer potential benefits over fusion.
Purpose of the Study:
- To analyze and compare the outcomes of total disk replacement (TDR) and posterior dynamic stabilization (PDS) in patients with lumbar spine pathologies.
- To evaluate the efficacy of TDR and PDS as alternatives to fusion surgery.
- To assess clinical outcomes and morbidity associated with TDR and PDS.
Main Methods:
- Comparative analysis of patient outcomes.
- Treatment groups included total disk replacement and posterior dynamic stabilization.
- Evaluation of clinical outcome measures across different subscales.
Main Results:
- Both TDR and PDS demonstrated improvements in all subscales of clinical outcome measures.
- Physiological reconstruction of the sagittal profile was not consistently achieved with either method.
- Both treatment groups showed acceptable morbidity rates.
Conclusions:
- Posterior dynamic stabilization and total disk replacement are viable and promising alternatives to lumbar fusion surgery.
- These novel techniques offer acceptable morbidity for carefully selected patient indications.
- Further research may be needed to optimize sagittal profile reconstruction.
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