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Updated: Jul 22, 2025

Three-dimensional Navigation-guided, Prone, Single-position, Lateral Lumbar Interbody Fusion Technique
Published on: July 15, 2021
Lumbar Pedicle Subtraction Osteotomy (PSO): A Novel Surgical Technique for Correction of Sagittal and Coronal
Justin K Scheer1, Aaron J Clark1, Kyle Mitsunaga2
1Department of Neurological Surgery, University of California-San Francisco (UCSF), San Francisco, CA.
Study Design:
Operative video and supplemental manuscript.
Objective:
To present a novel step-by-step approach to performing a lumbar pedicle subtraction osteotomy (PSO) using laterally based satellite rods.
Summary Of Background Data:
Multi-rod constructs have demonstrated paramount for decreasing rates of pseudarthrosis after PSOs. Multi-rods constructs can be achieved using either "satellite" rods (rods not connected to the primary rods) and/or "accessory rods" (rods connected to the primary rods).
Methods:
A step-by-step approach to performing a lumbar PSO using a laterally based satellite rod configuration is provided through a case example and surgical technique video.
Results:
Lateral satellite rods can be particularly useful from a surgical perspective, as they provide temporary stabilization while the PSO is being performed, facilitate closure of the osteotomy site (symmetric and/or asymmetric), and serve as the final fixation rods across the PSO without needing to be exchanged.
Conclusions:
Use of laterally based satellite rods is a useful technique for lumbar PSOs, as they provide temporary stabilization while the PSO is being performed, facilitate closure of the osteotomy site, and serve as the final fixation rods across the PSO without needing to be exchanged.
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