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Mini-open pedicle subtraction osteotomy: surgical technique.

Michael Y Wang¹, Karthik Madhavan¹

¹Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.

World Neurosurgery

|October 10, 2012

Summary

Minimally invasive spinal surgery (MISS) can now improve sagittal balance using a mini-open pedicle subtraction osteotomy (PSO). This technique offers significant correction for thoracolumbar kyphoscoliosis, enhancing patient mobility.

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Area of Science:

Spine surgery
Orthopedics
Minimally invasive spinal surgery (MISS)

Background:

Minimally invasive spinal surgery (MISS) offers benefits like reduced blood loss and faster recovery for adult spinal deformities.
While MISS excels in correcting coronal deformity, improving sagittal balance and lordosis remains challenging.
Open surgery techniques, such as spinal osteotomy, are effective for sagittal balance correction.

Observation:

This report details a novel technique for thoracolumbar kyphoscoliosis using a mini-open pedicle subtraction osteotomy (PSO).
The procedure was combined with interbody fusion and percutaneous pedicle screws for comprehensive spinal stabilization.
A patient case demonstrated successful application of this mini-open PSO technique.

Findings:

Keywords:

BMP Interbody fusion Kyphosis Minimally invasive Osteotomy Pedicle screw Percutaneous Scoliosis Spinal deformity

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The patient achieved excellent clinical improvement, regaining independent ambulation.

Post-operative imaging showed significant correction of both coronal imbalance and sagittal imbalance (sagittal vertical axis).

The mini-open PSO approach effectively improved thoracolumbar lordosis.

Implications:

This mini-open PSO technique represents a breakthrough in addressing sagittal plane deformities via MISS.
It offers a viable solution for improving spinal alignment and patient function in complex cases.
Further research into this technique could expand MISS applications for spinal deformities.