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Related Experiment Video

Updated: Jun 28, 2026

Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

Modified Posterior Vertebral Column Resection for Patients with Thoracolumbar Kyphotic Deformity

Published on: September 16, 2022

Corrective osteotomies in spine surgery.

J Brian Gill¹, Andrew Levin, Tim Burd

¹Nebraska Foundation for Spinal Research, 11819 Miracle Hills Drive, Suite 102, Omaha, NE 68154, USA. jbgill@nebraskaspinecenter.com

The Journal of Bone and Joint Surgery. American Volume

|November 4, 2008

Summary

Spinal osteotomies correct sagittal plane imbalances caused by deformities like kyphosis. Different osteotomy types offer varying degrees of correction for conditions such as degenerative imbalance and ankylosing spondylitis, improving patient outcomes.

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Area of Science:

Orthopedic Surgery
Spinal Surgery
Deformity Correction

Background:

Spinal deformities, including thoracic kyphosis and loss of lumbar lordosis, cause sagittal plane imbalance.
These deformities lead to significant functional and psychological impairment.

Purpose of the Study:

To review various spinal osteotomy techniques for correcting sagittal plane imbalance.
To highlight the indications and efficacy of different osteotomy procedures.

Main Methods:

Review of spinal osteotomy techniques: Smith-Petersen osteotomy, pedicle subtraction osteotomy, cervical extension osteotomy, and vertebral column resection.
Discussion of their degrees of correction and specific patient populations.

Main Results:

Smith-Petersen osteotomy: ~10° correction per level, suitable for degenerative imbalance.
Pedicle subtraction osteotomy: 30-40° correction per level, preferred for ankylosing spondylitis.
Cervical extension osteotomy: Addresses cervical flexion deformities.
Vertebral column resection: For severe, combined deformities.

Conclusions:

Spinal osteotomies are effective in correcting diverse spinal deformities and sagittal plane imbalances.
Neurologic complications are the most common, but patient satisfaction and functional outcomes are generally high.