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Related Experiment Video

Updated: May 12, 2026

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

C-arm-Free Simultaneous OLIF51 and Percutaneous Pedicle Screw Fixation in a Single Lateral Position

Published on: September 16, 2022

Percutaneous Screw Distraction for Anatomic Restoration: Case Series.

Matthew C Findlay¹, Sam A Tenhoeve², Spencer Twitchell²

¹Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City , Utah , USA.

Operative Neurosurgery (Hagerstown, Md.)

|June 18, 2024

Summary

This summary is machine-generated.

Fixed-angle screws with distraction effectively stabilize traumatic thoracolumbar burst fractures, improving spinal canal decompression and vertebral height restoration. This technique offers significant deformity correction and reduces spinal canal compression in patients with these injuries.

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Area of Science:

Orthopedic Surgery
Spinal Surgery
Trauma Surgery

Background:

Traumatic thoracolumbar burst fractures present challenges for surgical correction, particularly kyphosis.
Traditional percutaneous pedicle screw fixation with distraction has limitations in achieving optimal anatomic restoration.
Fixed-angle screws offer potential for improved vertebral height restoration and spinal canal decompression.

Purpose of the Study:

To evaluate the radiographic outcomes of distraction across fixed-angle percutaneous screw systems.
To assess the effectiveness of this technique in restoring vertebral height and reducing spinal canal compromise.
To examine immediate and long-term radiographic results following surgical intervention.

Main Methods:

A case series of 22 patients with traumatic thoracolumbar fractures undergoing percutaneous pedicle screw fixation.
Radiographic measurements (cross-sectional area, vertebral body index, Cobb angle) were taken pre-distraction, post-distraction, and at long-term follow-up.
Statistical analysis included paired t-tests, Student's t-tests, Mann-Whitney U tests, and chi-squared tests.

Main Results:

Significant improvements were observed in injured-level cross-sectional canal area (28.6% increase) and vertebral body index (18.8° mean change).
The mean bisegmental Cobb angle improved by 6.2°, and vertebral body compression decreased by 22.4%.
Surgical experience correlated with improved outcomes, with superior cross-sectional area and compression ratios achieved with the final technique.

Conclusions:

Distraction across fixed-angle percutaneous screw instrumentation effectively stabilizes thoracolumbar burst fractures.
The technique demonstrates success in correcting deformity and decompressing the spinal canal.
Further research is needed to compare percutaneous instrumentation with open fusion for thoracolumbar trauma outcomes.