Trans-intervertebral space osteotomy for post-traumatic thoracolumbar kyphosis: a minimum 2-year follow-up study - Report - MDSpire

Trans-intervertebral space osteotomy for post-traumatic thoracolumbar kyphosis: a minimum 2-year follow-up study

  • By

  • Yu-liang Sun

  • Tao Gu

  • Xuan-Geng Deng

  • Hua-Gang Shi

  • Wei Hou

  • July 3, 2026

  • 0 min

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Clinical Report: Trans-intervertebral Space Osteotomy for Post-Traumatic Kyphosis

Overview

This study evaluates the effectiveness of trans-intervertebral space osteotomy (TIO) in treating post-traumatic thoracolumbar kyphosis (PTK) over a minimum two-year follow-up. Results indicate improvements in spinal alignment and clinical outcomes.

Background

Post-traumatic thoracolumbar kyphosis (PTK) can result from inadequate treatment of thoracolumbar fractures, leading to severe deformities and associated complications. Effective surgical interventions are crucial for restoring spinal stability and function. TIO represents a novel approach to address this condition.

Data Highlights

ParameterPreoperativePostoperativeLast Follow-Up
Thoracic Kyphosis (TK)Improved (p < 0.05)
Thoracolumbar Kyphosis (TLK)Improved (p < 0.05)
Lumbar Lordosis (LL)Improved (p < 0.05)
Visual Analog Score (VAS)6.0 ± 1.11.2 ± 0.8
Oswestry Disability Index (ODI)56.9 ± 7.1%15.7 ± 3.9%

Key Findings

  • The average operation time for TIO was 277.4 ± 33.9 minutes.
  • Intraoperative blood loss averaged 704.5 ± 340.5 mL.
  • Improvements in TK, TLK, LL, FK, and SVA were observed postoperatively (p < 0.05).
  • All fixed segments achieved fusion with no internal fixation loosening or adjacent vertebral fractures.
  • Frankel classification improved from 8 grade D cases preoperatively to 3 grade D cases at final follow-up.

Clinical Implications

The findings indicate that TIO demonstrates effective correction of spinal deformity and improvement in quality of life metrics.

Conclusion

TIO for PTK patients yields radiographic and clinical outcomes, with successful fusion and minimal complications observed over a follow-up period of at least two years.

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