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Related Concept Videos

Secondary Spinal Cord Injury llI: Pathophysiology01:25

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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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Related Experiment Video

Updated: Apr 21, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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Modified Spinous Process-Splitting Approach for Thoracolumbar Burst Fractures With Neurological Deficits: Technical

Kaixuan Chen1, Yizhong Ma1, Zihui Yang1

  • 1Health Science Center, Ningbo University, Ningbo, China.

Orthopaedic Surgery
|April 20, 2026
PubMed
Summary

A modified spinous process-splitting approach (SPSA) effectively decompresses and stabilizes thoracolumbar burst fractures with neurological deficits. This technique preserves posterior structures, showing significant improvements in patient outcomes and spinal alignment.

Keywords:
Wiltse approachmuscle‐sparing techniqueneurological deficitposterior decompressionspinous process–splitting approachthoracolumbar burst fracture

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Area of Science:

  • Spine surgery
  • Orthopedic surgery
  • Neurosurgery

Background:

  • Thoracolumbar burst fractures with neurological deficits necessitate decompression and stabilization.
  • The spinous process-splitting approach (SPSA) offers neural decompression while preserving posterior osteoligamentous complex and minimizing muscle injury.

Purpose of the Study:

  • To describe a modified SPSA combining the Wiltse interval with spinous process splitting for spinal decompression.
  • To evaluate the feasibility, safety, and early clinical and radiographic outcomes of this modified SPSA technique.

Main Methods:

  • Retrospective review of seven male patients undergoing posterior fixation, decompression, and fusion via modified SPSA.
  • Assessment of American Spinal Injury Association (ASIA) grade, Visual Analog Scale (VAS) for pain, Gardner angle, anterior vertebral height ratio, and spinal canal encroachment ratio.

Main Results:

  • All procedures were successful with no neurological deterioration; patients improved by at least one ASIA grade.
  • Significant improvements observed in VAS scores, reduction in spinal canal encroachment, and restoration of vertebral height and alignment.
  • Radiographic union achieved in all fractures without loss of correction.

Conclusions:

  • Modified SPSA is a feasible technique for selected patients with thoracolumbar burst fractures and neurological deficits, offering decompression, reduction, and fixation while preserving posterior structures.
  • Further prospective comparative studies are needed to confirm long-term efficacy and establish optimal patient selection criteria.