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Usefulness of dynamic stabilisation with mobile percutaneous pedicle screw for thoracic vertebral fractures in diffuse idiopathic skeletal hyperostosis
  1. Yawara Eguchi1,
  2. Munetaka Suzuki2,
  3. Sumihisa Orita1,3 and
  4. Seiji Ohtori1
  1. 1Department of Orthopaedic Surgery, Chiba University, Chiba, Japan
  2. 2Department of Orthopaedic Surgery, Shimoshizu National Hospital, Yotsukaido, Japan
  3. 3Department of Orthopaedic Surgery, Chiba University Center for Frontier Medical Engineering, Chiba, Japan
  1. Correspondence to Dr Yawara Eguchi; yawara_eguchi{at}yahoo.co.jp

Abstract

We report a case of vertebral fracture with diffuse idiopathic skeletal hyperostosis (DISH) who underwent posterior dynamic stabilisation using mobile percutaneous pedicle screws (PPS) with 1 above-1 below and obtained good bone fusion. A 76-year-old man experienced severe low back pain after he fell backward 1 m off a stepladder during work. A 12th thoracic vertebral fracture with DISH was observed. As the fractured part was unstable due to a three-column injury, and the conservative treatment of resting was not successful, posterior dynamic stabilisation with a mobile PPS between T11–L1 was performed the 38th day after injury. Immediately after surgery, a fracture gap was observed, but 5 months later, vertebral body height was shortened by about 4 mm, and good bone fusion was observed without loosening of the screw. The mobile PPS flexibly adapts to spinal plasticity and may be useful for bone union in vertebral fractures associated with DISH.

  • orthopaedic and trauma surgery
  • orthopaedics
  • spinal cord

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Footnotes

  • Contributors YE conducted data collection and data entry, performed the statistical analysis and wrote the manuscript. MS cooperated with the surgical treatment. SOrita and SOhtori developed data collection and participated in the design of the study. All authors contributed to and approved the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer-reviewed.

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