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The efficacy of a percutaneous expandable titanium device in anatomical reduction of vertebral compression fractures of the thoracolumbar spine.

AbstractOBJECTIVES:
To evaluate the feasibility of a minimally invasive technique using a titanium expandable device to achieve anatomical restoration of vertebral compression fractures (VCF) of the thoracolumbar spine.
METHODS:
This prospective study included 27 patients diagnosed with VCF (Magerl classification A.1.2, A.1.3, and A.3.1) of the thoracolumbar spine treated with percutaneous cement augmentation using the SpineJack® device. The study was conducted in Valladolid University Hospital, Valladolid, Spain from January to December 2012, with a minimum one-year follow up. Preoperative evaluation included visual analogue scale (VAS) for pain, and radiological assessment of the VCF using 3-dimensional computed tomography (3D-CT) scans for measurements of vertebral heights and angles. The patients were followed at 3, 6, and 12 months with clinical VAS and radiological assessments.
RESULTS:
The procedure was performed in 27 patients with a mean age of 55.9 ± 17.3 years, 55.6% females. All patients underwent surgery within 6 weeks from time of injury. No procedure related complications occurred. Pain measured by VAS score decreased from 7.0 preoperatively to 3.2 within 24 hours, and remained 2.2 at 3 months, 2.1 at 6 months, and 1.5 at 12-months follow-up (p<0.05). Mean height restorations for the anterior was 3.56 mm, central was 2.49, and posterior vertebral was 1.28 mm, and maintained at 12-months follow-up (p=0.001).
CONCLUSION:
This new percutaneous technique for VCF has shown good clinical results in pain control and the possibility to reduce both vertebral kyphosis angles and fractured endplates seen in 3D-CT scans assessment method. Further studies are needed to confirm those results on larger cohorts with long-term follow up. 
AuthorsSaleh S Baeesa, Antonio Krueger, Francisco A Aragón, David C Noriega
JournalSaudi medical journal (Saudi Med J) Vol. 36 Issue 1 Pg. 52-60 (Jan 2015) ISSN: 0379-5284 [Print] Saudi Arabia
PMID25630005 (Publication Type: Journal Article, Observational Study)
Chemical References
  • Titanium
Topics
  • Adult
  • Aged
  • Aged, 80 and over
  • Female
  • Fracture Fixation, Internal (instrumentation, methods)
  • Fractures, Compression (diagnostic imaging, surgery)
  • Humans
  • Imaging, Three-Dimensional
  • Internal Fixators
  • Lumbar Vertebrae (diagnostic imaging, injuries)
  • Male
  • Middle Aged
  • Prospective Studies
  • Spinal Fractures (diagnostic imaging, surgery)
  • Thoracic Vertebrae (diagnostic imaging, injuries)
  • Titanium
  • Tomography, X-Ray Computed
  • Treatment Outcome
  • Young Adult

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