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010 Restoration of intervertebral disc mechanics after endplate deformity reduction using structural kyphoplasty
  1. S Renner1,
  2. A Dimitriadis1,
  3. L Voronov1,
  4. R Havey1,
  5. G Carandang1,
  6. B McIntosh1,
  7. C Carson2,
  8. D Ty2,
  9. A Patwardhan3
  1. 1Musculoskeletal Biomechanics Laboratory, Edward Hines Jr VA Hospital, Hines, Illinois, USA
  2. 2Spine Wave Inc., Shelton, Connecticut, USA
  3. 3Department of Orthopedic Surgery and Rehabilitation, Loyola University Chicago, Maywood, Illinois, USA

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Introduction/Purpose: Recent studies suggest endplate fracture incurred during vertebral compression fracture (VCF) increases nucleus volume which alters intervertebral disc mechanics. Altered disc behavior has been theorized to increase adjacent fracture risk. We hypothesized that reduction of endplate deformity after endplate fracture and vertebral compression fracture using structural kyphoplasty will restore disc mechanics to a pre-fractured state.

Material and Methods: Six thoracolumbar spine segments (T10-L2, T12-L4, L1-L5; 72.2 ± 6.4 years) were tested. A void was selectively created under the middle vertebra's upper endplate. The specimen was …

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