Lumbar degenerative disc disease is a pathologic process that affects a large portion of our
aging population. In the recent past, surgical treatment has involved fusion procedures …

Objective Screw loosening is a widely reported issue after spinal screw fixation and triggers
several complications after lumbar interbody fusion. Osteoporosis is an essential risk factor …

The mismatch between bony endplates (BEPs) and grafted bone (GB) triggers several
complications biomechanically. However, no published study has identified whether this …

The vertebral body's Hounsfield unit (HU) value can credibly reflect patients' bone mineral
density (BMD). Given that poor bone-screw integration initially triggers screw loosening and …

Background: Replacement of a diseased lumbar intervertebral disc with an artificial device,
a procedure known as lumbar total disc replacement (LTDR), has been practiced since the …

Purpose The primary goal of this Policy Statement is to educate patients, physicians,
medical providers, reviewers, adjustors, case managers, insurers, and all others involved or …

Purpose This study aimed at determining the variables that may prove useful in predicting
clinical outcomes following lumbar disc arthroplasty. Methods Pre-and post-operative …

Study Design This study was a prospective study with a minimum patient follow-up of 2
years. Objective The purpose of this study was to evaluate the clinical usefulness of a …

Background Contributions from Latin America to the global literature are scarce; until 2011,
spine surgeons had published 320 articles in indexed journals. Methods This systematic …

Objective We hypothesized that L5-S1 kinematics will not be affected by the lordosis
distribution between the prosthesis endplates. Materials and methods Twelve cadaveric …