Why Does C5 Palsy Occur After Prophylactic Bilateral C4-5 Foraminotomy in Open-Door Cervical Laminoplasty? A Risk Factor Analysis.

Study Design: Retrospective study.

Objectives: To evaluate the efficacy of bilateral C4-5 foraminotomy in preventing occurrence of postoperative C5 palsy and to identify possible risk factors for its development.

Methods: A total of 70 consecutive patients who underwent open-door laminoplasty with bilateral C4-5 foraminotomy were included.

Versatility of percutaneous pedicular screw fixation in metastatic spine tumor surgery: a prospective analysis.

Background: Posterior percutaneous spinal fixation (PPSF) has evolved to address the problems associated with metastatic spinal disease (MSD). This study was designed to evaluate the feasibility and spectrum of application of PPSF in the management of MSD, highlighting its clinical advantages.

Methods: Twenty-seven consecutive patients with MSD treated with PPSF in our institution from January 2011 to June 2014 were studied.