Background: Full-endoscopic spine surgery (FESS) is a suitable treatment for lumbar disc herniation (LDH) and foraminal stenosis. This study investigated the usefulness of FESS in treating adjacent segment disease (ASD)…

Background: The objective of this study is to determine the effectiveness and prognostic factors of revisional full endoscopic interlaminar discectomy (FEID) for recurrent herniation after conventional open disc surgery. The…

Study design: Retrospective cohort study at a single institution. Objective: To examine the effect of symptom duration on clinical outcomes after posterolateral lumbar fusion. Summary of background data: Nonoperative measures…

Study design: This is a retrospective cohort study. Objective: The objective of this study was to further elucidate the relationship between pelvic incidence-lumbar lordosis (PI-LL) mismatch and surgical outcomes in…

Background: Spines with ankylosis or with a history of lumbosacral fusions have been collectively classified as rigid and unbalanced, and associated with an increased rate of dislocation after total hip…

Purpose: Aim of this study was to compare the reconstruction of radiological sagittal spinopelvic parameters between lordotic (10°) and normal cages (0°) after dorsal lumbar spondylodesis. Methods: This retrospective monocentric…

Background: Two types of screw trajectories are commonly used in lumbar surgery. Both traditional trajectory (TT) and cortical bone trajectory (CBT) were shown to provide equivalent pull-out strengths of a…

doi: 10.2176/nmc.oa.2019-0255. Online ahead of print. Affiliations Expand Affiliations 1 Department of Spinal Surgery, Brain Attack Center, Ota Memorial Hospital. 2 Department of Neurosurgery, University of Occupational and Environmental Health.…