In percutaneous pedicle screw (PPS) fixation of the osteoporotic spine, rigid screw fixation
obtaining strong stabilization is important for achieving successful treatment outcomes …

Comparative Analysis of Effect of Density, Insertion Angle and Reinsertion on Pull-Out Strength
of Single and Two Pedicle Screw Constructs Using Synthetic Bone Model - PMC Back to Top …

Abstract Background Context There are situations that require the replacement of pedicle
screws. They are often exchanged when loose or broken or to accommodate a different …

Background Cement augmentation is a technique used to increase the stability and
purchase of pedicle screws in poor quality bone. Various methods can be applied for …

Introduction: Failed spinal fusion surgery sometimes requires salvage surgery when
symptomatic, especially with postsurgical decrease in intervertebral disc height followed by …

Study Design: A prospective, within-patient, left-right comparative study. Objective: To
evaluate the efficacy of hydroxyapatite (HA) stick augmentation method by comparing the …

Background Surgeons are routinely required to remove loose or failed pedicle screws and
insert a new screw in their place. However, inserting a new screw into an existing hole may …

Bone cement-augmented pedicle screw system demonstrates great efficacy in spinal
disease treatments. However, the intrinsic drawbacks associated with clinically used …

Intoduction Mechanical complications from spinal fusion including implant loosening or
junctional failure result in poor outcomes, particularly in osteoporotic patients. While the use …

Purpose Pedicle screws are widely used in spinal fusion surgery, while screw loosening
frequently occurs during spinal deformity correction. The aim of this study was to evaluate …