Proximal junction kyphosis (PJK) is a common imaging finding after long-level fusion, and
proximal junctional failure (PJF) is an aggravated form of the progressive disease spectrum …

Background Different constructs are applied in revision surgery (RS) for adjacent segment
disease (ASD) aiming to further decompress and fixate the affected segment (s) in two ways …

Purpose This study aimed to validate the usefulness of the global alignment proportion
(GAP) score to predict postoperative mechanical failure in the elderly (mean age, 70.5 …

Study Design: Systematic review. Objectives: Osteoporosis predisposes patients undergoing
thoracolumbar (TL) fusion to complications and revision surgery. Cement augmentation (CA) …

Study Design. Diagnostic binary threshold analysis. Objective.(1) Perform a sensitivity
analysis demonstrating the test performance metrics for any combination of proximal …

Purpose Many authors tried to explain proximal junctional kyphosis (PJK) after adolescent
idiopathic scoliosis (AIS) surgery by looking for risk factors. Latest publications focus on …

Study design Descriptive radiographic analysis of a prospective multi-center database.
Objective This study aims to provide normative values of spinopelvic parameters and their …

Study Design. Retrospective cohort study. Objective. Understand the benefit of addressing
malalignment in revision surgery for proximal junctional kyphosis (PJK). Summary of …

Background This study aimed to analyze the risk factors for proximal junctional kyphosis
(PJK) for patients with chronic symptomatic osteoporotic thoracolumbar fractures (CSOTLF) …

Objective To establish a predictive scoring system for proximal junctional kyphosis (PJK)
after posterior internal fixation in elderly patients with chronic osteoporotic vertebral fracture …