[HTML][HTML] Are higher global alignment and proportion scores associated with increased risks of mechanical complications after adult spinal deformity surgery? An …

KYH Kwan, LG Lenke, CI Shaffrey… - Clinical Orthopaedics …, 2021 - journals.lww.com
Background The Global Alignment and Proportion (GAP) score, based on pelvic incidence-
based proportional parameters, was recently developed to predict mechanical complications …

GAP score potential in predicting post-operative spinal mechanical complications: a systematic review of the literature

E Quarto, A Zanirato, M Pellegrini, S Vaggi… - European Spine …, 2022 - Springer
Purpose In 2017, the GAP score was proposed as a tool to reduce mechanical
complications (MC) in adult spinal deformity (ASD) surgery: the reported MC rate for the GAP …

Sagittal age-adjusted score (SAAS) for adult spinal deformity (ASD) more effectively predicts surgical outcomes and proximal junctional kyphosis than previous …

R Lafage, JS Smith, J Elysee, P Passias, S Bess… - Spine deformity, 2022 - Springer
Background Several methodologies have been proposed to determine ideal ASD sagittal
spinopelvic alignment (SRS–Schwab classification) global alignment and proportion (GAP) …

Relationship between Hounsfield units of upper instrumented vertebrae, proximal junctional failure, and global alignment and proportion score in female patients with …

A Hiyama, D Sakai, H Katoh, M Sato, M Watanabe - World Neurosurgery, 2022 - Elsevier
Study Design This was a retrospective observational study. Objectives The purpose of this
study was to evaluate bone mineral density using Hounsfield unit (HU) values at the upper …

Revision surgery in proximal junctional kyphosis

M Cerpa, Z Sardar, L Lenke - European spine journal, 2020 - Springer
Introduction Proximal junctional kyphosis (PJK) is a relatively common complication
following spinal deformity surgery that may require reoperation. Although isolating the …

Does the Global Alignment and Proportion score overestimate mechanical complications after adult spinal deformity correction?

GR Baum, AS Ha, M Cerpa, SL Zuckerman… - … of Neurosurgery: Spine, 2020 - thejns.org
OBJECTIVE The goal of this study was to validate the Global Alignment and Proportion
(GAP) score in a cohort of patients undergoing adult spinal deformity (ASD) surgery. The …

The T4-L1-hip axis: defining a normal sagittal spinal alignment

J Hills, LG Lenke, ZM Sardar, JC Le Huec, S Bourret… - Spine, 2022 - journals.lww.com
Study Design. This is a cross-sectional cohort. Objective. The aim was to describe sagittal
plane alignment and balance in a multinational cohort of nondegenerated, asymptomatic …

[HTML][HTML] Proximal Junctional Kyphosis or Failure After Adult Spinal Deformity Surgery-Review of Risk Factors and Its Prevention

BJ Lee, SS Bae, HY Choi, JH Park, SJ Hyun, DJ Jo… - Neurospine, 2023 - ncbi.nlm.nih.gov
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 …

State of the art: proximal junctional kyphosis—diagnosis, management and prevention

ZM Sardar, Y Kim, V Lafage, F Rand, L Lenke… - Spine Deformity, 2021 - Springer
Proximal junctional kyphosis (PJK) is a common problem that may occur following the
surgical treatment of adult patients with spinal deformity. It is defined as the proximal …

Surgical correction of adult spinal deformity in accordance to the Roussouly classification: effect on postoperative mechanical complications

TJ Bari, LV Hansen, M Gehrchen - Spine deformity, 2020 - Springer
Study design Single-center, retrospective. Objectives To assess the restoration of ideal
sagittal spine shape in accordance to the Roussouly classification and the effect on …