Global Alignment and Proportion (GAP) score in asymptomatic individuals: is it universal?

H Ma, Z Hu, B Shi, Z Liu, Z Zhu, WCW Chu, TP Lam… - The Spine Journal, 2022 - Elsevier
BACKGROUND The global alignment and proportion (GAP) score was established based
on American and European subjects, which might limit its applicability to the Chinese …

[HTML][HTML] Obeid-coronal malalignment classification is age related and independently associated to personal reported outcome measurement scores in the nonfused …

DC Kieser, L Boissiere, A Bourghli, K Hayashi… - Neurospine, 2021 - ncbi.nlm.nih.gov
Objective To evaluate Obeid-coronal malalignment (O-CM) modifiers according to age,
sagittal alignment, and patient-reported outcome measures (PROMs), in the mobile spine …

Identification of predictive factors for mechanical complications after adult spinal deformity surgery: a multi-institutional retrospective study

A Kawabata, T Yoshii, K Sakai, T Hirai, M Yuasa… - Spine, 2020 - journals.lww.com
Study Design. A retrospective multicenter observational study. Objective. To investigate
correction surgeries that were performed in relatively aged patients in terms of mechanical …

Adult spinal deformity surgical decision-making score: Part 1: development and validation of a scoring system to guide the selection of treatment modalities for patients …

T Fujishiro, L Boissière, DT Cawley, D Larrieu… - European Spine …, 2019 - Springer
Purpose We aimed to develop and internally validate a simple scoring system: the adult
spinal deformity (ASD) surgical decision-making (ASD-SDM) score, which is specific to the …

Multicenter validation of a formula predicting postoperative spinopelvic alignment

V Lafage, NJ Bharucha, F Schwab, RA Hart… - … of Neurosurgery: Spine, 2012 - thejns.org
Object Sagittal spinopelvic imbalance is a major contributor to pain and disability for patients
with adult spinal deformity (ASD). Preoperative planning is essential for pedicle subtraction …

Global alignment and proportion (GAP) scores in an asymptomatic, nonoperative cohort: a divergence of age-adjusted and pelvic incidence-based alignment targets

AM Wegner, S Iyer, LG Lenke, HJ Kim, MP Kelly - European Spine Journal, 2020 - Springer
Purpose To investigate GAP scores in an asymptomatic cohort of adults, including older
adults with age-expected changes in spinal alignment. Methods One hundred and twenty …

Assessment of the change in alignment of fixed segment after adult spinal deformity surgery

T Banno, T Hasegawa, Y Yamato, S Kobayashi… - Spine, 2018 - journals.lww.com
Study Design. Retrospective study. Objective. To determine the prevalence of loss in fixed
segment alignment after surgical correction of adult spinal deformity (ASD) and identify …

The timing of surgical staging has a significant impact on the complications and functional outcomes of adult spinal deformity surgery

H Hassanzadeh, JP Gjolaj, MH El Dafrawy, A Jain… - The Spine Journal, 2013 - Elsevier
Background context To our knowledge, the effect of the staging regimen on the surgical
outcome in patients undergoing combined anterior/posterior surgery for the treatment of …

The role of bone mineral density in adult spinal deformity patients undergoing corrective surgery: a matched analysis

SI Khalid, RS Nunna, JS Smith, RM Shanker… - Acta …, 2022 - Springer
Abstract Study design Retrospective cohort. Background Over 44 million adults are
estimated to have either osteoporosis or osteopenia. Adult spinal deformity (ASD) is …

Artificial intelligence clustering of adult spinal deformity sagittal plane morphology predicts surgical characteristics, alignment, and outcomes

WM Durand, R Lafage, DK Hamilton, PG Passias… - European Spine …, 2021 - Springer
Purpose AI algorithms have shown promise in medical image analysis. Previous studies of
ASD clusters have analyzed alignment metrics—this study sought to complement these …