Factors influencing maintenance of alignment and functional improvement following adult spinal deformity surgery: a 3-year outcome analysis

PG Passias, L Passfall, K Moattari, O Krol, NA Kummer… - Spine, 2024 - journals.lww.com
Study Design. This was a retrospective review. Objective. To assess the factors contributing
to durability of surgical results following adult spinal deformity (ASD) surgery. Summary of …

The benefit of addressing malalignment in revision surgery for proximal junctional kyphosis following ASD surgery

PG Passias, O Krol, TK Williamson, V Lafage, R Lafage… - Spine, 2023 - journals.lww.com
Study Design. Retrospective cohort study. Objective. Understand the benefit of addressing
malalignment in revision surgery for proximal junctional kyphosis (PJK). Summary of …

Persistent Lower Extremity Compensation for Sagittal Imbalance After Surgical Correction of Complex Adult Spinal Deformity: A Radiographic Analysis of Early Impact

TK Williamson, P Dave, JM Mir, JS Smith… - Operative …, 2024 - journals.lww.com
METHODS: We included patients with complex ASD with 6-week data. LE parameters were
as follows: sacrofemoral angle, knee flexion angle, and ankle flexion angle. Each parameter …

Alignment targets, curve proportion and mechanical loading: preliminary analysis of an ideal shape toward reducing proximal junctional kyphosis

Y Katsuura, R Lafage, HJ Kim, JS Smith… - Global spine …, 2022 - journals.sagepub.com
Study Design: Retrospective cohort study. Objective: Investigate risk factors for PJK
including theoretical kyphosis, mechanical loading at the UIV and age adjusted offset …

Adult spinal deformity—postoperative standing imbalance: how much can you tolerate? An overview of key parameters in assessing alignment and planning …

F Schwab, A Patel, B Ungar, JP Farcy, V Lafage - Spine, 2010 - journals.lww.com
Study Design. Current concepts review. Objective. Outline the basic principles in the
evaluation and treatment of adult spinal deformity patients with a focus on goals to achieve …

Biomechanical analysis of complications following T10-Pelvis spinal fusion: A population based computational study

AQ Nguyen, C Rodriguez, R Kumar, S Gupta… - Journal of …, 2024 - Elsevier
Proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) are challenging
complications of long fusion constructs for the treatment of adult spinal deformity. The …

Identifying thoracic compensation and predicting reciprocal thoracic kyphosis and proximal junctional kyphosis in adult spinal deformity surgery

TS Protopsaltis, BG Diebo, R Lafage, JK Henry… - Spine, 2018 - journals.lww.com
Study Design. Retrospective analysis. Objective. To define thoracic compensation and
investigate its association with postoperative reciprocal thoracic kyphosis and proximal …

Under correction of sagittal deformities based on age-adjusted alignment thresholds leads to worse health-related quality of life whereas over correction provides no …

JK Scheer, R Lafage, FJ Schwab, B Liabaud, JS Smith… - Spine, 2018 - journals.lww.com
Study Design. Retrospective review of prospectively-collected database. Objective. This
study aims to compare 2-year clinical outcomes of patients who underwent surgical …

[HTML][HTML] Modified global alignment and proportion scoring with body mass index and bone mineral density analysis in global alignment and proportion score of each 3 …

SH Noh, Y Ha, JY Park, SU Kuh, DK Chin, KS Kim… - Neurospine, 2021 - ncbi.nlm.nih.gov
Objective This study aimed to analyze the prediction rate of the modified Global Alignment
and Proportion (GAP) scoring system with body mass index and bone mineral density …

Fine-tuning the predictive model for proximal junctional failure in surgically treated patients with adult spinal deformity

M Yagi, N Fujita, E Okada, O Tsuji, N Nagoshi… - Spine, 2018 - journals.lww.com
Study Design. Multicenter retrospective study. Objective. To validate and improve the
predictive model for proximal junctional failure (PJF) with or without the bone mineral density …