Incidence and risk factors of proximal junctional kyphosis after internal fixation for adult spinal deformity: a systematic evaluation and meta-analysis

J Zhao, K Chen, X Zhai, K Chen, M Li, Y Lu - Neurosurgical review, 2021 - Springer
To investigate the factors associated with proximal junctional kyphosis (PJK). A systematic
search was performed. The weighted mean difference (WMD) was pooled for continuous …

Patients with proximal junctional kyphosis after stopping at thoracolumbar junction have lower muscularity, fatty degeneration at the thoracolumbar area

SJ Hyun, YJ Kim, SC Rhim - The Spine Journal, 2016 - Elsevier
Abstract Background Context There are several reports regarding pathogeneses and risk
factors for proximal junctional kyphosis (PJK) in adult spinal deformity surgery. However, the …

Compensatory mechanisms recruited against proximal junctional kyphosis by patients instrumented from the thoracolumbar junction to the iliac

J Pizones, FJS Perez-Grueso… - European Spine …, 2022 - Springer
Purpose The compensatory mechanisms recruited by un-instrumented patients against
sagittal imbalance are well documented. However, there is a lack of information regarding …

Upper instrumented vertebra–femoral angle and correlation with proximal junctional kyphosis in adult spinal deformity

HH Wu, D Chou, K Hindoyan, J Guinn, J Rivera… - Spine deformity, 2022 - Springer
Introduction Although matching lumbar lordosis (LL) with pelvic incidence (PI) is an
important surgical goal for adult spinal deformity (ASD), there is concern that overcorrection …

Preoperative Hounsfield units at the planned upper instrumented vertebrae may predict proximal junctional kyphosis in adult spinal deformity

YC Yao, J Elysee, R Lafage, M McCarthy, PK Louie… - Spine, 2021 - journals.lww.com
Study Design. Retrospective cohort study. Objective. To investigate the association between
Hounsfield units (HU) measured at the planned upper instrumented vertebra (UIV) and UIV+ …

Mismatch between proximal rod contouring and proximal junctional angle: a predisposed risk factor for proximal junctional kyphosis in degenerative scoliosis

P Yan, H Bao, Y Qiu, M Bao, JJ Varghese, X Sun, Z Liu… - Spine, 2017 - journals.lww.com
Study Design. A retrospective study. Objective. To investigate whether the mismatch
between proximal junctional angle (PJA) and the proximal rod contouring contributed to the …

Proximal junctional kyphosis in primary adult deformity surgery: evaluation of 20 degrees as a critical angle

KH Bridwell, LG Lenke, SK Cho, JM Pahys… - …, 2013 - journals.lww.com
BACKGROUND: Multiple studies have reported on the prevalence of proximal junctional
kyphosis (PJK) following spinal deformity surgery; however, none have demonstrated its …

Thoracolumbar junction orientation: a novel guide for sagittal correction and proximal junctional kyphosis prediction in adult spinal deformity patients

HJ Moon, KH Bridwell, AA Theologis, MP Kelly… - …, 2021 - journals.lww.com
BACKGROUND Novel radiographic sagittal parameters of the thoracolumbar junction
orientation (TLJO, thoracolumbar slope [TLS] and thoracolumbar tilt [TLT]) have been …

Spinal implant density and postoperative lumbar lordosis as predictors for the development of proximal junctional kyphosis in adult spinal deformity

J McClendon Jr, TR Smith, PA Sugrue, SE Thompson… - World neurosurgery, 2016 - Elsevier
Objective To evaluate spinal implant density and proximal junctional kyphosis (PJK) in adult
spinal deformity (ASD). Methods Consecutive patients with ASD receiving≥ 5 level fusions …

Calibration of a comprehensive predictive model for the development of proximal junctional kyphosis and failure in adult spinal deformity patients with consideration of …

PS Tretiakov, R Lafage, JS Smith, BG Line… - … of Neurosurgery: Spine, 2023 - thejns.org
OBJECTIVE The objective of this study was to calibrate an updated predictive model
incorporating novel clinical, radiographic, and prophylactic measures to assess the risk of …