Degenerative spinal deformity afflicts a significant portion of the elderly and is increasing in
prevalence. Recent evidence has revealed sagittal plane malalignment to be a key driver of …

Thoracic kyphosis tends to increase with age. Hyperkyphosis is defined as excessive
curvature of the thoracic spine and may be associated with adverse health effects …

Study Design. Retrospective cohort. Objective. To explore proximal junctional kyphosis
(PJK) as a function of age-adjusted surgical correction goals. Summary of Background Data …

BACKGROUND: The failure modes, time to development, and clinical relevance are known
to differ between proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) …

3. Results Fifteen consecutive patients who had previous ASD surgery and needed revision
surgery were included in this research. The average age ranged from 41 to 65 and the mean …

Purpose To analyse the incidence and risk factors associated with proximal junctional
kyphosis (PJK) following spinal fusion, we collect relative statistics from the articles on PJK …

Study Design. Propensity score matched analysis of a multi-center prospective adult spinal
deformity (ASD) database. Objective. Evaluate if surgical implant prophylaxis combined with …

Proximal junctional problems are among the potential complications of surgery for adult
spinal deformity (ASD) and are associated with higher morbidity and increased rates of …

Background context Correction of adult spinal deformity (ASD) by long segment
instrumented spinal fusion is an increasingly common surgical intervention. However, it is …

Objective. The aim of this study was to build a model based on baseline demographic,
radiographic, and surgical factors that can predict clinically significant proximal junctional …