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

Study Design: Systematic review. Objectives: To summarize the results of clinical studies
investigating spinal instrumentation techniques aiming to reduce the postoperative …

Purpose There are still no data proving whether restoring the ideal sagittal profile (according
to Roussouly classification) in adult scoliosis (AS) patients leads to any additional benefit …

BACKGROUND: Proximal junctional kyphosis (PJK) and proximal junctional failure (PJF)
can be catastrophic complications associated with adult spinal deformity (ASD) surgery …

Study Design. A propensity-matched comparison of risk factors for proximal junctional failure
(PJF), which is a symptomatic proximal junctional kyphosis developing after corrective …

Study Design: Meta-analysis. Objective: Proximal junctional kyphosis (PJK) is a complication
of surgical management for adult spinal deformity with a multifactorial etiology. Many risk …

Abstract Background Context Little is known about the effect of rod stiffness as a risk factor of
proximal junctional kyphosis (PJK) after adult spinal deformity (ASD) surgery. Purpose The …

Objective The objective of this retrospective study is to identify the best immediate
postoperative radiological predictors for the occurrence of proximal junctional kyphosis …

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 …

Introduction Proximal junctional kyphosis (PJK) is a relatively common complication
following spinal deformity surgery that may require reoperation. Although isolating the …