Study Design Retrospective cohort study. Objective Investigate the patterns of fused lumbar
alignment in patients requiring revision surgery for proximal junctional kyphosis (PJK) …

Study Design. Retrospective cohort study. Objective. Understand the benefit of addressing
malalignment in revision surgery for proximal junctional kyphosis (PJK). Summary of …

OBJECTIVE The authors of this study sought to evaluate the predictive role of global sagittal
alignment and upper instrumented vertebra (UIV) level in symptomatic proximal junctional …

Study Design: Retrospective chart review. Objective: The goal of this study is to examine the
relationship between global alignment and proportion (GAP) score and postoperative …

Study Design: Retrospective case series. Objective: Compensatory changes above a
proximal junctional kyphosis (PJK) have not been defined. Understanding these …

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 …

Study Design. Retrospective comparative cohort study. Objective. Assess the incidence, risk
factors, and outcomes of recurrent proximal junctional kyphosis (r-PJK) in PJK revision …

Study Design. Case control study. Objective. To evaluate risk factors in patients in 3 groups:
those without proximal junctional kyphosis (PJK)(N), with PJK but not requiring revision (P) …

Study Design. Retrospective review of prospectively collected data. Objective. The aim of
this study was to examine which radiographic parameters and surgical strategies are most …

Study Design. A retrospective study. Objectives. To evaluate the impact of upper
instrumented vertebra (UIV) orientation including the fused spinopelvic angle (FSPA) on …