Purpose (a) Describe the time course of each mechanical complication, and (b) compare
radiographic measurements and preoperative patient-reported outcome measures (PROMs) …

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

Proximal junctional kyphosis (PJK) and adjacent segment degeneration (ASD) are important
causes of reoperation for adult spinal deformity (Figure 1). Reducing junctional …

Study Design. A retrospective cohort study. Objectives. The aim of this study was to evaluate
radiographic and patient-reported outcomes at minimum 2 years after revision surgery for …

The common goal of pediatric and adult spinal reconstructive procedures is to minimize long-
term risk of disability, pain, and mortality. A common complication that has proved …

Study Design. Systematic review of literature. Objective. To perform a comprehensive
English language systematic literature review of proximal junctional kyphosis (PJK) and …

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. Retrospective cohort study. Objective. The aim of this study was to investigate
the evolution of proximal junctional kyphosis (PJK) rate over 10-year enrollment period …

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 …

Background Low bone mineral density (BMD) is a well-established risk factor for mechanical
complications following adult spinal deformity (ASD) surgery. Hounsfield units (HU) …