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 …

Objective This study aimed to evaluate the utility of computed tomography (CT)–based
Hounsfield units (HUs) and magnetic resonance imaging–based Vertebral Bone Quality …

Study Design. Retrospective cohort study. Objective. To investigate the association between
Hounsfield units (HU) measured at the planned upper instrumented vertebra (UIV) and UIV+ …

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

OBJECTIVE Patients undergoing long-segment fusions from the lower thoracic (LT) spine to
the sacrum for adult spinal deformity (ASD) correction are at risk for proximal junctional …

Background and Objectives: In this retrospective cohort study, we investigate associations
between the Hounsfield units (HU) value of upper instrumented vertebra (UIV) and proximal …

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 …

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

Study Design. Retrospective study. Objective. To validate the age-adjusted ideal sagittal
alignment in terms of proximal junctional failure (PJF) and clinical outcomes. Summary of …

BACKGROUND Low bone mineral density (BMD) on dual energy x-ray absorptiometry
(DXA) is likely a risk factor for proximal junctional kyphosis (PJK) and proximal junctional …