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

Abstract Background Context Distal junctional kyphosis (DJK) is a primary concern of
surgeons correcting cervical deformity. Identifying patients and procedures at higher risk of …

BACKGROUND: Proximal junctional kyphosis (PJK) is a well-recognized complication in
patients undergoing posterior instrumented fusion procedures for adult spinal deformity …

Abstract Background Context Surgical correction of Scheuermann kyphosis (SK) is
challenging and plagued by relatively high rates of proximal junctional kyphosis and failure …

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

Purpose To evaluate the impact of the lowest instrumented vertebra (LIV) on Distal
Junctional kyphosis (DJK) incidence in adult cervical deformity (ACD) surgery. Methods …

Object Proximal junctional kyphosis (PJK) is a common and significant complication after
corrective spinal deformity surgery. The object of this study was to compare—based on …

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

Purpose Proximal junctional kyphosis (PJK) is a frequent proximal adjacent segment
disease following spinal fusion in adolescent idiopathic scoliosis (AIS) and its rate has been …

Study Design. Retrospective analysis of prospective data. Objective. Evaluate the utility of
the Hart-International Spine Study Group proximal junctional kyphosis severity scale (Hart …