Study Design. Clinical case series. Objective. To describe a series of patients with
progressive sagittal decompensation caused by failure at the caudal end of an instrumented …

Study Design. A retrospective comparison study. Objective. To compare the postoperative
proximal junctional change and revision prevalence as influenced by 3 different proximal …

Study Design. A retrospective study. Objective. To assess the mechanisms and the
independent risk factors associated with proximal junctional kyphosis (PJK) in patients …

OBJECTIVE The incidence of proximal junctional kyphosis (PJK) after long-segment fixation
in patients with adult spinal deformity (ASD) has been reported to range from 17% to 61.7 …

OBJECTIVE Sagittal malalignment decreases patients' quality of life and may require
surgical correction to achieve realignment goals. High-risk posterior-based osteotomy …

Study Design A retrospective study. Object To investigate the rate of lumbosacral junction
complication after long corrective spinal fusion for degenerative kyphoscoliosis cases with …

Study Design: A retrospective review. Objective: To study time to development, clinical and
radiographic characteristics, and management of proximal junctional kyphosis (PJK) …

Study Design. A retrospective study of clinical results of operative treatment for degenerative
lumbar scoliosis. Objective. To determine the risk factors of sagittal decompensation after …

Study Design. Retrospective study. Objective. The aim of this study was to investigate the
risk factors for proximal junctional failure (PJF) following long instrumented fusion stopping …

To investigate the factors associated with proximal junctional kyphosis (PJK). A systematic
search was performed. The weighted mean difference (WMD) was pooled for continuous …