Objective Proximal junctional kyphosis (PJK) is a widely recognized complication of adult
spinal deformity surgery, and various PJK prevention strategies have been reported in …

Study Design: Systematic review. Objectives: To summarize the results of clinical studies
investigating spinal instrumentation techniques aiming to reduce the postoperative …

OBJECTIVE Proximal junctional kyphosis (PJK) is a complication of surgical management
for adult spinal deformity (ASD) with a multifactorial etiology. Many risk factors are …

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

BACKGROUND CONTEXT Pedicle subtraction osteotomy (PSO) is highly effective as a
sagittal correction approach in patients with adult spinal deformity, but relevant issues such …

Study Design. Retrospective study. Objective. To analyze proximal junctional kyphosis (PJK)
occurrence and surgical outcomes according to degree of lumbar lordosis (LL) correction …

Balanced and patient-specific harmonious spinal alignment is important for upright posture
maintenance, biomechanical stability, and to decrease energy used to stand and ambulate …

Study Design. Retrospective study. Objective. The aim of this study was to investigate the
long-term fate of asymptomatic PJK focusing on the elderly patients with sagittal imbalance …

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 identify the risk factors for revision surgery
among neurologically intact patients with proximal junctional failure (PJF) after adult spinal …