Spinal fusion is among the most commonly performed surgical procedures for elderly
patients with spinal disorders–including degenerative disc disease with spondylolisthesis …

Proximal junctional kyphosis is a postoperative radiographic complication seen following
spinal deformity surgery in both adult and pediatric patients. Although the clinical …

Objective Adjacent segment disease, junctional kyphosis/failure and pseudarthrosis can
negatively impact the mid to long-term outcome in spinal deformity surgery. These …

Adult spinal deformity (ASD) is a complex pathology associated with spinal malalignment in
the coronal, sagittal, and axial planes. Proximal junction kyphosis (PJK) is a complication of …

Proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) are well-recognized
challenges of surgery for adult spinal deformity (ASD). Multiple risk factors have been …

Background This study aimed to investigate whether the distance between the C2 vertical
line and the femoral heads (C2-FH) is quasi-invariant for the sitting position. Methods A …

Background Spinopelvic parameters have hitherto dictated much of adult spinal deformity
(ASD) correction. The Roussouly classification is used for the normal adult spine. We …

OBJECTIVE Significant investigation in the adult population has generated a body of
research regarding proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) …

This study is a retrospective analysis aimed to understand the incidence and risk factors of
proximal junctional kyphosis (PJK) following long instrumented spinal fusion from L1 to the …

Objective To compare the outcomes of S1 foraminal hooks and iliac screws regarding fusion
rate at the lumbosacral junction and protective effects on S1 screws. Methods From January …