Spinal alignment is essential to a well-functioning musculoskeletal system. Normal standing
orientation as defined by Dubousset 1 is with the skull positioned roughly over the femoral …

Proximal junctional kyphosis (PJK) is one main complication in the surgical treatment of
adult spinal deformities. Ending within the thoracolumbar junction (TLJ) should but cannot …

Study Design: This was a retrospective cohort study using consecutive patients. Objectives:
The objectives of this study were to evaluate the effect of lumbar lordosis (LL) construction …

Objective To train and validate an algorithm mimicking decision making of experienced
surgeons regarding upper instrumented vertebra (UIV) selection in surgical correction of …

Study Design A retrospective study of surgical outcomes. Objective This study aimed to
investigate the preoperative risk factors for proximal junctional kyphosis (PJK) in adult spinal …

Purpose This study aimed to evaluate the effect of postoperative reciprocal progression of
Lordosis tilt (LT), Lordosis distribution index (LDI) and occurrence of Proximal junctional …

Study Design. Prospective cohort study. Objective. To compare the long-term, radiographic
coronal and sagittal outcomes of these two approaches at 10-year follow-up. Summary of …

Background The decision upper-most instrumented vertebrae (UIV) in a multi-level fusion
procedure can dramatically influence outcomes of corrective spine surgery. We aimed to …

Study design Retrospective cohort study. Objective To compare clinical outcomes and
radiographic parameters between patients treated with a posterior spinal fusion that had a …

Purpose Operative treatment of adult spinal deformity (ASD) has been shown to improve
patient health-related quality of life (HRQOL). Selection of the uppermost instrumented …