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 determine factors controlling sagittal
spinal balance after long adult lumbar instrumentation and fusion from the thoracolumbar …

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 …

The treatment of adult spinal deformities often involves long thoracolumbar fusions into the
lower lumbar spine, raising the debate of selecting L5 or S1 as the caudal extent of the …

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

Radiographic factors that correlate with outcome following long posterior fusion to L5 for
adult scoliosis were investigated. Measurement of thoracic, lumbar, and fractional …

OBJECTIVE L5–S1 stand-alone anterior lumbar interbody fusion (ALIF) is a reliable
technique to treat symptomatic degenerative disc disease but remains controversial for …

Study Design. Retrospective study. Objective. To analyze the causes, prevalence of, and risk
factors for sagittal thoracic decompensation in adult lumbar spinal instrumentation and …

Study Design. A retrospective radiographic assessment of the maintenance of sagittal
alignment in patients undergoing short-segment instrumented fusions in a knee-chest …

There is a debate regarding the distal fusion level for degenerative lumbar scoliosis.
Whether a healthy L5-S1 motion segment should be included or not in the fusion remains …