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RISAdjacent Level Hypermobility and Instrumented Level Fatigue Loosening With Titanium and PEEK Rods for a Pedicle Screw System: An In Vitro Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Adjacentlevel disease is a common iatrogenic complication seen among patients undergoing spinal fusion for low back pain. This is attributed to the postsurgical differences in stiffness between the spinal levels, which ...
Biomechanical Evaluation of an Endplate Conformed Polycaprolactone Hydroxyapatite Intervertebral Fusion Graft and Its Comparison With a Typical Nonconformed Cortical Graft
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the thoracolumbar region, between 7% and 30% of spinal fusion failures are at risk for pseudarthrosis. From a biomechanical perspective, the nonconformity of the intervertebral graft to the endplate surface could ...