Biomechanical study on the effect of cervical spine fusion on adjacent-level intradiscal pressure and segmental motion.

Study Design: A biomechanical study was performed using cadaveric cervical spine specimens.

Objective: To determine the effect of cervical spine fusion on adjacent-level intradiscal pressure.

Summary Of Background Data: Clinical studies have reported that patients with spinal fusion are at greater risk of pathology and early disc degeneration at adjacent levels.