Effects of intervertebral distraction screw fixation of the lumbosacral joint on the adjacent lumbar segments in Beagles.

Objective: To investigate the effects of intervertebral distraction screw (IDS) fixation of the lumbosacral joint (LSJ) on the intervertebral foraminal area (IFA) and intervertebral stabilization of the LSJ and adjacent lumbar segments in dogs.

Animals: 7 healthy Beagles.

Procedures: Dorsal laminectomy was performed at the LSJ in each dog to expose the intervertebral disk.