Learn more about what happened and how to prevent Interverbral Disc Disease here: http://www.celebritydachshund.com/ivdd-info/ Crusoe the Celebrity Dachshund underwent emergency surgery on his back 6 months ago because of a ruptured disc that was pushing on his spinal cord and causing him to lose control of his back legs. 25% of dachshunds are affected by IVDD (intervertebral disc disease).