Introduction Instability in the lumbar spine is a well-recognized entity for both degenerative and traumatic processes. Less well defined is instability following an index decompressive or fusion procedure. This complex issue can exist as iatrogenic destabilization at either the same…
Chapter Preview Chapter Synopsis Nonunions and implant failures of the cervical spine indicate a failure to stabilize the spine biomechanically. The most difficult failures to reconstruct are multilevel corpectomy procedures. The assessment and reconstructive methods that are needed are discussed…
Chapter Preview Chapter Synopsis The ability for cervical total disk arthroplasty (TDA) to treat specific cervical spine disorders while maintaining cervical motion is now feasible. Although unclear, it appears that cervical TDA may be an effective alternative to anterior cervical…