Table 4

Indications for cervical total disc replacement (cTDR).

Cervical arthroplasty is indicated in patients meeting the following criteria:
  • Skeletally mature

  • Clinically symptomatic cervical radiculopathy and/or myelopathy due to neural compression C3-C7 at one-level or two contiguous levels

  • Failed at least 6 weeks of nonsurgical treatment or shows signs of progressively clinical deterioration

Clinically symptomatic pertains to one of the following:
  • Intractable radiculopathy (arm pain and/or a neurological deficit) with or without associated neck pain

  • Myelopathy (due to abnormality localized to the level of the disc space)