• A H Maniker, M Schulder, and H L Duran.
• Section of Neurosurgery, University of Medicine and Dentistry, New Jersey Medical School.
• Surg Neurol. 1995 Feb 1; 43 (2): 140-6.

BackgroundTrauma, neoplasia, rheumatoid arthritis, Down's syndrome, and inflammatory conditions are well-known causes of spinal instability. The Halifax clamp is a method of posterior cervical stabilization that is attached to the adjoining laminae and tightened until no movement between involved vertebrae is possible. Our experience with cases that have utilized Halifax interlaminar clamps, their results and complications are presented.MethodsWe conducted a retrospective review of patients with spinal instability in whom Halifax interlaminar clamps were utilized for posterior spinal stabilization.ResultsOver a 5-year period, 38 patients in our institution underwent posterior stabilization of the cervical spine utilizing the Halifax interlaminar clamp. The patients represent a mix of motor vehicle- and sports-related traumas, rheumatoid subluxation, and a single cancer patient. Average follow-up has been 29 months (range 3 to 36 months). Thirty (78.9%) patients have had good results (i.e., stable fusion and regression of symptoms) and no complications. Three patients from our institution, and a fourth patient referred to us postoperatively, developed complications related to the Halifax clamps. Four patients died from unrelated causes.ConclusionsHalifax interlaminar clamps are a safe and effective method for posterior stabilization of various causes of cervical spinal instability.

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