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Journal of Bone and Joint Surgery - British Volume, Vol 87-B, Issue 4, 508-512.
doi: 10.1302/0301-620X.87B4.15436  
Copyright © 2005 by British Editorial Society of Bone and Joint Surgery
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The Bryan cervical disc prosthesis as an alternative to arthrodesis in the treatment of cervical spondylosis

46 CONSECUTIVE CASES

J. Lafuente, LMS, FRCS, PhD, Specialist Registrar; and A. T. H. Casey, MBBS, FRCS, SN, Consultant Spinal Surgeon

The Victor Horsley Spinal Department

A. Petzold, MD, PhD, Consultant in Neurophysiology

Institute of Neurology

S. Brew, MBChB, MHB (Hons), MSc, FRANZCR, FRCR, Consultant Neuroradiologist

Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery & Institute of Neurology, Queen Square, London WC1N 3BG, UK.

Correspondence should be sent to Mr A. T. H. Casey; e-mail: athcasey{at}doctors.org.uk

We present data relating to the Bryan disc arthroplasty for the treatment of cervical spondylosis in 46 patients.

Patients with either radiculopathy or myelopathy had a cervical discectomy followed by implantation of a cervical disc prosthesis. Patients were reviewed at six weeks, six months and one year and assessment included three outcome measures, a visual analogue scale (VAS), the short form 36 (SF-36) and the neck disability index (NDI). The results were categorised according to a modification of Odom’s criteria. Radiological evaluation, by an independent radiologist, sought evidence of movement, stability and subsidence of the prosthesis.

A highly significant difference was found for all three outcome measurements, comparing the pre-operative with the post-operative values: VAS (Z = 6.42, p < 0.0001), SF-36 (mental component) (Z = –5.02, p < 0.0001), SF-36 (physical component) (Z = –5.00, p < 0.0001) and NDI (Z = 7.03, p < 0.0001). The Bryan cervical disc prosthesis seems reliable and safe in the treatment of patients with cervical spondylosis.




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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General