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54. Jahrestagung der Norddeutschen Orthopädenvereinigung e. V.

Norddeutsche Orthopädenvereinigung

16.06. bis 18.06.2005, Hamburg

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2 year experiences with the Bryan Cervical Disc Prosthesis: results of the first 20 cases

Meeting Abstract

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  • corresponding author Z. Fekete - Klinikum Neustadt, Wirbelsäulenchirurgie & Skoliosezentrum, Neustadt
  • S. Nagel - Neustadt i.H.
  • M. Ahrens - Neustadt
  • A. Zielke - Bad Wildungen
  • H. Halm - Neustadt i.H.

Norddeutsche Orthopädenvereinigung. 54. Jahrestagung der Norddeutschen Orthopädenvereinigung e.V.. Hamburg, 16.-18.06.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc05novW1.07

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/nov2005/05nov028.shtml

Published: June 13, 2005

© 2005 Fekete et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.

Outline

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Introduction

This prospective clinical trial examined 20 consecutive patients (follow-up 2 years) who underwent cervical intervertebral disc replacement. The objective was to asses the clinical results and the ability of preservation of the motion in the operated level after implantation of the Bryan Cervical Disc Prosthesis for cervical degenerative disc disease.

Material & Method

For evaluation purposes the Neck Disability Index (NDI) and the Odoms criteria were used. The motion of the operated segment was measured by using standard fexion/extension lateral radiographs pre- and postoperatively. Neural compression was verified using magnetic resonance imaging. Niveau of significancy p<0.05.

Results

All operated levels (except one) maintained motion. No displacement or other complication occurred. Though the NDI showed significant improvements after 6 months, the 2y results have shown some worsening, because of emerging neck pain in the operated levels in selected patients.

Discussion

We can conclude that the cervical motion segment replacement with the Bryan Cervical Disc prosthesis is a safe method, which is able to maintain motion at the operated level. Though the motion can be preserved we have to take in account that consecutive neck pain could occur in the operated levels after 2 years. This results lead us to not losing sight of conventional anterior cervical fusion and keeping on developing new designs in cervical spine prothesis.