Chinese Journal of Tissue Engineering Research ›› 2012, Vol. 16 ›› Issue (9): 1635-1638.doi: 10.3969/j.issn.1673-8225.2012.09.027

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Application of semi-constrained and non-restrictive prostheses in cervical disc replacement

Lei Gao1, Luo De-min1, Xue Hou-jun2, Fang Guo-fang1, Pan Ya-wei1, Zhang Ding-cheng1, Zhou Jian-he1, Pan He-ke1   

  1. 1Department of Spinal and Joint Surgery, Dongguan Kanghua Hospital, Dongguan  523080, Guangdong Province, China;
    2 Department of Spinal Trauma Orthopaedics, People’s Hospital of Sanshui District of Foshan, Foshan  528100, Guangdong Province, China
  • Received:2011-08-18 Revised:2011-12-12 Online:2012-02-26 Published:2012-02-26
  • About author:Lei Gao, Chief physician, Professor, Department of Spinal and Joint Surgery, Dongguan Kanghua Hospital, Dongguan 523080, Guangdong Province, China lei.chenggao@126.com

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Abstract:

BACKGROUND: The artificial disc replacement (non-fusion technology) is a new surgical procedure based on traditional anterior cervical decompression and interbody fusion, and the use of non-fusion technology is a new concept.
OBJECTIVE: To compare the clinic results between semi-constrained and non-restrictive prostheses used in cervical disc replacement.
METHODS: A retrospective analysis was performed in 22 patients who received cervical artificial disc replacement. Two cases were replaced with non-restrictive prosthesis of Bryan, 15 cases were with semi-constrained prosthesis of Prodisc-C, and 5 cases were replaced with semi-constrained prosthesis of Activ-C. Comparisons of the operation time, bleeding and the active degree of cervical vertebrate after operation were performed in order to compare the displacement effects.
RESULTS AND CONCLUSION: Replacement with Bryan prosthesis had better active degree of cervical vertebrate after operation, but it cost longer operation time and its installation was more complicated. Installation of Prodisc-C and Activ-C was simple, but patients with these prostheses replacement had poor active degree of cervical vertebrate after operation. It is indicated that cervical disc replacement is effective in treatment of cervical spondylosis. Both semi-constrained and non-restrictive prostheses used in cervical disc replacement can lead to satisfied clinic results, and installation of Prodisc-C and Activ-C is simpler.

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