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学科主题: 临床医学
题名:
Application of cervical arthroplasty with Bryan cervical disc: long-term X-ray and magnetic resonance imaging follow-up results
作者: Zhao Yan-bin; Sun Yu; Chen Zhong-qiang; Liu Zhong-jun
关键词: Bryan cervical disc prosthesis ; cervical disc arthroplasty ; cervical disc degeneration
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2010-11-05
DOI: 10.3760/cma.j.issn.0366-6999.2010.21.009
卷: 123, 期:21, 页:2999-3002
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: SINGLE-LEVEL ; FUSION ; ANTERIOR ; ADJACENT ; PROSTHESIS ; CLASSIFICATION ; DECOMPRESSION ; DEGENERATION ; REPLACEMENT ; DISEASE
英文摘要:

Background Cervical disc arthroplasty is a new technique for treating degenerative cervical disease. Its goal is to avoid the degeneration of adjacent levels by preserving motion at the treated level. The aims of this study were to evaluate the radiologic outcomes of Bryan cervical disc replacement and the degenerative status of adjacent segments.

Methods Twenty-two patients at a single center underwent discectomy and implantation of Bryan cervical disc. The mean follow-up period was 60 months (57-69 months). Twenty patients underwent single-level arthroplasty and two underwent arthroplasty at two levels. The levels of surgery included C3/4 (3 levels), C4/5 (2 levels), C5/6 (18 levels) and C6/7 (1 level). Radiographic evaluation included dynamic X-ray examination and magnetic resonance imaging (MRI) at baseline and at final follow-up.

Results On X-ray examination, the range of motion (ROM) at the operated level was 7.2 degrees (2.50 degrees-13.0 degrees) at baseline and 7.8 degrees (1.0 degrees-15.0 degrees) at final follow-up (P >0.05). Heterotopic ossification around the prosthesis was observed in eight levels, and two levels showed loss of motion (ROM <2 degrees). MRI showed worsening by a grade at the upper level in 2/22 patients, and worsening by a grade at the lower level in 3/22, according to Miyazaki′s classification. No further impingement of the ligamentum flavum into the spinal canal was observed at adjacent levels, though the disc bulge was slightly increased at both the adjacent upper and lower levels at final follow-up.

Conclusions Arthroplasty using Bryan cervical disc prosthesis resulted in favorable radiologic outcomes in this study. Disc degeneration at adjacent levels may be postponed by this technique. Chin Med J 2010;123(21):2999-3002

语种: 英语
WOS记录号: WOS:000284387200009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/52090
Appears in Collections:北京大学第三临床医学院_骨科_期刊论文

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作者单位: Peking Univ, Hosp 3, Dept Orthoped Surg, Beijing 100191, Peoples R China

Recommended Citation:
Zhao Yan-bin,Sun Yu,Chen Zhong-qiang,et al. Application of cervical arthroplasty with Bryan cervical disc: long-term X-ray and magnetic resonance imaging follow-up results[J]. CHINESE MEDICAL JOURNAL,2010,123(21):2999-3002.
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