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学科主题: 临床医学
题名:
Comparison of adjacent segment degeneration five years after single level cervical fusion and cervical arthroplasty: a retrospective controlled study
作者: Sun Yu; Zhao Yan-bin; Pan Sheng-fa; Zhou Fei-fei; Chen Zhong-qiang; Liu Zhong-jun
关键词: cervical disc arthroplasty ; Bryan cervical disc prosthesis ; adjacent segment degeneration
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2012-11-20
DOI: 10.3760/cma.j.issn.0366-6999.2012.22.004
卷: 125, 期:22, 页:3939-3941
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]: DISC ARTHROPLASTY ; FOLLOW-UP ; DISEASE
英文摘要:

Background Cervical arthroplasty is indicated to preserve cervical motion and prevent accelerated adjacent segment degeneration. Whether accelerated adjacent segment degeneration is prevented in the long term is unclear. This trial compared adjacent segment degeneration in Bryan disc arthroplasty with that in anterior cervical decompression and fusion five years after the surgery.

Methods We studied patients with single level degenerative cervical disc disease. The extent of adjacent segment degeneration was estimated from lateral X-rays.

Results Twenty-six patients underwent single level Bryan disc arthroplasty and twenty-four patients underwent single level anterior cervical decompression and fusion. All patients were followed up for an average of sixty months. In the Bryan arthroplasty group, nine (17.6%) segments developed adjacent segment degeneration, which was significantly lower than that (60.4%) in the anterior cervical decompression and fusion group. Eleven segments in the Bryan arthroplasty group developed heterotopic ossification according to McAfee′s classification and two segments had range of motion less than 2 degrees. In the heterotopic ossification group, four (19.5%) segments developed adjacent segment degeneration, similar to the number in the non-heterotopic ossification group (16.7%). Adjacent segment degeneration rate was 50% in grade IV group but 11.8% in grade II to III.

Conclusions Adjacent segment degeneration was accelerated after anterior cervical decompression and fusion. However, Bryan disc arthroplasty avoided accelerated adjacent segment degeneration by preserving motion. Patients with grade IV heterotopic ossification lost motion, and the rate of adjacent segment degeneration was higher than that in patients without heterotopic ossification. Chin Med J 2012;125(22):3939-3941

语种: 英语
WOS记录号: WOS:000312748100005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58590
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 Orthopaed Surg, Beijing 100191, Peoples R China

Recommended Citation:
Sun Yu,Zhao Yan-bin,Pan Sheng-fa,et al. Comparison of adjacent segment degeneration five years after single level cervical fusion and cervical arthroplasty: a retrospective controlled study[J]. CHINESE MEDICAL JOURNAL,2012,125(22):3939-3941.
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