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学科主题: 临床医学
题名:
Sagittal Alignment Comparison of Bryan Disc Arthroplasty With ProDisc-C Arthroplasty A Prospective, Randomized Controlled Clinical Trial
作者: Zhao Yanbin; Sun Yu; Chen Zhongqiang; Liu Zhongjun
关键词: cervical disc arthroplasty ; FSU ; Bryan disc prosthesis ; ProDisc-C prosthesis
刊名: JOURNAL OF SPINAL DISORDERS & TECHNIQUES
发表日期: 2011-08-01
DOI: 10.1097/BSD.0b013e318201855f
卷: 24, 期:6, 页:381-385
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Clinical Neurology ; Orthopedics
研究领域[WOS]: Neurosciences & Neurology ; Orthopedics
关键词[WOS]: CERVICAL ARTHROPLASTY ; NECK PAIN ; FUSION ; REPLACEMENT ; MALALIGNMENT ; PROSTHESIS ; DISKECTOMY ; MYELOPATHY ; ADJACENT ; MOTION
英文摘要:

Study Design: A prospective, randomized study of the radiographic outcomes in patients undergoing single-level cervical arthroplasty with Bryan disc and ProDisc-C prosthesis.

Objective: The purpose of this trial was to compare the alignment changes of Bryan disc arthroplasty (modified techniques) with ProDisc-C arthroplasty.

Summary of Background Data: Aggravation of kyphosis is the known challenge after Bryan disc arthroplasty. Both Bryan disc arthroplasty with modified techniques and ProDisc-C arthroplasty were reported to avoid the postoperative local kyphosis. There have been no studies comparing the alignment changes after Bryan disc arthroplasty with ProDisc-C arthroplasty.

Methods: We conducted a randomized controlled clinical trial enrolling patients with cervical disc disease. Ultimately 20 patients received Bryan disc arthroplasty with modified surgical techniques and 26 patients received ProDisc-C arthroplasty. Functional spinal unit (FSU) and overall cervical alignment (Cobb angle of C2/7) were compared at final follow-up.

Results: (1) FSU angle: the FSU angle was maintained for the Bryan disc group (from 0.8 to 0.6 degrees) without statistical significance; the FSU angle increased 2.9 degrees for the ProDisc-C group (from -0.3 to 2.6 degrees) with statistical significance. (2) Overall alignment: the overall alignments did not change for both Bryan disc and ProDisc-C groups.

Conclusions: Bryan disc arthroplasty with modified techniques can maintain the lordosis of FSU, whereas ProDisc-C arthroplasty can restore the lordosis of FSU. For the patients with preoperative FSU kyphosis, ProDisc-C arthroplasty may be a better choice to restore the lordosis.

语种: 英语
WOS记录号: WOS:000293173600008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/52008
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 Yanbin,Sun Yu,Chen Zhongqiang,et al. Sagittal Alignment Comparison of Bryan Disc Arthroplasty With ProDisc-C Arthroplasty A Prospective, Randomized Controlled Clinical Trial[J]. JOURNAL OF SPINAL DISORDERS & TECHNIQUES,2011,24(6):381-385.
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