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人工椎间盘置换对颈椎临近节段活动度及椎间盘内压力的影响

张维成,麦伟,廖兴华,黄晓魏,方文焕,李智

China Clinical Practical Medicine（2009）

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Abstract
目的 观察人工椎间盘置换对颈椎临近节段活动度及椎间盘内压力的影响.方法 应用人工椎间盘置换术治疗颈椎病患者20例,于术中椎间盘置换前后分别测量临近节段椎间盘内压力,并于术前及术后3个月、半年分别摄颈椎动力位x线片,观察上下临近节段的活动度.结果 人工椎间盘置换术后颈椎临近节段椎间盘内压力较术前无明显变化(P＞0.05),上下临近关节活动度未显著增加(P＞0.05).结论 人工椎间盘置换在治疗颈椎病的同时保留正常的椎间运动而不影响邻近节段,从而防止邻近节段继发性退变.
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Key words
Cervical vertebrae,Intervertebral disc replacement,Adjacent segments,Range of movement,Pressure
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