颈椎后路不同开门术式的生物力学评价  

Biomechanic evaluation of two different laminoplasty of cervical spine

作　　者：黄必留 李书纲[2] 邓启成 谭加群 梁江声 马量 

机构地区：[1]佛山市顺德区桂洲医院骨科,广东顺德528305 [2]北京协和医院骨科,北京100730 [3]佛山市顺德区均安医院,广东顺德528305

出　　处：《中国临床解剖学杂志》2007年第5期595-597,共3页Chinese Journal of Clinical Anatomy

基　　金：广东省社会发展领域科技计划项目基金资助(2004-69)

摘　　要：目的:比较颈椎后路单、双开门手术后的三维稳定性及抗疲劳性,为临床术式选择提供生物力学依据。方法:新鲜成人颈椎标本12例,模拟后路单、双开门椎管扩大术式,随机分2组,每组6例,A组行单开门,椎板开口间距为5mm;B组行双开门,棘突开口间距为5mm。标本进行生物力学测试,获得三维稳定性和抗疲劳性数据。统计方法采用独立样本t检验及配对样本t检验。结果:单开门术式组手术前、后与双开门术式组手术前、后颈椎的活动范围比较无显著性差异(P>0.05)。单、双开门术式在疲劳测试前后各个方向的运动范围无显著性差异(P>0.05)。结论:颈椎后路单、双开门术式的三维稳定性及抗疲劳性无差异,临床上可根据术者的熟练程度选择。Objective： To compare biomechanical characteristics between two different laminoplasties of cervical spine for clinical choice. Methods： 12 fresh cadaveric spine specimens were harvested and divided into 2 groups averagely. Samples of group A were performed one-door laminoplasty with the distance between vertebral planes of 5mm, as well group B performed two-door laminoplasty with the distance between spinal processes of 5mm. The data of the stability and antifatigue, including bending, extension, lateral bending and rotation, were collected and calculated. Results： There were no significant difference of ROM before and after operation between one-door and two-door laminoplasy groups （P〉0. 05）, as well ROM before and after fatigue test between one-door and two-door laminoplasty groups （P〉0.05）. Conclusions： The stability and antifatigue between one-door or two-door laminoplasty of cervical spine have no difference. It is important for selecting different operations according to clinical experience of operators.

关 键 词：颈椎 手术入路 生物力学 

分 类 号：R318.01[医药卫生—生物医学工程]