突出髓核对神经根挤压作用的临床意义——71例腰椎间盘突出症患者CT(MRI)轴位像分析
Zhongguo gu shang = China journal of orthopaedics and traumatology(2008)
Abstract
目的:观察突出髓核与关节突关节及椎板(黄韧带)的挤压作用对椎管内神经根的影响,并探讨其临床意义。方法:以CT或MRI轴位像为依据,将71例(男45例,女26例;年龄13~59岁,平均37.5岁)腰椎间盘突出症患者按照突出髓核和关节突关节或(和)椎板(黄韧带)间距大小分为3型,测量椎间盘矢状径指数(SI)、患侧直腿抬高角度。观察SI值、间距分组与患侧直腿抬高角度的相关性。结果:患者年龄、性别、SI与患侧直腿抬高角度无关(P>0.05),间距分组与患侧直腿抬高角度呈负相关(r=-0.8787,P<0.01)。结论:突出髓核与关节突关节及椎板(黄韧带)等对神经根的挤压作用反映了神经根的受压程度。
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Key words
lumbar disc herniation,straight leg raising test,protruded nucleus pulposus
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