腰椎间盘突出症患者下腰椎终板矢状面形态特征

被引:8
作者
丁浚哲
孔超
孙祥耀
鲁世保
机构
[1] 首都医科大学宣武医院骨科
关键词
腰椎间盘突出症; 终板; 终板形态; 腰椎退行性改变;
D O I
暂无
中图分类号
R681.53 [];
学科分类号
摘要
目的:观察腰椎间盘突出症(lumbar disc herniation,LDH)患者下腰椎(L3~S1)终板矢状面形态特征。方法:回顾性分析2016年6月~2017年7月就诊我院的腰椎间盘突出症患者和无明确腰椎疾病的志愿者。共纳入LDH患者141例,其中男61例,女80例,年龄61.6±10.1岁(41~79岁),身体质量指数(BMI)为26.3±3.4(18.3~33.2)。对照组纳入志愿者109例,其中男47名,女62名,年龄55.4±12.2岁(40~87岁), BMI为25.3±3.6 (17.6~32.5)。在腰椎CT正中矢状面重建图像上测量LDH患者椎间盘突出节段的终板形态和志愿者腰椎L3下终板至S1上终板的终板形态学参数,包括终板屈曲深度(ECD)、矢状面屈曲角(SCA)和终板屈曲顶点位置(ECA);相应节段椎间盘退变程度在MRI上通过Pfirrmann分级进行评估。应用t检验比较LDH组与对照组终板矢状面形态学参数;选择L4/5和L5/S1两节段中相同退变程度(PfirrmannⅢ级,PfirrmannⅣ级)的椎间盘,比较LDH组患者和对照组志愿者的终板矢状面形态。将LDH组患者和对照组志愿者终板数据合并后按照椎间盘退变程度分组(PfirrmannⅡ级~PfirrmannⅤ级),应用Kruskal-Wallis检验比较不同退变程度椎间盘终板形态参数的组间差异。结果:LDH组各节段终板ECD均显著低于对照组(L4上终板P=0.016,其余终板P<0.01),SCA均显著大于对照组(P<0.01);除L3下终板外(P=0.014),所有节段终板ECA的组间差异无统计学意义(P>0.05)。L4/5和L5/S1节段中PfirrmannⅢ级和Ⅳ级椎间盘终板,相同节段和退变分级的组间比较结果显示,LDH组终板ECD显著小于对照组(P<0.05),SCA显著大于对照组(P<0.05),ECA未出现组间显著性差异(P>0.05)。不同退变程度椎间盘终板形态参数组间比较显示,随着椎间盘退变进展,各节段ECD降低(P<0.01),SCA增大(P<0.01),ECA未出现一致的组间变化趋势。结论:LDH患者相比对照组志愿者,其下腰椎终板矢状面屈曲程度较低,退变程度较高的椎间盘其终板屈曲程度较小。
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页码:881 / 887
页数:7
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