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髓核蛋白多糖含量与退行性变腰椎间盘MRI信号强度的相关性

Journal of Clinical Rehabilitative Tissue Engineering Research(2007)

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Abstract
目的:探讨退行性变腰椎间盘MRI信号强度和髓核蛋白多糖含量之间的相关性,评价MRI在椎间盘生化状态评估中的价值.方法:①对象:随机选择的腰椎间盘髓核样本,取自2006-08/2007-01在山东省千佛山医院手术的33例患有腰椎间盘突出症的患者,患者对实验均知情同意.②方法:术前测量腰椎间盘正中矢状面MRIT2WI信号值;术后用紫外分光光度法测量髓核蛋白多糖的含量.③评估指标:对照研究依据Minna tertti法分为Ⅱ类、Ⅲ类腰椎间盘的MRIT2WI信号强度及髓核蛋白多糖含量,并用Pearson相关检验评估两者之间的相关性.结果:Ⅲ类腰椎间盘正中矢状位T2WI信号强度和髓核蛋白多糖含量明显低于Ⅱ类椎间盘(P<0.001),MRI T2WI信号值和髓核蛋白多糖含量之间的相关系数分别为0.674,0.658(P<0.001).结论:腰椎间盘MRI T2WI信号强度随髓核蛋白多糖含量的减少而降低,二者之间有明显的相关性.MRI是评价椎间盘生化状态的良好工具.
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