MRI扩散张量成像在脊髓型颈椎病中的诊断价值

被引:10
作者
李明
高显达
丁文元
杨大龙
孙家元
马雷
机构
[1] 河北医科大学第三医院脊柱外科
关键词
颈椎病; 脊髓T2WI信号比值; 弥散磁共振成像;
D O I
暂无
中图分类号
R445.2 [核磁共振成像]; R681.55 [];
学科分类号
100231 [临床病理学];
摘要
目的探索MRI扩散张量成像检查在脊髓型颈椎病诊断中的价值。方法纳入脊髓型颈椎病患者37例,均接受颈前路减压植骨融合内固定手术。根据术前脊髓T2WI信号比值(signal intensity ratio,SIR)分为3组:A组11例, SIR<1.32;B组12例,SIR 1.32~1.68;C组14例, SIR>1.68。比较3组临床资料、FA值、日本矫形外科协会(Japanese Orthopaedic Association,JOA)评分和细化肢体功能评价。应用Pearson检验分析JOA评分与FA值的相关性。结果 3组均顺利完成手术。3组间手术时间、出血量、脑脊液漏发生率差异均无统计学意义(P>0.05)。C组FA值低于A组和B组(P<0.05)。术前和随访时,C组JOA评分低于A组和B组,3组随访时JOA评分高于术前,C组JOA评分改善率低于A组(P<0.05)。术前和随访时,C组正常步长6 m行走时间长于A组和B组,3组随访时正常步长6 m行走时间短于术前(P<0.05)。术前,B组最大步长6 m行走时间长于A组,C组最大步长6 m行走时间长于A组和B组。随访时,C组最大步长6 m行走时间长于A组,3组随访时最大步长6 m行走时间短于术前(P<0.05)。术前,C组5次连续坐起时间长于A组和B组,随访时,B组5次连续坐起时间长于A组,C组5次连续坐起时间长于A组和B组,3组随访时5次连续坐起时间短于术前(P<0.05)。术前和随访时,C组10 s连续握松拳次数少于A组,3组随访时10 s连续握松拳次数多于术前(P<0.05)。术前JOA评分与FA值呈显著正相关,术后JOA评分改善率与FA值之间亦呈显著正相关(P<0.05)。结论 FA值可以作为髓内SIR显著升高脊髓型颈椎病患者的诊断指标;FA值与术后临床疗效密切相关。
引用
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页码:185 / 190
页数:6
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