郭瑞敏;汪杜;杨卫;

• 1:武汉科技大学附属天佑医院医学影像科

摘要(Abstract)：

目的探究扩散张量成像(diffusion tensor imaging,DTI)量化值对脊髓型颈椎病患者术后神经功能预后的相关性。材料与方法选取2017年5月至2018年8月我院医学影像科收治的102例脊髓型颈椎病患者进行研究。患者均进行脊髓型颈椎病减压术,根据患者术后神经功能恢复情况分为良好组[日本骨科学会(Japanese Orthopaedic Association,JOA)恢复率≥60%]49例和不良组(JOA恢复率<60%)53例,观察DTI量、术后JOA评分,分析DTI量化值与JOA的关系。结果良好组存在T2WI高信号比例低于不良组,差异显著(χ2=17.21,P<0.01)。良好组术后各向异性分数(fractional anisotropy,FA)值高于不良组,术后ADC值低于不良组,差异显著(t=3.59、6.38,P<0.001)。两组术后λ∥值、λ⊥值比较无显著差异(t=0.592、1.321,P=0.554、0.189)。良好组术后JOA评分与JOA恢复率明显高于不良组,差异显著(t=7.22、15.1,P<0.0 0 1)。经相关性分析得到,术后FA值与术后J O A评分呈正相关(r=0.5 3, P <0.001),术后ADC值与JOA恢复率呈负相关(r=-0.42,P<0.001),术后λ⊥值与JOA恢复率呈负相关(r=-0.39,P=0.03)。结论 DTI量化值与脊髓型颈椎病患者术后神经功能恢复有关,DTI量化值与术后JOA评分有关,DTI量化值能够体现脊髓病理状态,并对术后神经功能预后具有预测价值。

关键词(KeyWords)： 扩散张量成像;量化值;脊髓型颈椎病;术后神经功能预后;表观扩散系数

Abstract:

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作者(Author): 郭瑞敏;汪杜;杨卫;

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参考文献(References)：

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