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扩散张量成像对帕金森病患者的生命质量及功能障碍的评估 被引量:2

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摘要 目的研究帕金森病(PD)脑锥体外系和部分功能区的扩散张量成像(DTI)改变状况,探讨DTI对PD患者的生命质量、功能障碍以及病情的评估价值。方法PD患者30例作为研究组,按Hoehn—Yahr分级量表将双侧症状患者20例作为中晚期组(Hoehn—Yahr分级2—5级),单侧症状PD患者10例作为早期组(Hoehn—Yahr分级1~1.5级)。选取年龄和性别匹配的健康志愿者30例作为对照组,本研究采用PD专用量表39项帕金森病生命质量调查表(PDQ-39)进行自评,并进行常规MR头部平扫和DTI检查。经后处理得到部分各向异性(FA)图和表观扩散系数(ADC)图,手绘测量各兴趣区(ROI)(包括双侧的黑质、红核、壳核、尾状核、苍白球、丘脑、胼胝体压部、胼胝体膝部、扣带回、额叶深部白质和中央前回)的FA值和ADC值。将所获得数据进行统计分析。结果①中晚期组和早期组的黑质、尾状核、丘脑的FA值均较对照组明显减低(P=0.005,0.009,0.042;0.016,0.017,0.035;0.003,0.016,0.004);中晚期组黑质的FA值较早期组症状同侧黑质的FA值明显减低(P=0.023);早期组症状对侧和同侧的黑质FA值之间比较,差异有统计学意义(P=0.038);早期组和中晚期组PD患者胼胝体压部的FA值较对照组明显减低(P=0.034,P=0.002);中晚期组PD患者脑中央前回的FA值较对照组明显减低(P=0.015),且明显低于早期组症状对侧及症状同侧(P=0.044,P=0.020);中晚期组脑扣带回的FA值亦低于对照组(P=0.045);中晚期组和早期组其余ROI的FA值与对照组之间以及中晚期组与早期组之间比较,差异均无统计学意义(P〉0.05)。早期组、中晚期组和对照组之间各ROI的ADC值比较,差异元统计学意义(P〉0.05),但随着病情级别的增加,ADC值呈增高趋势。②PD患者黑质、丘脑、尾状核、扣带回及额叶深部白质FA值与PDQ-39得分呈正相关(r=0.714,0.547,0.854,0.885,0.514,P〈0.05),但其ADC值与PDQ-39得分无明显相关。③将早期组和中晚期组PD患者的PDQ.39得分进行独立样本t检验,早期组与中晚期组患者间PDQ-39得分比较,差异有统计学意义(P=0.012)。结论PD患者功能障碍与脑实质某些位置的FA值减低有关;黑质、丘脑、尾状核、额叶白质及扣带回FA值与生命质量相关,FA值减低,PD患者的生命质量下降;DTI可用于PD患者生命质量和功能障碍评估。
出处 《中华物理医学与康复杂志》 CAS CSCD 北大核心 2015年第8期585-588,共4页 Chinese Journal of Physical Medicine and Rehabilitation
基金 湖北省自然科学基金资助项目(2013CKB018,2013CFB110)
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参考文献14

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二级参考文献15

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