弥散张量成像在高血压性脑出血后皮质脊髓束损伤中的应用研究

被引:8
作者
孙伟
钱忠心
刘卫东
机构
[1] 上海市浦东新区浦南医院神经外科
关键词
高血压脑出血; 弥散张量纤维束成像; 皮质脊髓束;
D O I
暂无
中图分类号
R743.34 [脑出血]; R544.1 [高血压];
学科分类号
1002 ; 100201 ;
摘要
目的应用弥散张量纤维束成像(DTI)观察高血压性脑出血(HICH)皮质脊髓束(CST)的损伤,探讨DTI在HICH预后评估的临床应用价值。方法对16例HICH患者(壳核8例,丘脑7例,混合型1例)患者分别于入院时(7 d内)和发病后3个月进行DTI检查,以及肌力测定和美国国立卫生研究院卒中量表(NIHSS)评分。用平均部分各向异性(FA)和表观弥散系数(ADC)测量血肿层面周围的双侧CST,测定血肿面(患侧)/对侧面(健侧)的FA值和ADC值比率。结果 HICH患者中发病后3个月肌力较好组(肌力4-5级)的FA值比率与肌力较差组(肌力0~3级)比较,差异有统计学意义。而ADC比值在入院时及发病后3个月都没有差别。所有FA值比率>0.8患者的运动功能都有改善和预后好。然而有1例患者虽然FA值比率不是很高,但运动功能的预后也很好,其ADC值明显升高。CST完整的患者入院时和发病后3个月的肌力和NIHSS评分均比CST中断的患者好,发病后3个月是恢复最快的阶段。结论通过DTI的FA值比率可以了解基底核区HICH患者CST的损伤情况,有助于早期预测神经功能的恢复情况和指导治疗方案的制定。
引用
收藏
页码:230 / 234
页数:5
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