精神分裂症高危人群和首次发病未用药患者及正常人群大脑结构比较

被引:4
作者
李海燕
范敏珍
周超
宁玉萍
机构
[1] 广州市脑科医院(广州市惠爱医院)
关键词
精神分裂症; 高危人群; 大脑结构;
D O I
暂无
中图分类号
R749.3 [精神分裂症];
学科分类号
100205 ;
摘要
目的:比较精神分裂症患者一级亲属(高危人群)和家族史阴性、首发未用药患者及正常人群之间大脑结构形态的差异。方法:应用基于体素的形态学研究方法(VBM),对满足入组标准的高危组(患者的一级亲属且无精神症状)10例、首发组(首次发病未用药且家族史阴性)10例及正常人群(正常对照组)10名进行头颅核磁共振扫描和VBM分析,比较各组之间各脑区灰质体积的变化。结果:与正常对照组相比,高危组左侧扣带回内部和扣带旁回的灰质体积出现显著性缺损(cluster=26voxel;MNI:-7,-27,30);首发组左侧丘脑灰质体积较小(cluster=580 voxel;MNI:-10,-17,12)。与高危组相比,首发组左侧岛叶灰质体积较小(cluster=1 197 voxel;MNI:-38,-16,-5)。结论:精神分裂症患者大脑结构异常与遗传和环境均有一定的联系。
引用
收藏
页码:166 / 168
页数:3
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