前庭性偏头痛神经通路的功能性核磁研究

于焕新; 李海艳; 印志娴; 张金玲; 刘钢

doi:10.13201/j.issn.1001-1781.2017.12.003

前庭性偏头痛神经通路的功能性核磁研究

- 1 天津市环湖医院耳鼻咽喉头颈外科(天津, 300350)

详细信息

通讯作者: 于焕新,E-mail:yuhuanxin55@163.com

中图分类号: R747.2

收稿日期: 2016-12-28

The fMRI research of vestibular migraine neural pathways

- Department of Otolaryngology Head and Neck Surgery, Tianjin Huanhu Hospital, Tianjin, 300350, China

More Information

Corresponding author: YU Huanxin, E-mail: yuhuanxin55@163.com

Received Date: 28 December 2016

摘要

摘要: 目的:探索前庭性偏头痛(VM)患者的异常神经通路,并定位其功能区,以推断其可能的发病机制。方法:对VM组(20例)、无先兆的偏头痛(MwoA)组(20例)和健康对照组(20例)分别进行冷水灌耳试验,选择刺激时以及刺激间歇期的全脑血氧饱和度依赖的功能核磁共振成像(BOLD fMRI),获取VM组、MwoA组及健康对照组的激活区,进行组间对比。结果:所有试验对象冷水灌耳试验后,多处皮层及皮层下区域激活,顶叶、颞叶、岛叶皮质、扣带回、丘脑、尾状核区、视辐射、楔前叶均观察到BOLD信号明显改变。对比发现VM患者的丘脑背内外侧核区正激活,枕颞内侧回皮质负激活(P<0.05)。结论:fMRI能较客观清晰地反应脑部各功能区活动情况;VM患者发病机制为丘脑背内外侧区及枕颞内侧回皮质异常激活,在前庭感觉通路传递过程中与痛觉通路产生交叉。
- 前庭性偏头痛 /
- 功能性核磁共振 /
- 脑功能区
Abstract: Objective: To investigate the abnormal functional response of neural pathways of vestibular migraine (VM) patients,located the functional area,and inferred the possible mechanism.Method: Twenty patients of VM,20 of migraine without aura(MwoA),and 20 of healthy controls(HC),underwent whole-brain blood oxygen level-dependent(BOLD) fMRI during ear irrigation with cold water. We chose the stimulation image and the diapause stimulation image. Analyses explored functional area with BOLD signal change of the three groups.Result: We observed task-positive BOLD signal change in cortical and subcortical pattern in response to ear irrigation of all participants. Such as parietal lobe,temporal lobe,insular lobe,cingulate gyrus,thalamus,caudate nucleus,optic radiation,precuneus. VM patients showed a significantly task-negativen in thalamic and fusiform gyrus in comparison with the other groups(P<0.05).Conclusion: fMRI could response the respective functional area objectively. We inferred the possible mechanism of VM was abnormal activation of thalamus and fusiform gyrus,produced crossing between the vestibular sensory pathway conduction and the pain conduction.
- vestibular migraine /
- fMRI /
- brain functional region

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