Fu Cai-Hong, Li Kuang-Shi, Ning Yan-Zhe, Tan Zhong-Jian, Zhang Yong, Liu Hong-Wei, Han Xiao, Zou Yi-Huai
Department of Neurology and Stroke Center, Dongzhimen Hospital, the First Affiliated Hospital of Beijing University of Chinese Medicine, Beijing, China Shunyi Hospital Affiliated to Beijing Hospital of Traditional Chinese Medicine Department of Emergency, Beijing GuLou Hospital of Traditional Chinese Medicine The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University Department of Radiology, Dongzhimen Hospital, the First Affiliated Hospital of Beijing University of Chinese Medicine, Beijing, China.
Medicine (Baltimore). 2017 Nov;96(47):e8897. doi: 10.1097/MD.0000000000008897.
The aim of this study was to explore the response feature of resting-state networks (RSNs) of stroke patients with left hemiplegia by acupuncture stimulation.Nineteen stroke patients with left hemiplegia and 17 controls were recruited in this study. Resting-state functional magnetic resonance imaging data before and after acupuncture were acquired using magnetic scanning. The independent component analysis (ICA) was employed to extract RSNs related to motion, sensation, cognition, and execution, including sensorimotor network (SMN), left and right frontoparietal network (LFPN and RFPN), anterior and posterior default mode network (aDMN, pDMN), visual network (VN), and salience network (SN). Granger causality method was used to explore how acupuncture stimulation affects the causality between intrinsic RSNs in stroke patients. Compared with healthy subjects, stroke patients presented the more complex effective connectivity. Before acupuncture stimulation, LFPN inputted most information from other networks while DMN outputted most information to other networks; however, the above results were reversal by acupuncture. In addition, we found aDMN reside in between SMN and LFPN after acupuncture.The finding suggested that acupuncture probably integrated the effective connectivity internetwork by modulating multiple networks and transferring information between LFPN and SMN by DMN as the relay station.
本研究旨在通过针刺刺激探讨左侧偏瘫中风患者静息态网络(RSNs)的反应特征。本研究招募了19例左侧偏瘫中风患者和17名对照者。针刺前后的静息态功能磁共振成像数据通过磁共振扫描获取。采用独立成分分析(ICA)提取与运动、感觉、认知和执行相关的RSNs,包括感觉运动网络(SMN)、左右额顶叶网络(LFPN和RFPN)、前后默认模式网络(aDMN、pDMN)、视觉网络(VN)和突显网络(SN)。采用格兰杰因果关系方法探讨针刺刺激如何影响中风患者内在RSNs之间的因果关系。与健康受试者相比,中风患者呈现出更复杂的有效连接。针刺刺激前,LFPN从其他网络输入的信息最多,而DMN向其他网络输出的信息最多;然而,针刺后上述结果发生了逆转。此外,我们发现针刺后aDMN位于SMN和LFPN之间。该发现表明,针刺可能通过调节多个网络并以DMN作为中继站在LFPN和SMN之间传递信息来整合有效连接网络间的关系。
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