AIM:To explore the brain mechanism of acupuncture for children with anisometropic amblyopia using the voxelmirror homotopic connectivity(VMHC)analysis method of resting functional magnetic resonance imaging(rs-fMRI)te...AIM:To explore the brain mechanism of acupuncture for children with anisometropic amblyopia using the voxelmirror homotopic connectivity(VMHC)analysis method of resting functional magnetic resonance imaging(rs-fMRI)technology based on clinical effectiveness.METHODS:Eighty children with anisometropic monocular amblyopia were randomly divided into two groups:control(40 cases,1 case of shedding)and acupuncture(40 cases,1 case of shedding)groups.The control group was treated with glasses,red flash,grating,and visual stimulations,with each procedure conducted for 5min per time.Based on routine treatment,the acupuncture group underwent acupuncture of“regulating qi and unblocking meridians to bright eyes”,Jingming(BL1),Cuanzhu(BL2),Guangming(GB37),Fengchi(GB20)acupoints were taken on both sides,with the needle kept for 30min each time.Both groups were treated once every other day,three times per week,for a total of 4wk.After the treatment,the overall curative effect of the two groups and the latency and amplitude changes of P100 wave of pattern visual-evoked potential were counted.At the same time,nine children with left eye amblyopia were randomly selected from the two groups and were scanned with rsfMRI before and after treatment.The differences in the brain regions between the two groups were compared and analyzed with VMHC.RESULTS:Chi-square test showed a notable difference in the total efficiency rate between the acupuncture(94.87%)and control groups(79.49%).Regarding the P100 wave latency and amplitude,the acupuncture group had significantly shorter latency and higher amplitude of P100 wave than the control group.Moreover,the VMHC values of the bilateral temporal lobe,superior temporal gyrus,and middle temporal gyrus were notably increased in the acupuncture group after treatment.CONCLUSION:Acupuncture combined with conventional treatment can significantly improve the corrected visual acuity and optic nerve conduction in children with anisometropic amblyopia.Compared with the conventional treatment,the regulation of acupuncture on the functional activities of the relevant brain areas in the anterior cerebellum may be an effective acupuncture mechanism for anisometropic amblyopia.展开更多
目的探讨体素镜像同伦连接(voxel-mirrored homotopic connectivity,VMHC)与局部一致性(regional homogeneity,ReHo)在评价经颅直流电刺激(transcranial direct current stimulation,tDCS)改善脑卒中后认知障碍中的应用价值。材料与方...目的探讨体素镜像同伦连接(voxel-mirrored homotopic connectivity,VMHC)与局部一致性(regional homogeneity,ReHo)在评价经颅直流电刺激(transcranial direct current stimulation,tDCS)改善脑卒中后认知障碍中的应用价值。材料与方法前瞻性纳入47名脑卒中后认知障碍(post-stroke cognitive impairment,PSCI)患者,随机分配到tDCS组与假刺激组,其中tDCS组23人,假刺激组24人,应用Mann-Whitney U检验比较两组患者在基线期与15天tDCS或假刺激治疗后认知量表评分变化值的差异,应用配对t检验比较两组患者在基线期与15天tDCS或假刺激治疗后VMHC与ReHo指标的差异,并提取差异脑区的VMHC与ReHo值与治疗前后认知量表评分的变化值进行相关性分析。结果tDCS组与假刺激组在治疗后的简易智能精神状态量表(Mini-Mental State Examination,MMSE)与蒙特利尔认知评估量表(Montreal Cognitive Assessment,MoCA)评分均优于治疗前,但tDCS组具有更好的治疗效果,治疗后相较于治疗前MMSE与MoCA量表评分改善值更大,差异具有统计学意义(P<0.05);VMHC指标结果:tDCS组患者在治疗后,双侧岛叶、楔前叶的VMHC值升高(P<0.05,FDR校正),假刺激组患者在治疗后,在双侧枕上回的VMHC值升高(P<0.05,FDR校正);ReHo指标结果:tDCS组患者在治疗后,前扣带回和顶下缘角回的ReHo值升高(P<0.05,FDR校正),假刺激组患者在治疗后相较于治疗前,未见明显差异脑区;相关性分析:tDCS组患者在治疗后,双侧楔前叶VMHC增加的值与MMSE、MoCA量表评分的变化值呈现正相关,MMSE(r=0.47,P=0.02);MoCA(r=0.43,P=0.04);其他差异脑区与MMSE与MoCA量表评分变化值无明显相关性。结论tDCS联合常规康复治疗对PSCI患者的认知康复效果优于仅进行常规康复治疗手段,应用VMHC与ReHo发现tDCS的治疗机制可能与改善默认模式网络(default mode network,DMN)与突显网络(salience network,SN)中部分脑区在双侧大脑半球之间的功能连接与自发活动有关。展开更多
目的探讨无先兆偏头痛(migraine without aura,MwoA)患者发作间期体素-镜像同伦功能连接(voxel-mirrored homotopic connectivity,VMHC)是否受损,以及针刺治疗后VMHC的变化情况。材料和方法54名MwoA患者和44名匹配的健康对照者被纳入研...目的探讨无先兆偏头痛(migraine without aura,MwoA)患者发作间期体素-镜像同伦功能连接(voxel-mirrored homotopic connectivity,VMHC)是否受损,以及针刺治疗后VMHC的变化情况。材料和方法54名MwoA患者和44名匹配的健康对照者被纳入研究。MwoA患者接受了为期4周的针刺治疗,而健康对照组没有任何治疗。收集所有受试者的功能磁共振成像数据和临床资料,比较患者与健康对照组基线、患者针刺治疗前后VMHC的差异。最后探讨针刺调节的脑区VMHC变化与临床评分改善的相关性。结果与对照组相比,MwoA患者双侧小脑Ⅷ区、楔叶和中央后回的VMHC明显降低(体素水平P<0.001,组水平P<0.05)。针刺后,MwoA患者的临床指标明显改善,静息态功能磁共振成像显示双侧楔叶减低的VMHC明显增强(体素水平P<0.001,组水平P<0.05)。双侧楔叶VMHC的增强与焦虑自评量表评分改变呈正相关(r=0.291,P<0.05)。结论双侧小脑、视觉皮层和初级躯体感觉皮层的VMHC受损可能参与了偏头痛发作间期的中枢机制。针刺治疗偏头痛具有显著的临床疗效,并可增强双侧楔叶减弱的VMHC。展开更多
基金Supported by National Natural Science Foundation of China(No.82160935,No.82260965)Traditional Chinese Medicine Discipline“Qi Huang Ying Cai”Tutor Special Fund Doctoral Program(No.ZYXKBD-202208)+4 种基金Higher Education Innovation Fund Project of Gansu Province(No.2021A-087)Natural Science Foundation of Gansu Province(No.22JR5RA583)Traditional Chinese Medicine Discipline“Qi Huang Ying Cai”Tutor Special Fund Master’s Supervisor Program(No.ZYXKSD-202220)Youth Research Fund Project of Gansu University of Chinese Medicine(No.ZQ2017-9)Gansu Province 2023 Provincial Key Talent Project(No.2).
文摘AIM:To explore the brain mechanism of acupuncture for children with anisometropic amblyopia using the voxelmirror homotopic connectivity(VMHC)analysis method of resting functional magnetic resonance imaging(rs-fMRI)technology based on clinical effectiveness.METHODS:Eighty children with anisometropic monocular amblyopia were randomly divided into two groups:control(40 cases,1 case of shedding)and acupuncture(40 cases,1 case of shedding)groups.The control group was treated with glasses,red flash,grating,and visual stimulations,with each procedure conducted for 5min per time.Based on routine treatment,the acupuncture group underwent acupuncture of“regulating qi and unblocking meridians to bright eyes”,Jingming(BL1),Cuanzhu(BL2),Guangming(GB37),Fengchi(GB20)acupoints were taken on both sides,with the needle kept for 30min each time.Both groups were treated once every other day,three times per week,for a total of 4wk.After the treatment,the overall curative effect of the two groups and the latency and amplitude changes of P100 wave of pattern visual-evoked potential were counted.At the same time,nine children with left eye amblyopia were randomly selected from the two groups and were scanned with rsfMRI before and after treatment.The differences in the brain regions between the two groups were compared and analyzed with VMHC.RESULTS:Chi-square test showed a notable difference in the total efficiency rate between the acupuncture(94.87%)and control groups(79.49%).Regarding the P100 wave latency and amplitude,the acupuncture group had significantly shorter latency and higher amplitude of P100 wave than the control group.Moreover,the VMHC values of the bilateral temporal lobe,superior temporal gyrus,and middle temporal gyrus were notably increased in the acupuncture group after treatment.CONCLUSION:Acupuncture combined with conventional treatment can significantly improve the corrected visual acuity and optic nerve conduction in children with anisometropic amblyopia.Compared with the conventional treatment,the regulation of acupuncture on the functional activities of the relevant brain areas in the anterior cerebellum may be an effective acupuncture mechanism for anisometropic amblyopia.
文摘目的探讨无先兆偏头痛(migraine without aura,MwoA)患者发作间期体素-镜像同伦功能连接(voxel-mirrored homotopic connectivity,VMHC)是否受损,以及针刺治疗后VMHC的变化情况。材料和方法54名MwoA患者和44名匹配的健康对照者被纳入研究。MwoA患者接受了为期4周的针刺治疗,而健康对照组没有任何治疗。收集所有受试者的功能磁共振成像数据和临床资料,比较患者与健康对照组基线、患者针刺治疗前后VMHC的差异。最后探讨针刺调节的脑区VMHC变化与临床评分改善的相关性。结果与对照组相比,MwoA患者双侧小脑Ⅷ区、楔叶和中央后回的VMHC明显降低(体素水平P<0.001,组水平P<0.05)。针刺后,MwoA患者的临床指标明显改善,静息态功能磁共振成像显示双侧楔叶减低的VMHC明显增强(体素水平P<0.001,组水平P<0.05)。双侧楔叶VMHC的增强与焦虑自评量表评分改变呈正相关(r=0.291,P<0.05)。结论双侧小脑、视觉皮层和初级躯体感觉皮层的VMHC受损可能参与了偏头痛发作间期的中枢机制。针刺治疗偏头痛具有显著的临床疗效,并可增强双侧楔叶减弱的VMHC。
