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BrainactivityalterationsofParkinson’sdiseasepatientswithfreezingofgaitunderrestingGstatefunctionalMRI / 实用放射学杂志
Journal of Practical Radiology ; (12): 693-698, 2019.
Article in Chinese | WPRIM | ID: wpr-752418
ABSTRACT
Objective ToinvestigatethepatternsofbrainactivityabnormalitiesinpatientswithParkinson’sdisease(PD)with freezingofgait(FOG),andtoexploretheneuropathologicalmechanismofFOG.Methods Resting-statefunctionalMRI(rs-fMRI) scanswereobtainedfrom31PDpatientsand16healthycontrols(HCs).Accordingtothefreezingofgaitquestionnaire(FOG-Q),31 PDpatientsweredividedinto15PDFOG(+)and16PDFOG(-).ANCOVAandPost-Hocttestwereperformedtoassessinter groupdifferenceofbrainactivityabnormalitybasedonregionalhomogeneity.Results ComparedtoHCs,PDFOG(+)showeddecreased ReHointheleftinferiortemporalgyrus,rightlingual,bilateralfusiform,rightoccipitalgyrus,rightcalcarine,andrightcerebellum, whileincreasedReHointherightmiddlefrontalgyrus,rightsuperiorfrontalgyrus,rightprecentralgyrus,andrightsupplementary motorarea(SMA).ComparedtoPDFOG(-),PDFOG(+)exhibitedincreasedReHointherightprecentralgyrus,rightmiddle frontalgyrus,rightinferiorfrontalgyrus,andrightSMA,whiledecreasedReHoinleftfusiform.Conclusion Thisstudysuggests thatFOGinPDisassociatedwithabnormalitiesincerebellum,frontallobeandvisualnetwork,whichishelpfultounderstandthe neuralmechanismsunderlyingFOGinPD.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Radiology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Radiology Year: 2019 Type: Article