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1、微電極針道制圖在丘腦底核電刺激治療帕金森病手術(shù)中的應用作者:王學廉,高國棟,賀世明,李維新,王舉磊,管定國,陳玲【關(guān)鍵詞】微電極ApplicationofmicroelectrodemappinginsurgeryofdeepbrainstimulationofsubthalamicnucleusinamelioratingthesymptomsofParkinsonsdisease【Abstract】AIM:Toimprovetheprecisionoftargetinginsurgeryofthedeepbrai
2、nstimulationofsubthalamicnucleustoamelioratethesymptomsofParkinsonsdiseasebyrecordingneurophysiologicalcharacteristicsofencounteredcellsalongmicroelectrodetrajectoriesandmappingmotorandnonmotorterritoryofSTNusingmicroelectroderecordingtechniques.METHODS:FromNov
3、ember1999toApril2017,30patientswithParkinsonsdiseaseunderwentthesurgeryofdeepbrainstimulationand45electrodeswereimplantedintotheSTN.IndirectedspiralCTscan12/12imagingbasedanatomictargetingwasused.Microelectroderecordingmappingtechniqueswereemployedandthecellula
4、ractivitywasanalyzedforvariousneurophysiologcalparameters,includingfiringpatterns,firingrate,interspikeintervals,backgroundnoise,evokedpotentialandreactionstomicrostimulation.ImagingsofCT/MRIpreoperativeandSchaltenbrandandWahrenatlaswereoverlapped,soastoidentif
5、ythemotorandnonmotorterritoryofSTNandlineouttheboundarywithadjacentnucleus.Thus,thefunctionaltargetingofSTNandtheoptimalplaceofelectrodeimplantwerepreciselylocated.RESULTS:Onehundredandthirtyonemicroelectroderecordingtrajectoriesandmappingswereaccomplished.Thea
6、veragemicroelectroderecordingtimeforeachtrajectorywas20min,withameanof291trajectories/electrode.RecordingsfromtheSTNexhibitedanincreaseinthebackgroundactivityandanirregularfiringpattern,withameanrateofHz.Themeancelldensitywascells/mm,withanaveragelengthfromuppe
7、rboundertolower12/12bounderofmm.ThemovementrelatedcellswerelocatedprimarilyinthedorsolateralsectoroftheSTN,withthelegarealocatedmedialalongthemediolateralaxisandcentrallyalongtheanteroposterioraxis,comparedwiththearmarea.Tremorsynchronizedcellscanalsoberecorded
8、andidentified.Thetargetchangeratewas89%.CONCLUSION:ApplicationofmicroelectroderecordingmappingtechniquescanpreciselylocatethemotorandnonmotorterritoryofSTNandlineoutthebound