超高场强磁共振下DBS电极周围组织的病理改变课件

MIR-DBSInducedNermalImjuryomtheBrainMIR-DBSInducedNermal1Whythistopico1,MRcompatibilitywithDBSonanimals.o2,HarshrequirementsofclinicalMR-DBSWhythistopic2IndicationsofMR-DBsAccordingtoMRIguidelinesforDBS,whenMRcannotbesubstitutedbyotherexaminationslikeCtorultrasonic,thepatientwithDBScanundergoMR,IPGbeingturnedoffo11STMR.TRheadcoilo2headSAR(specificabsorptionrate)0.1W/KG⊙3dB/dt<20T/sIndicationsofMR-DBs3Contraindicationsonspecification1,otherartificialimplantso2,anesthetizedpatientso3,othersubstituteexaminationavailable4,bodycoil,headTcoilorheadRcoil⊙5,notl.5TContraindicationsonspecifica4MMedtronic'svouchNote:Therecommendationsprovidedarebasedonin-vitrotestingandshouldresultinasafeMrIexaminationofapatientwithanimplantedmedtronicActivasystemhoweverduetothemanvariablesthataffectsafety,Medtroniccannotabsolutelyensuresafetyorthattheneurostimulatorwillnotbedamaged.TheuserofthisintormationassumesfulLresponsibilityfortheconsequencesofconductinganMRIexaminationonapatientwithanimplantedActivaSysteM5IntroductionDBS:aleadingtoolforFunctionalNeurosurgery,appliedforessentialtremor(2019),PD(2019),dystonia(2019)(FDA)ooFuture:epilepsy,obsession,majordepressionandchronicpainIntroduction6IntroductionFrom2019,100,000patientsreceivedDBStreatmentglobally,morethan4000inChinamanyofwhichneedmrassistanceforguidenceoffurthertreatmentIntroduction7IntroductionoWhatwillhappenwhenpatientswithDBsundergoMRexamination?Introduction8eFirst,takealookatreportsonmedicaldevicesinducedthermalinjuryduringmrexaminationeFirst,takealookatreport9Caases口1991,GBasheinacaseoffull-thicknessskinburninjuryinthevicinityofoxymeteraftercervicalMrscanning.acaseofsuperficialthighskinburninjurybeneaththeoxymeterwireafterheadMrCa10超高场强磁共振下DBS电极周围组织的病理改变课件11超高场强磁共振下DBS电极周围组织的病理改变课件12超高场强磁共振下DBS电极周围组织的病理改变课件13超高场强磁共振下DBS电极周围组织的病理改变课件14超高场强磁共振下DBS电极周围组织的病理改变课件15超高场强磁共振下DBS电极周围组织的病理改变课件16超高场强磁共振下DBS电极周围组织的病理改变课件17超高场强磁共振下DBS电极周围组织的病理改变课件18超高场强磁共振下DBS电极周围组织的病理改变课件19超高场强磁共振下DBS电极周围组织的病理改变课件20超高场强磁共振下DBS电极周围组织的病理改变课件21超高场强磁共振下DBS电极周围组织的病理改变课件22超高场强磁共振下DBS电极周围组织的病理改变课件23超高场强磁共振下DBS电极周围组织的病理改变课件24超高场强磁共振下DBS电极周围组织的病理改变课件25超高场强磁共振下DBS电极周围组织的病理改变课件26超高场强磁共振下DBS电极周围组织的病理改变课件27超高场强磁共振下DBS电极周围组织的病理改变课件28超高场强磁共振下DBS电极周围组织的病理改变课件29超高场强磁共振下DBS电极周围组织的病理改变课件30超高场强磁共振下DBS电极周围组织的病理改变课件31超高场强磁共振下DBS电极周围组织的病理改变课件32超高场强磁共振下DBS电极周围组织的病理改变课件33超高场强磁共振下DBS电极周围组织的病理改变课件34超高场强磁共振下DBS电极周围组织的病理改变课件35超高场强磁共振下DBS电极周围组织的病理改变课件36超高场强磁共振下DBS电极周围组织的病理改变课件37超高场强磁共振下DBS电极周围组织的病理改变课件38超高场强磁共振下DBS电极周围组织的病理改变课件39超高场强磁共振下DBS电极周围组织的病理改变课件40超高场强磁共振下DBS电极周围组织的病理改变课件41超高场强磁共振下DBS电极周围组织的病理改变课件42超高场强磁共振下DBS电极周围组织的病理改变课件43超高场强磁共振下DBS电极周围组织的病理改变课件44超高场强磁共振下DBS电极周围组织的病理改变课件45超高场强磁共振下DBS电极周围组织的病理改变课件46超高场强磁共振下DBS电极周围组织的病理改变课件47超高场强磁共振下DBS电极周围组织的病理改变课件48超高场强磁共振下DBS电极周围组织的病理改变课件49超高场强磁共振下DBS电极周围组织的病理改变课件50超高场强磁共振下DBS电极周围组织的病理改变课件51超高场强磁共振下DBS电极周围组织的病理改变课件52超高场强磁共振下DBS电极周围组织的病理改变课件53超高场强磁共振下DBS电极周围组织的病理改变课件54MIR-DBSInducedNermalImjuryomtheBrainMIR-DBSInducedNermal55Whythistopico1,MRcompatibilitywithDBSonanimals.o2,HarshrequirementsofclinicalMR-DBSWhythistopic56IndicationsofMR-DBsAccordingtoMRIguidelinesforDBS,whenMRcannotbesubstitutedbyotherexaminationslikeCtorultrasonic,thepatientwithDBScanundergoMR,IPGbeingturnedoffo11STMR.TRheadcoilo2headSAR(specificabsorptionrate)0.1W/KG⊙3dB/dt<20T/sIndicationsofMR-DBs57Contraindicationsonspecification1,otherartificialimplantso2,anesthetizedpatientso3,othersubstituteexaminationavailable4,bodycoil,headTcoilorheadRcoil⊙5,notl.5TContraindicationsonspecifica58MMedtronic'svouchNote:Therecommendationsprovidedarebasedonin-vitrotestingandshouldresultinasafeMrIexaminationofapatientwithanimplantedmedtronicActivasystemhoweverduetothemanvariablesthataffectsafety,Medtroniccannotabsolutelyensuresafetyorthattheneurostimulatorwillnotbedamaged.TheuserofthisintormationassumesfulLresponsibilityfortheconsequencesofconductinganMRIexaminationonapatientwithanimplantedActivaSysteM59IntroductionDBS:aleadingtoolforFunctionalNeurosurgery,appliedforessentialtremor(2019),PD(2019),dystonia(2019)(FDA)ooFuture:epilepsy,obsession,majordepressionandchronicpainIntroduction60IntroductionFrom2019,100,000patientsreceivedDBStreatmentglobally,morethan4000inChinamanyofwhichneedmrassistanceforguidenceoffurthertreatmentIntroduction61IntroductionoWhatwillhappenwhenpatientswithDBsundergoMRexamination?Introduction62eFirst,takealookatreportsonmedicaldevicesinducedthermalinjuryduringmrexaminationeFirst,takealookatreport63Caases口1991,GBasheinacaseoffull-thicknessskinburninjuryinthevicinityofoxymeteraftercervicalMrscanning.acaseofsuperficialthighskinburninjurybeneaththeoxymeterwireafterheadMrCa64超高场强磁共振下DBS电极周围组织的病理改变课件65超高场强磁共振下DBS电极周围组织的病理改变课件66超高场强磁共振下DBS电极周围组织的病理改变课件67超高场强磁共振下DBS电极周围组织的病理改变课件68超高场强磁共振下DBS电极周围组织的病理改变课件69超高场强磁共振下DBS电极周围组织的病理改变课件70超高场强磁共振下DBS电极周围组织的病理改变课件71超高场强磁共振下DBS电极周围组织的病理改变课件72超高场强磁共振下DBS电极周围组织的病理改变课件73超高场强磁共振下DBS电极周围组织的病理改变课件74超高场强磁共振下DBS电极周围组织的病理改变课件75超高场强磁共振下DBS电极周围组织的病理改变课件76超高场强磁共振下DBS电极周围组织的病理改变课件77超高场强磁共振下DBS电极周围组织的病理改变课件78超高场强磁共振下DBS电极周围组织的病理改变课件79超高场强磁共振下DBS电极周围组织的病理改变课件80超高场强磁共振下DBS电极周围组织的病理改变课件81超高场强磁共振下DBS电极周围组织的病理改变课件82超高场强磁共振下DBS电极周围组织的病理改变课件83超高场强磁共振下DBS电极周围组织的病理改变课件84超高场强磁共振下DBS电极周围组织的病理改变课件85超高