ChinaFebruary13,2007:DBSWilliamJ.Marks,Jr.,MDUniversityofCaliforniaSanFranciscoSanFrancisco,CAActivaTherapy/DeepBrainStimulationSoletraisapprovedfor:–EssentialTremor(1997*)–Parkinson’sdisease(2002*)–Dystonia(2003*)Kinetraisapprovedfor:–Parkinson’sdisease(2004*)*USAapprovalSoletra®Kinetra®30,000IntroductionsNameRole(neurologist,neurosurgeon,nurse,etc.)LocationNumberofActivapatientsinpracticeCurrentlevelofinvolvementwithActivaTherapyChallenges&issueswithActivaTherapyActiva®DBSDBSDBSDBSPD1.2.3.4.5.Activa:DBS0123DBS™*ThenegativeelectrodeexertsthetherapeuticeffectLeadElectrodes01230123offoff(-)off(+)positiveoffoff(+)(-)offRate(Hertz)numberofpulsespersecondPulseWidth(sec)durationofeachstimulusAmplitude(Volts)intensityofstimulation**TheseparametersgenerallyprovidetherapeuticbenefitwithtwoappropriatelyplacedDBS™leadsfollowingaseriesofprogrammingsessions.::::135-185Hz135-185HzRate90-120sec60-90secPulseWidth2.5-3.6V2.0-3.6VAmplitudeGPiSTNParameterDeepBrainStimulation:ManagingParkinson’sDiseasePatientswithActiva®TherapyDeepBrainStimulationDBS:––––(e.g.,)–––ImportanceofLeadLocationProperlyselectedelectrodeonaproperlylocatedDBS™leadprovidesoptimaltherapeuticbenefitwithminimalstimulation-inducedadverseeffects.((((((STNSensoryPathwaysMotorPathwaysThenegativeelectrodeexertsthetherapeuticeffect.ImportanceofLeadLocationImproperlyselectedelectrodeonaproperlylocatedDBS™leadfailstoprovideadequatestimulationtotheintendedtargetanddeliversstimulationtosensoryandmotorpathways,resultinginstimulation-inducedadverseeffectsandlessthanoptimalbeneficialeffects.STNSensoryPathwaysMotorPathwaysThenegativeelectrodeexertsthetherapeuticeffect.((((((ImportanceofLeadLocationAsub-optimallylocatedDBS™leaddoesnotallowstimulationoftheintendedtargetwithoutstimulatingadjacentstructures;stimulation-inducedadverseeffects,butnottherapeuticeffects,thuspredominate.((((((STNSensoryPathwaysMotorPathwaysThenegativeelectrodeexertsthetherapeuticeffect.STNThalamusSubstantiaNigradorsallateralmedialventral&/STNGPi:GPiSTN––()–GPi–––––(e.g.,)….–STNManagingParkinson’sDiseasePatientswithActiva®TherapyDBS™LeadDetails–•(spanning10.5mm,Model3387)•(spanning7.5mm,Model3389)–––DBS–MRI*orCT*PleaserefertolastslideforMRIinformationMRI*:STN*PleaserefertolastslideforMRIinformationMRI*:STN*PleaserefertolastslideforMRIinformation––(e.g.,UPDRS*,,);*UPDRS–UnifiedParkinson’sDiseaseRatingScaleManagingParkinson’sDiseasePatientswithActiva®Therapy2-4()–Soletra–:impedance600-1300;currentdrain12-30A–:impedance2000;currentdrain12A–:impedance250;currentdrain500A:–(135-185Hz)–(60sforSTN,90sforGPi),“”–––(e.g.,/UPDRS-III)(135-185Hz)(60sforSTN,90sforGPi):0-,1off,2off,3off,case+0V0.1-0.2V30)0V(1,2,and3)STNGPi:RigidityTremor()Bradykinesia3.6V(Soletra)IPG():–case(IPG)“off”–*ItrelIIisnotapprovedforParkinson’sControlTherapy/IPGIPG:–()–(STN)–(–:––––MRI()–/––)STNPatientsGPiPatients()STN40-50%––––––ManagingParkinson’sDiseasePatientswithActiva®Therapy–––––1.2.3.1.–––VimDBS:Effect&Location:–:–:–:–Vo=ventraloral(pallidalrelay);Vim=ventralintermediate(cerebellarrelay);Vc=ventralcaudal(principlesomatosensorynucleus);IC=internalcapsuleSTNDBS:Effect&Location:–:–:–():–:–IC=internalcapsule;STN=subthalamicnucleus;RN=rednucleus;ML=mediallemniscusGPiDBS:Effect&Location:–:–:–;0:–GP=globuspallidus;IC=internalcapsule;OT=optictract*PleaserefertolastslideforMRIinformation–––––––DBS–––––––––––––DBS––––––2.MRI*––––STN:2.5Vor–GPi:3.6Vor*PleaserefertolastslideforMRIinformation3./IPGIPGCommentsIPG(EOL)x-rayIPG100%IPGIPGIPGTreatmentDiagnosisProblemActiva®PD:–––––DBSPD–STN:––––––()ET:DBSPD:––:/–:/Dystonia:PDSTNStimulation––)–STN(ZI)–•STN••STNGPiStimulation–PD–––PD–UPDRSIII–Timedtests–1.2.3.Activa®PD––DBS–––ActivaPD1.PD•731311••“”“”“”,•2002“”200mg•200411“”2005“”50mgBid•200611“”40%“”60%“”•••••DBS1.PDShandongQiluHospDr.Liu,Yiming73yearsoldmale.Durationofsymptoms:13yearsBriefdescriptionofhistory:1.Startedwithrighthandrestingtremor(1993).Thetremorincreasedafterhisrectocancersurgery1995.Hewason“Artane”intheearlystage.Hebeganwith“Sinemet”in1999andgoodresponsetoSinemetfor3years.Hehadmotorfluctuationin2002andadded“Amantadine”.Healsoexperienced“wearingoff”“dystonia”since2004,thenheaddeddopamineagonistandthesymptomswerewellcontrolledtillNov.2006.2.SinceNov.2006,hehadseveremotorfluctuationanddyskinesia.Sometimesallthemedicationdidnotworkforhismotorproblemthewholeday.Wealsofindhehasmildcognitiveproblemrecently.3.HehasafamilyhistoyofPD.4.Latestmedication:Levodopais1000-1200mg/day,Trastal150mg/day,amantadine300mg/day).Issues/questions:ThepatienthasfamilyhistoryofPDandhadrectocancerhistory,IfDBSshouldbeperformedinthispatient?2.PDBeijingTiantanHospMale(WangJF)52yearsold,DurationofPDsymptoms:10yearsBriefdescriptionofhistory:1.Startedwithleftupperlimbrigidityandbradykinesia,thendevelopedwithhandsrestingandposturaltremor.2.Eyesclosedfrequentlyandaggravatedwithnervous.3.Beforeoper