How To Develop a Deep Venous Prac3ce in the Outpaent...
Transcript of How To Develop a Deep Venous Prac3ce in the Outpaent...
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HowToDevelopaDeepVenousPrac3ceintheOutpa3entLab
PollyKokinos,MD,RPVISouthBayVascularCenterandVeinIns3tute
SanJose,CaliforniaApril1,2017
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OutlineofTalk:
Whatistheproblemtotreat?Howbigistheproblem?Wheredoyoufindthesepa3ents?Howdoyougaintheexper3setodothese?Futuredirec3ons
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AcuteDVTChronicOcclusion/Post-thrombo3cSyndromeNon-thrombo3ciliacveinocclusion(NIVL)
DeepVenousProblems
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WhichShouldyoutrytoTreat?
Targetforsten3ng
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May-ThurnerSyndrome
MayandThurnerdescribedthisin1957inabout30%ofcadaverstheyexamined.Compressionof>50%isalsoseeninabout30%ofallabdominalCTscansdoneforunrelatedreasons;>80%inabout20%ThisisaPERMISSIVElesionthatcausesclinicalsymptomsinthePERFECTSTORM!
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May-Thurner’sSyndrome
• Stage1:asymptoma3c• Stage2:developmentof“spurs”insidevein• ?Symptoma3casunilaterallegswelling,heaviness,aching,hyperpigmenta3on,non-healingofulcers?
• Stage3:developmentofileofemoralDVT• KimD,OrronDE,PorterDH.Venographicanatomy,techniqueandinterpreta3on.In:KimD,OrronDE(eds.)PeripheralVascularImagingand
Interven3on.StLouis(Missouri);Mosby-YearBook;1992,pp269–349.
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May-ThurnerSyndrome
• Thrombo3cComplica3ons
• IleofemoralDVTsarebelievedtobesignificantlyunderdiagnosed
• Iliacveincompressionisfelttoberesponsiblefor50-60%ofthesetypesofDVT(seenin30%ofnormalpeople)
• 80%oftheseileofemoralDVTsareonthelekside!
• >50%ofthesepa3entswilldeveloppost-thrombo3csyndrome—legulcers,persistentswelling,hyperpigmenta3onifnottreatedacutely(WITHIN14DAYS)
• Non-thrombo3ccomplica3ons• Heaviness• Aching• Swelling• Non-healingvenousulcera3ons• Hyperpigmenta3onandexzematousskinchanges
Thesearethesamesymptomscausedbysuperficialvenousreflux
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Whatisthefrequencyofiliacveinobstruc3oninpa3entswithahealed(C5)oranac3ve(C6)venousulcer?
! Of78pa3entswithC5orC6ulcers,reviewedwithCTandMR– 37%hadavenousstenosis>50%– 23%hadavenousstenosis>80%
» Associatedwithfemales,historyofDVT,deepvenousreflux» Interes3ngly,nolimb>80%venousstenosisfoundtohavesuperficialvenousreflux.
MarstonW,FishD,etal.Incidenceofandriskfactorsforiliocavalvenousobstruc:oninpa:entswithac:veorhealedvenouslegulcersJVascSurg2011:1303-1308
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HowtoBeginFindingthesePa3ents:SCREENyoursuperficialvenousrefluxpa3ents-IVUSposi3veobstruc3velesionsoftheiliacveinarepresentinabout90%ofallpa3entsCEAP4-6Educateyourreferringphysicians—par3cularlyOB/GYNs,Hematology/Oncology,Orthopedic/BackSurgeonsPageonyourwebsiteBrochuresinyourofficeWorkwithawoundcarecenterDVTscreening
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ReimbursementintheOPL
AcuteDVT---can’tdripTPAovernight---inadequatereimbursementcurrentlyforthemechanicalthrombectomydevicesattheircurrentpricepointNOTAGOODCASEFOROPL2017!!
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ReimbursementintheOPLExcellentreimbursementforiliacveinsten3ng/angioplastyOnlygetreimbursedforangioplastyifdoneBEFOREthesten3ng,notjustforpost-dilata3onIVUSgetsreimbursedasofJanuary2016byMedicareandmostcommercialplans(Aetnaisdifficult)-willalwayslookat2veinsegmentssobillbothNIVLcasecanbedoneinsame3meorquickerthanendovenousabla3onwithlesspa3entdiscomfort
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ChronicOcclusionsTechnicallycanbequitechallengingand3meconsumingWHEREISTHATWIRE??????However,notreally“dangerous”asyouareworkingintheretroperitoneuminalowpressuresystemPa3entsVERYgratefulifsuccessful!MUSTuseveryaggressiveintra/post-opera3vean3coagula3on
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• Chooseaccesspoint—popliteal,midFV,GSV,CFV,IJ
• Helpstohavepre-opera3vemappingwithCTvenogram
• Usetriaxialsystem–Guidecatheter,hydrophiliccatheter,.035Glidewire(CookmakesTriforce)
• Persistence
CrossingChronicOcclusions
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Clinicalneedforinterven3onalprocedures
• Localizedvenousobstruc3onisamajorcauseofsymptoms1,2
– Greaterthan90%ofpost-thrombo3cCVIcaseshaveobstruc3on3
– Collateralflowonlypar3allypreventssymptomsassociatedwithvenousdisease
• Sten3ngis“methodofchoice”forchronicvenousobstruc3on2,4
1. NeglenP,ThrasherTL,RajuS.Venousouslowobstruc3on:anunderes3matedcontributortochronicvenousdiseaseJVascSurg2003;38:879-85.2.Neglen,P.ChronicVenousObstruc3on:Diagnos3cConsidera3onsandTherapeu3cRoleofPercutaneousIliacSten3ng.Vascular.2007;15(5):273-280.3.Raju,S.Venoussten3nginCVD-TipsandTricks,VEITH2008.4.Gillespie.D.StentplacementakerDVTthrombolysisormechanicalthrombectomy.EndovascularToday,July2009.l
For-int
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NIVL
• Spansalldemographics• Straighsorwardprocedure<1hour• IVUSisMANDATORYandCRITICALforop3maltreatment:ItisstandardofCare
• ThereisNOFDAapprovedVenousstentcurrently
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DiagnosisofNon-thrombo3ciliacveincompression
• AbdominalCT-goodformeasuringveinsizebutunabletosee
intraluminalissues• CTvenogram-3mingofcontrastbolusesdifficult• Venography-byreportsmissesatleast50%oflesionsevenwith
mul3planarviews• IVUS-felttobemostreliablemethodinassessingiliacvenous
systemforclot,compression,scarring/webbing
• TransabdominalUltrasound!
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TransabdominalVascularUltrasound
• Challenges:Hydra3onstatusofpa3ent• AbdominalGas• AbdominalGirth• Narrowpelvis• Ostomy• Lackofdefinedcriteria• Inabilitytoseeallourpartofiliacsystemin
25%ofpa3ents• EXTREMELYTECHNOLOGISTDEPENDENT!
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TransabdominalVascularUltrasound
• Benefits:Non-invasive• Inexpensive• Nocontrastorradia3on• No3mingissues• Caneasilyrepeattofollowtreatmentordo
surveillance• Doesnotrequireanyauthoriza3onformost
insuranceplan• Allowsfunc3onalaswellasvisualassessmentof
iliacveinsystem
OğuzkurtL,OzkanU,TercanF,etal.Ultrasonographicdiagnosisofiliacveincompression(May-Thurner)syndrome.DiagnIntervRadiol2007;13:152-5
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Limita3onsofVenography
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ClinicalValue:Diagnos3cInforma3onImagescourtesyofVolcanoCorpora3on
21
601-0101.31/001
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OPLProcedure• 1.MicropunctureintoipsilateralGSVorproximalFV/CFV
• 2.Changeto9or10FrSheath• 3.Venogramthroughsheath• 4.IVUSmeasurements• 5.Wallstent/PTA• 6.Finalvenogram
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.
55yomans/plekGSVabla3on6yearsagowithworseningleklegswelling,hyperpigmenta3on,
andachingoverthelastyear.
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Pa3entJA:
41yoICUnurseatStanfordwithsevereswellingandachingbytheendofhershikUSG:Lekleg:NoGSVrefluxbut“slowflowinCFV”andlekCFVrefluxIliacVeinUSG:NarrowingoflekproximalCIVto0.5cm
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JAUSGpre-sten3ng
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CompressedvsNormalLCIV:ComparisonofIVUSandVenogram
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Sten3ngandPTA:
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JAUSGimagespoststent
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FinalIVUS
Pa3enthadseverebackpainfor72hoursbutthendescribed“drama3c”decreaseintheheavinessandachingandcannowworkherwholeshik
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• 136Symptoma3cpa3entsunderwentiliacveinultrasoundscanningbetweenMarch2015andAugust2016.
Ofthese:• 24pa3entshadnon-diagnos3cscansbecauseof
limitedvisibility• 26pa3entswerefelttohave“normal”iliacvein
systems• 74werefoundtohaveevidenceofiliacvein
compressionbecauseofmeasurementsof<0.8cmdiameterorsignificantdifferenceincomparingthelekandtherightside
• 11werefoundtohaveaniliacvein“abnormality”• 1pa3entwasfoundtohaveavenousaneurysm
SBVCResults
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SBVCResults
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• 75pa3entsweretakentoangiosuiteforIVUSevalua3on
• 67pa3entshad>50%areareduc3onbyIVUS• 67pa3entshadplacementofWallstent(s)intheiliacveinand/orangioplastyofpreviouslyplacedstents
• 1pa3enthadavenousaneurysmthatwasnottreated(butwasseenpre-op)
• 1pa3enthadalek-sidedIVC• 6pa3entshad<50%areareduc3onbyIVUSandnormalvenograms
SBVCResults
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Results
Allpa3entsfollowedat2weeks,3months,6months,annuallyThreeacuteocclusionsofstentsinchronicallyoccludedveins(onebymalignantsarcoma)Allotherstentspatentat3-24monthsReliefofswelling:60-70%Ulcerhealing:about60%Reliefofheaviness/aching:70-80%
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Technical3psforVenoussten3ng
• UseIVUStoiden3fyproximalanddistallandingzones.• •Ensuregoodinflowfrombelowandouslowfrom• abovetopreventstentthrombosis.• •Appropriatestentsizingwith2-to4-mmoversizingto
• preventrecoil.• •Postdeploymentdilata3onwithappropriatelysized• high-pressureballoonsandextendedinfla3on3meto• minimizerecoil.
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TechnicalTipsforVenousSten3ng• •Ifmul3plestentsarerequired,placewith3to5mmofoverlap,andasame-sizedstentshouldbeusedtoprovidesmoothtransi3onpoints.
• •Performacomple3onIVUStoiden3fyanyresidualdefects.
• Useproperintra-andpost-opera3vean3coagula3on/an3plateletbasedonunderlyingproblem
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Summary
DeepvenousdiseaseisquiteunderdiagnosedbothNIVLandChronicvenousocclusionsSignificantsymptoma3creliefcanbeobtainedinpa3entswhohave“nootherop3ons”berecannalizing/sten3ngtheiriliacveinsProcedureisexcellentfortheOPLasitislowrisk,highlysuccessful,andhashighpa3entsa3sfac3on
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Summary• Developingadeepvenousprac3cerequiresconsideringthisastheunderlyingcauseofsymptomsinpa3entswithsignsofchronicvenousinsufficiency,non-healingwounds,historyofacute/chronicDVT,andunilaterallegswelling
• No“right”accesspoint,pre-opera3veassessment,stent,etc---thereismuchtolearnintermsofthetechnique,peri/post-procedurean3coagula3on
• IVUSisnowthegoldstandardforevalua3ngandtrea3ngthis
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NothinginvenousdiseaseisAbsolute.OnlyVodkais.CourtesyofDr.PeterNeglen
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ASANTE SANA
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ChronicVenousOcclusionAn3coagula3on
• Postopcare• Therapeu3cLMWHimmediately.• Two-hoursbedrestfollowedbymobiliza3on.• Con3nueinflatablecompressionbootsandthighcompressionstockingsun3lcompletelymobile.
• Long-termcare• "Whenmobilizedsupplywith20-30mmHgBKcompressionstockings.• "DUSatdischargeor24hourstoconfirmpatencyofstents.• "ContinueLMWHfor2-3weeksbeforestartroutinetransitiontowarfarin.• "Oralanticoagulationfor≥6months.
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JHprocedure81yowith3yearhistoryofulceratlekankle.Sentbywoundcarecenteraker4monthsoftreatment,butwereunabletogetwoundhealed.Pa3enthadLekGSVveinstripping5yearsprior.Indailycompressivewraps.
LekCFVpunctureunderIVseda3on,IVUScatheterplaced,Wallstentdeployed.Recovery30minutesthenhome.