胸背动脉皮瓣(TDAP).ppt
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胸背动脉皮瓣(TDAP).ppt
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ThoracodorsalArteryPerforatatorFlapDepartmentofBurnandPlasticSurgery,AffiliatedHospitalofZunyiMedicalCollegeContentHistoryandDevelopmentDefinitionandFeaturesAnatomyClinicalapplicationMeritsShortcomingsHistory1989Koshimaperforatorflap1995AngrigianiTrunkPerforatorFlap(Firstreport).NamedlatissimusdorsiflapwithoutmuscleKim,Koshimacalleditthinninglatissimusdorsiflap2003Heitmannthoracodorsalarteryperforatatorflap(TDAP).FirstlynamedDefinitionThroughthelatissimusdorsithoracodorsalarteryperforator,onlycontainingskinandfasciasuperficialisaxialpatternskinflap.FeaturesCuttingflapindeepfascia;Reservelatissimusdorsi,nodamagenervithoracodorsalis;Directsutureofthedonorsitewithin7-10cm.AppliedanatomyTherewere3to6perforatorsoffthedistalmainthoracodorsaland/oritslateralbranchwhichconstitutethevascularsupplyofthethoracodorsalarteryperforatorflap.Thefirstperforatorwaslocatedapproximately68cmbelowtheposterioraxillaryfold.Subsequentperforators,uptoatotalofthree,arisedat1.54cmintervalsinferiorlyoffthelateralbranch.Eachperforatordisplayeda35cmobliquecoursethroughthemuscletosupplytheoverlyingskin.Eachperforatingarterywas0.30.6mmindiameterandaccompaniedbytwovenaecomitans.Fig.1A,Angiogramoftheintegumentofthechestandupperbackfromahumancadaverleadoxideandgelatininjectionspecimen.Theblacklineindicatesanoutlineofthelatissimusdorsi.B,Thedesignofthethoracodorsalarteryperforatorflap.Thereliablesizeofthethoracodorsalarteryperforatorflapthatcanbeelevatedonasingleperforator(TA-1)was158cm.Themaximumflapupto25cm12cmwasharvestedontwoadjacentperforators(TA-1andTA-2).C,AngiogramofthelatissimusdorsimusclewiththethoracodorsalarteryClinicalAnatomicAtlasofMicrosurgeryClinicalAnatomicAtlasofMicrosurgeryClinicalAnatomicAtlasofMicrosurgeryClinicalapplicationPediclegraftingFreegraftingPediclegraftingRepairingthewoundsofhomonymybreast,neck,upperarm,shoulderandback,evenbreastreconstructionFreegraftingExtremitieswoundTrunkwoundHeadandneckdefectsFig:
Acaseofsarcomaontheleftshoulderofa56-year-oldman.(Above,left)Acompound(chimera)flapisdesigned.Theflapconsistsofathoracodorsalarteryperforatorflapwithasegmentoflatissimusdorsimuscletoreconstructthedeltoidmusclebecauseoftumorresection.(Above,right)Thelatissimusdorsisegment(10-5cm)wasdissectedwithavascularpedicleindependentofthepedicleofthethoracodorsalarteryperforatorflap(arrow).(Below,left)Themusclesegmentiselevated.Theperforatorarisesfromthehorizontalbranchandcoursesunderthethoracodorsalnervebranch(twoarrows)toentertheskinpaddle(vesselloopandarrow).(Below,right)Thethoracodorsalarteryperforatorflapispassedunderthethoracodorsalnervethatisleftintacttotherestofthelatissimusdorsimuscle.HamdiM,etal.SurgicalTechniqueinPedicledThoracodorsalArteryPerforatorFlaps:
AClinicalExperiencewith99Patients.PlastReconstrSurg,2008,121(5):
1632-1641.KoshimaI,etal.Newthoracodorsalarteryperforator(TAPcp)flapwithcapillaryperforatorsforreconstructionofupperlimb.JPlastReconstrAesthetSurg,2010,63
(1):
140-145.Fig:
(A)A73-year-oldwomanwithwidelyinvadedskincanceronradiatedrighthand.Entiredorsalandpalmarskinwasresected.(B)TAPflaponleftlateralthoracicregioninsupineposition.(C)ObtainedTAPflapwiththelateraldescendingbranch.(D)Schemaofreconstruction.Metacarpalboneofindex(M)wastransferredtocreateathumb.Thethoracodorsalartery(T)wasinterposedintoradialarteryinaflow-throughfashion.(E)Oneyearaftersurgery.MeritsBloodsupplyisreliable,andvascularpedicleislong.ItCanbeachievedfreetransplantationorwithapedicletransfertorepairthetrunkofthelimbs,butalsoforbreastreconstructionandrepairofmaxillofacialdefects.Thedonorsiteishiddenandcanbedirectlysutured.Thefunctionandthebeautyofthedonorareaaresmall.Flapthicknessuniformity,rarelyoccursecondaryoperationbloated.BasedonrepairneedcutthechimericorleafTDAPowingtodiversityofoperation.Kepttheintegrityoflatissimusdorsiandnervithoracodorsalis.Didnotaffactmovementfunctionofthelatissimusdorsi.Lesscomplicationofdonorsite.ShortcomingsSurgeryrisky:
DifficultyPreoperativelocalization,Non-constantdiameterandposition,Demandmoremicrotechnique,Prolongedoperationtime:
ChangepositionDonorandrecipientcantsimultaneouslyoperateOthers:
myocutaneousarteryperforatorabsentormutatelimitedflapwidth7-10cmeffectingnormalbreastposition(female)
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- 动脉 TDAP
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