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ID:19498852
大小:3.30 MB
页数:15页
时间:2018-10-02
《ablation of hepatic tumors simultaneous 微波消融治疗肝肿瘤的同时课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ComparisonofMicrowaveandRadiofrequencyAblationofHepaticTissueinaPorcineinvivoModel.AndrewWrightMD,ChrisJohnson,FredLeeJr.MD,andDavidMahviMDDepartmentsofRadiologyandSurgeryUniversityofWisconsinHospitalMicrowaveAblationTheoreticaladvantagesoverradiofrequencyablationNogroundpadNotlimitedbyti
2、ssuecharringandimpedencechangesLargerzoneofactiveheatingUseofMultipleProbesHypothesisBecausemicrowaveandradiofrequencyablationarebothheatbased,therewillbenodifferenceinablationsizeorlesionpathologybetweenthetwotechnologiesMethodsMicrowaveAblationVivantMedicalprototypesystem10minuteablatio
3、n,40WattsRadiofrequencyAblationRITAMedicalSystemsStarburst10minuteablation,3cmdeployment100oCtargettemperatureMicrowaveAblationSystem•VivantMedical•13g,15cmdipoleantenna•915MHzgenerator•FiberoptictemperaturemonitorRadiofrequencyAblationSystem•RITAMedical•14g,15cmexpandablearray•460kHzgene
4、rator•IntegratedthermocoupleTreatmentProtocolNineteencrossbredfemaleswine0,2,and28daysurvivalgroupsMixofMWandRFlesionsineachanimalPathology,serialCTscanning28Daysurvivalgroup4MWor4RFlesionsineachanimalPathology,seriallabdrawsLesionVolume***p=.02LesionLength**▪▪◦*p<.001▪p=.02◦p<.001◦Lesion
5、DiameterLaboratoryData**p<0.001NosignificantdifferenceinAST,ALT,LDH,AlkalinePhosphatase,WBC,orHCTPathologyRFAMWImmediate48o4weeksCTImaging48Hours4WeeksSummaryMWlesionslongerthanRFPathologicalandradiologiccharacteristicssimilarbetweenRFandMWablationBothMWandRFcausethrombocytopeniaat48hours
6、MWablationtechnicallyeasierthanmultiple-prongRFablationConclusionsMWcreatessimilarzonesofcoagulationnecrosisasRFMWablationhasseveraltheoreticaladvantagesoverRFLargerzoneofactiveheatingAbilitytousemultipleprobes
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