2018
Clinical Experience with Real-Time 3-D Guidance Based on C-Arm-Acquired Cone-Beam CT (CBCT) in Transjugular Intrahepatic Portosystemic Stent Shunt (TIPSS) Placement
Böning G, Lüdemann WM, Chapiro J, Jonczyk M, Hamm B, Günther RW, Gebauer B, Streitparth F. Clinical Experience with Real-Time 3-D Guidance Based on C-Arm-Acquired Cone-Beam CT (CBCT) in Transjugular Intrahepatic Portosystemic Stent Shunt (TIPSS) Placement. CardioVascular And Interventional Radiology 2018, 41: 1035-1042. PMID: 29541837, DOI: 10.1007/s00270-018-1877-4.Peer-Reviewed Original ResearchMeSH KeywordsCone-Beam Computed TomographyFeasibility StudiesFemaleFluoroscopyHepatic VeinsHumansHypertension, PortalImaging, Three-DimensionalMaleMiddle AgedPortal VeinPortasystemic Shunt, Transjugular IntrahepaticProspective StudiesPuncturesRadiography, InterventionalRetrospective StudiesStentsTreatment OutcomeUltrasonographyConceptsPuncture attemptsTIPSS placementTIPSS procedureProcedure timeTransjugular intrahepatic portosystemic stent shunt placementMean puncture timeSuccess ratePortal vein punctureSignificant differencesShunt placementPuncture timeConsecutive casesMedian numberProspective groupVein punctureUS guidanceClinical experienceControl groupCone beamStudy designCone-beam CTMean timeDoseCBCT guidancePatients
2017
Diagnostic Accuracy of Split-Bolus Single-Phase Contrast-Enhanced Cone-Beam CT for the Detection of Liver Tumors before Transarterial Chemoembolization
Jonczyk M, Chapiro J, Collettini F, Geisel D, Schnapauff D, Streitparth F, Schmidt T, Hamm B, Gebauer B, Wieners G. Diagnostic Accuracy of Split-Bolus Single-Phase Contrast-Enhanced Cone-Beam CT for the Detection of Liver Tumors before Transarterial Chemoembolization. Journal Of Vascular And Interventional Radiology 2017, 28: 1378-1385. PMID: 28747271, DOI: 10.1016/j.jvir.2017.05.018.Peer-Reviewed Original ResearchConceptsTransarterial chemoembolizationHepatocellular carcinomaMR imagingCone-beam CTContrast injectionSingle-center studyContrast-enhanced MR imagingHypervascularized tumorsMore tumorsLiver tumorsHCC tumorsPhase MR imagingHepatobiliary phase MRIntraindividual comparisonTumorsChemoembolizationDiagnostic accuracyCTArterial phase MR imagingStatistical differenceWilcoxon testIndependent readersCone-beam CT imagesPatientsBetter tumor detection
2016
Improved Visibility of Metastatic Disease in the Liver During Intra-Arterial Therapy Using Delayed Arterial Phase Cone-Beam CT
Schernthaner RE, Haroun RR, Duran R, Lee H, Sahu S, Sohn JH, Chapiro J, Zhao Y, Gorodetski B, Fleckenstein F, Smolka S, Radaelli A, van der Bom IM, Lin M, Geschwind JF. Improved Visibility of Metastatic Disease in the Liver During Intra-Arterial Therapy Using Delayed Arterial Phase Cone-Beam CT. CardioVascular And Interventional Radiology 2016, 39: 1429-1437. PMID: 27380872, PMCID: PMC5009166, DOI: 10.1007/s00270-016-1406-2.Peer-Reviewed Original ResearchConceptsIntra-arterial therapyDigital subtraction angiographyLiver metastasesDP-CBCTCone-beam CTDual-phase cone-beam CTContrast-enhanced magnetic resonance imagingSarcoma liver metastasesTumor-feeding arteriesMagnetic resonance imagingContrast agent injectionMetastatic diseaseMethodsThis IRBRetrospective studyCRCLMClinical impactArterial phaseCE-MRIDepiction rateResonance imagingAgent injectionSubtraction angiographyMetastasisTherapyHigh rate
2015
Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors.
Tacher V, Duran R, Lin M, Sohn JH, Sharma KV, Wang Z, Chapiro J, Gacchina Johnson C, Bhagat N, Dreher MR, Schäfer D, Woods DL, Lewis AL, Tang Y, Grass M, Wood BJ, Geschwind JF. Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors. Radiology 2015, 279: 741-53. PMID: 26678453, PMCID: PMC4886703, DOI: 10.1148/radiol.2015141624.Peer-Reviewed Original ResearchConceptsTransarterial embolizationLiver tumor modelFeeding arteriesContrast materialMultidetector CTEmbolic agentTumor modelRabbit VX2 liver tumor modelRadiopaque microspheresVX2 tumor-bearing rabbitsCone-beam CTContrast material washoutRabbit liver tumor modelVX2 liver tumor modelTumor feeding arteriesVX2 rabbit liver tumor modelMicro-CTHistologic examinationInstitutional Animal CareTumor enhancementKruskal-Wallis testScale scoreHistologic analysisEmbolizationCone beamIntraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma
Wang Z, Chen R, Duran R, Zhao Y, Yenokyan G, Chapiro J, Schernthaner R, Radaelli A, Lin M, Geschwind JF. Intraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma. CardioVascular And Interventional Radiology 2015, 38: 1548-1556. PMID: 26001366, PMCID: PMC4651808, DOI: 10.1007/s00270-015-1129-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyContrast MediaEthiodized OilFemaleFollow-Up StudiesHumansImage EnhancementImaging, Three-DimensionalLiverLiver NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedRetrospective StudiesTreatment OutcomeConceptsLipiodol depositionConventional transarterial chemoembolizationTumor responseOverall tumor volumeTumor volumeCE-MRIHepatocellular carcinomaTransarterial chemoembolizationTumor necrosisContrast-enhanced magnetic resonance imagingNecrotic tumour volumeResponse Evaluation CriteriaT-testMagnetic resonance imagingStudent's t-testMethodsThis IRBTarget lesionsRetrospective analysisSolid tumorsResonance imagingSpearman rank-order correlationPatientsCone-beam CTCBCTChemoembolizationFeasibility of a Modified Cone-Beam CT Rotation Trajectory to Improve Liver Periphery Visualization during Transarterial Chemoembolization.
Schernthaner RE, Chapiro J, Sahu S, Withagen P, Duran R, Sohn JH, Radaelli A, van der Bom IM, Geschwind JF, Lin M. Feasibility of a Modified Cone-Beam CT Rotation Trajectory to Improve Liver Periphery Visualization during Transarterial Chemoembolization. Radiology 2015, 277: 833-41. PMID: 26000642, PMCID: PMC4654716, DOI: 10.1148/radiol.2015142821.Peer-Reviewed Original ResearchConceptsCone-beam CTTransarterial chemoembolizationLiver volumeRadiation exposureInstitutional review board-approved studyPeripheral hepatic tumorsSecondary liver cancerCT radiation exposureCone beam CT examinationsBoard-approved studyTumor detectabilityRadiation exposure reductionHepatic tumorsCT examinationsLiver cancerCT protocolPatientsCone beamMagnetic resonance imagesCT indicesC-arm rotatesCTTumorsExposure reductionRank testA new angiographic imaging platform reduces radiation exposure for patients with liver cancer treated with transarterial chemoembolization
Schernthaner RE, Duran R, Chapiro J, Wang Z, Geschwind JF, Lin M. A new angiographic imaging platform reduces radiation exposure for patients with liver cancer treated with transarterial chemoembolization. European Radiology 2015, 25: 3255-3262. PMID: 25956933, PMCID: PMC4595540, DOI: 10.1007/s00330-015-3717-0.Peer-Reviewed Original ResearchConceptsDose area productDigital subtraction angiographyTransarterial chemoembolizationCone-beam CTRadiation exposureLiver cancerDSA image qualityCumulative dose area productSecondary liver cancerLiver cancer patientsTwo-arm trialSignificant differencesResultsBoth cohortsDiagnostic image qualityPatient characteristicsConsecutive patientsTumor burdenTACE proceduresCancer patientsSubtraction angiographyPatientsHIPAA compliantDigital fluoroscopyProcedure courseIndependent readers
2014
Delayed-Phase Cone-Beam CT Improves Detectability of Intrahepatic Cholangiocarcinoma During Conventional Transarterial Chemoembolization
Schernthaner RE, Lin M, Duran R, Chapiro J, Wang Z, Geschwind JF. Delayed-Phase Cone-Beam CT Improves Detectability of Intrahepatic Cholangiocarcinoma During Conventional Transarterial Chemoembolization. CardioVascular And Interventional Radiology 2014, 38: 929-936. PMID: 25476872, PMCID: PMC4457721, DOI: 10.1007/s00270-014-1026-7.Peer-Reviewed Original ResearchMeSH KeywordsAngiography, Digital SubtractionBile Duct NeoplasmsChemoembolization, TherapeuticCholangiocarcinomaCohort StudiesCone-Beam Computed TomographyFemaleHumansLiverMagnetic Resonance ImagingMaleMiddle AgedObserver VariationRadiography, InterventionalReproducibility of ResultsRetrospective StudiesConceptsDual-phase cone-beam CTConventional transarterial chemoembolizationDigital subtraction angiographyIntrahepatic cholangiocarcinomaICC lesionsTransarterial chemoembolizationCE-MRICone-beam CTContrast-enhanced magnetic resonance imagingMethodsThis retrospective studyProsthetic mitral valveMagnetic resonance imagingHigher detectability rateConsecutive patientsRetrospective studyMitral valveMore lesionsLesionsResonance imagingSubtraction angiographyRoutine useLesion visibilityTreatment planningChemoembolizationCholangiocarcinoma