Featured Publications
Cryoablation of Venous Malformations: A Systematic Review
Fish A, Moushey A, Chan SM, Staib L, Marino A, Schlachter T. Cryoablation of Venous Malformations: A Systematic Review. Journal Of Vascular And Interventional Radiology 2022, 33: 993-1000. PMID: 35469956, DOI: 10.1016/j.jvir.2022.04.010.Peer-Reviewed Original ResearchConceptsPain scoresVenous malformationsPercutaneous cryoablationLesion volumeClinical studiesLesion sizePostprocedural pain scoresWeighted mean reductionMajor adverse eventsCases of cryoablationPersistent dysesthesiaPostprocedural changesPostprocedural decreaseRandom effects analysisAdverse eventsPatient characteristicsCryoablation techniqueAdverse outcomesTechnical successComplete resolutionPostprocedural symptomsMean reductionCryoablationPrior treatmentSystematic reviewTranspleural Systemic Artery-to-Pulmonary Artery Shunts: A Potential Mimicker of Pulmonary Arteriovenous Malformations
Fish A, Chan SM, Pollak J, Schlachter T. Transpleural Systemic Artery-to-Pulmonary Artery Shunts: A Potential Mimicker of Pulmonary Arteriovenous Malformations. Journal Of Vascular And Interventional Radiology 2022, 34: 300-303. PMID: 36283590, DOI: 10.1016/j.jvir.2022.10.028.Peer-Reviewed Original ResearchResearch Priorities in Percutaneous Image- and Endoscopy-Guided Interventions for Biliary and Gallbladder Diseases: Proceedings from the Society of Interventional Radiology Foundation Multidisciplinary Research Consensus Panel
Riaz A, Trivedi P, Aadam AA, Katariya N, Matsuoka L, Malik A, Gunn AJ, Vezeridis A, Sarwar A, Schlachter T, Harmath C, Srinivasa R, Abi-Jaoudeh N, Singh H. Research Priorities in Percutaneous Image- and Endoscopy-Guided Interventions for Biliary and Gallbladder Diseases: Proceedings from the Society of Interventional Radiology Foundation Multidisciplinary Research Consensus Panel. Journal Of Vascular And Interventional Radiology 2022, 33: 1247-1257. PMID: 35809805, DOI: 10.1016/j.jvir.2022.06.025.Peer-Reviewed Original ResearchConceptsGallbladder diseaseInterventional radiologyPercutaneous imageConsensus panelAnastomotic biliary stricturesProspective research studyIntraductal cholangiocarcinomaNonsurgical patientsCalculous cholecystitisMultimodality managementPercutaneous drainBiliary stricturesPatients' qualityStent placementClinical relevanceResearch prioritiesDiseaseMultidisciplinary groupTotal durationPatientsManagement protocolCurrent dataUnanswered questionsCholecystitisCholedochoscopySafety and feasibility of single use cholecystoscopy for guiding laser or mechanical cholelithotripsy, and mechanical cholelithotomy
Nezami N, Division of Interventional Radiology and Image-Guided Medicine D, Latich I, Chockalingam A, Arici M, Lee J, Lozada J, Schlachter T, Division of Vascular and Interventional Radiology D, Department of Surgery B, Department of Radiology M. Safety and feasibility of single use cholecystoscopy for guiding laser or mechanical cholelithotripsy, and mechanical cholelithotomy. Diagnostic And Interventional Radiology 2022, 28: 352-358. PMID: 35950279, PMCID: PMC9634924, DOI: 10.5152/dir.2022.20810.Peer-Reviewed Original ResearchConceptsAcute calculus cholecystitisCalculus cholecystitisCatheter placementClinical successSingle-institute retrospective analysisCommon bile duct stonesMinor procedure-related complicationsEarly clinical outcomesProcedure-related complicationsBile duct stonesMedian time intervalMean interval timeNumber of interventionsGallstone extractionCholecystostomy tubeEnd of lifeMorbid obesitySurgical contraindicationsSymptomatic cholelithiasisClinical outcomesDuct stonesCardiopulmonary diseaseDrainage catheterPurpose PatientsRetrospective analysis
2024
Criteria for PAVM Reintervention
Fish A, Knight E, Henderson K, Pollak J, Schlachter T. Criteria for PAVM Reintervention. Journal Of Clinical Medicine 2024, 13: 6104. PMID: 39458055, PMCID: PMC11508501, DOI: 10.3390/jcm13206104.Peer-Reviewed Original ResearchParadoxical embolismRetrospective review of patientsReview of patientsModern embolization techniquesRetrospective reviewEmbolization techniquesReinterventionScreening intervalEmbolizationLifetime prevalence ratesPatientsRecurrencePAVMsHemoptysisSpontaneous eventsPrevalence ratesCenters of excellenceReperfusionCriteriaRecurrence of Pulmonary Arteriovenous Malformation after Embolization in Patients with Pulmonary Hypertension
Fish A, Wang D, Knight E, Pollak J, Schlachter T. Recurrence of Pulmonary Arteriovenous Malformation after Embolization in Patients with Pulmonary Hypertension. Journal Of Vascular And Interventional Radiology 2024, 35: 1148-1153. PMID: 38692392, DOI: 10.1016/j.jvir.2024.04.017.Peer-Reviewed Original ResearchPulmonary arteriovenous malformationsPulmonary hypertensionArteriovenous malformationsRecurrence of pulmonary arteriovenous malformationsFollow-upChest CT follow-upPresence of pulmonary hypertensionCT follow-upShorter surveillance intervalsPulmonary artery pressureHistory of smokingPresence of PHCuracao criteriaSurveillance intervalsSmoking historyArterial pressureMultivariate analysisRecurrenceGenetic testingOdds ratioHypertensionPatientsStratified analysisGeneral demographicsStudy period
2022
Conventional vs. Drug-Eluting Beads Transarterial Chemoembolization for Unresectable Hepatocellular Carcinoma—A Propensity Score Weighted Comparison of Efficacy and Safety
Savic L, Chen E, Nezami N, Murali N, Hamm C, Wang C, Lin M, Schlachter T, Hong K, Georgiades C, Chapiro J, Gaupp F. Conventional vs. Drug-Eluting Beads Transarterial Chemoembolization for Unresectable Hepatocellular Carcinoma—A Propensity Score Weighted Comparison of Efficacy and Safety. Cancers 2022, 14: 5847. PMID: 36497329, PMCID: PMC9738175, DOI: 10.3390/cancers14235847.Peer-Reviewed Original ResearchImpact of Chemoembolic Regimen on Immune Cell Recruitment and Immune Checkpoint Marker Expression following Transcatheter Arterial Chemoembolization in a VX2 Rabbit Liver Tumor Model
Berz AM, Santana JG, Iseke S, Gross M, Pekurovsky V, Laage Gaupp F, Savic LJ, Borde T, Gottwald LA, Boustani AM, Gebauer B, Lin M, Zhang X, Schlachter T, Madoff DC, Chapiro J. Impact of Chemoembolic Regimen on Immune Cell Recruitment and Immune Checkpoint Marker Expression following Transcatheter Arterial Chemoembolization in a VX2 Rabbit Liver Tumor Model. Journal Of Vascular And Interventional Radiology 2022, 33: 764-774.e4. PMID: 35346859, PMCID: PMC9344951, DOI: 10.1016/j.jvir.2022.03.026.Peer-Reviewed Original ResearchConceptsTranscatheter arterial chemoembolizationCytotoxic T-lymphocyte-associated protein 4Rabbit liver tumor modelConventional TACEImmune checkpoint marker expressionLiver tumor modelVX2 rabbit liver tumor modelArterial chemoembolizationBicarbonate infusionImmune responseDifferentiation 3T-lymphocyte-associated protein 4Conventional transcatheter arterial chemoembolizationTumor modelCell death protein 1Marker expressionIntratumoral T cellsImmune checkpoint markersT cell infiltrationDeath protein 1Antigen-presenting cellsImmune cell recruitmentNew Zealand white rabbitsZealand white rabbitsAPC infiltrationInterventional radiology
Brejt S, Sobolevsky S, Schlachter T, Chapiro J, Duran R, Tacher V, Zamboni C, Higgins L, Geschwind J. Interventional radiology. 2022, 2774-2803. DOI: 10.1002/9781119600206.ch139.Peer-Reviewed Original ResearchInterventional radiologyPercutaneous therapyTransjugular liver biopsySecondary hepatic malignanciesTreatment of patientsGastrojejunostomy tubeGastrostomy tractLiver biopsyHepatic malignanciesLess painOpen surgeryLess recovery timeLiver cancerAbdominal wallLiver capsuleInterventional oncologyMultidisciplinary teamOrgan systemsMultiple specialtiesIR proceduresLess riskTherapyRadiologyRecovery timePain
2021
Quantitative Automated Segmentation of Lipiodol Deposits on Cone-Beam CT Imaging Acquired during Transarterial Chemoembolization for Liver Tumors: A Deep Learning Approach
Malpani R, Petty CW, Yang J, Bhatt N, Zeevi T, Chockalingam V, Raju R, Petukhova-Greenstein A, Santana JG, Schlachter TR, Madoff DC, Chapiro J, Duncan J, Lin M. Quantitative Automated Segmentation of Lipiodol Deposits on Cone-Beam CT Imaging Acquired during Transarterial Chemoembolization for Liver Tumors: A Deep Learning Approach. Journal Of Vascular And Interventional Radiology 2021, 33: 324-332.e2. PMID: 34923098, PMCID: PMC8972393, DOI: 10.1016/j.jvir.2021.12.017.Peer-Reviewed Original ResearchComparison of metabolic and immunologic responses to transarterial chemoembolization with different chemoembolic regimens in a rabbit VX2 liver tumor model
Doemel LA, Santana JG, Savic LJ, Gaupp FML, Borde T, Petukhova-Greenstein A, Kucukkaya AS, Schobert IT, Hamm CA, Gebauer B, Walsh JJ, Rexha I, Hyder F, Lin M, Madoff DC, Schlachter T, Chapiro J, Coman D. Comparison of metabolic and immunologic responses to transarterial chemoembolization with different chemoembolic regimens in a rabbit VX2 liver tumor model. European Radiology 2021, 32: 2437-2447. PMID: 34718844, PMCID: PMC9359419, DOI: 10.1007/s00330-021-08337-3.Peer-Reviewed Original ResearchConceptsDrug-eluting embolicsImmune cell infiltrationAntigen-presenting cellsBicarbonate infusionConventional TACEDEE-TACETransarterial chemotherapyCell infiltrationImmune cellsPeritumoral infiltrationT lymphocytesIntratumoral immune cell infiltrationTumor modelRabbit VX2 liver tumor modelImmunological tumor microenvironmentVX2 liver tumor modelIntra-arterial therapyIntra-arterial treatmentRabbit VX2 tumor modelLiver tumor modelTumor-bearing rabbitsVX2 tumor modelMann-Whitney U testIntratumoral presenceTransarterial chemoembolizationIncidence of Spontaneous Pulmonary AVM Rupture in HHT Patients
Fish A, Henderson K, Moushey A, Pollak J, Schlachter T. Incidence of Spontaneous Pulmonary AVM Rupture in HHT Patients. Journal Of Clinical Medicine 2021, 10: 4714. PMID: 34682838, PMCID: PMC8540859, DOI: 10.3390/jcm10204714.Peer-Reviewed Original ResearchAVM ruptureHHT patientsPulmonary hemorrhagePulmonary AVMsLife-threatening complicationsInitial presentationTrue incidenceEmbolization techniquesSpontaneous ruptureSingle lifetime episodeSubsequent embolizationLifetime prevalenceLifetime episodesPatientsIncidenceComplicationsHemorrhageAVMRuptureHemothoraxEmbolizationHydrothoraxLesionsPrevalenceCasesIntroduction to IVC Filter Retrieval
Moushey A, Chen A, Gaupp F, Schlachter T. Introduction to IVC Filter Retrieval. CSurgeries 2021 DOI: 10.17797/2021081302.Peer-Reviewed Original ResearchLipiodol as an intra-procedural imaging biomarker for liver tumor response to transarterial chemoembolization: Post-hoc analysis of a prospective clinical trial
Letzen BS, Malpani R, Miszczuk M, de Ruiter QMB, Petty CW, Rexha I, Nezami N, Laage-Gaupp F, Lin M, Schlachter TR, Chapiro J. Lipiodol as an intra-procedural imaging biomarker for liver tumor response to transarterial chemoembolization: Post-hoc analysis of a prospective clinical trial. Clinical Imaging 2021, 78: 194-200. PMID: 34022765, PMCID: PMC8364875, DOI: 10.1016/j.clinimag.2021.05.007.Peer-Reviewed Original ResearchConceptsConventional trans-arterial chemoembolizationMedian overall survivalProspective clinical trialsLipiodol depositionTumor responsePredictive biomarkersClinical trialsModified Response Evaluation CriteriaPost-TACE CTResponse Evaluation CriteriaMetastatic liver cancerKaplan-Meier analysisTrans-arterial chemoembolizationTumor response criteriaLiver tumor responsePrediction of survivalSelective drug targetingArterial embolizationLiver metastasesOverall survivalBland-Altman plotsTransarterial chemoembolizationPortal veinTumor respondersHepatocellular carcinomaThermal ablation alone vs thermal ablation combined with transarterial chemoembolization for patients with small (<3 cm) hepatocellular carcinoma
Chai NX, Chapiro J, Petukhova A, Gross M, Kucukkaya A, Raju R, Zeevi T, Elbanan M, Lin M, Perez-Lozada JC, Schlachter T, Strazzabosco M, Pollak JS, Madoff DC. Thermal ablation alone vs thermal ablation combined with transarterial chemoembolization for patients with small (<3 cm) hepatocellular carcinoma. Clinical Imaging 2021, 76: 123-129. PMID: 33592550, PMCID: PMC8217099, DOI: 10.1016/j.clinimag.2021.01.043.Peer-Reviewed Original ResearchConceptsOverall survivalTransarterial chemoembolizationHepatocellular carcinomaThermal ablationTA groupEarly-stage hepatocellular carcinomaMedian overall survivalTherapy-naïve patientsKaplan-Meier analysisMaximum tumor diameterStage hepatocellular carcinomaLog-rank testDrug-eluting beadsSmall hepatocellular carcinomaTerms of TTPHIPAA-compliant IRBSignificant differencesLipiodol-TACELocoregional therapyBCLC stageComplication rateTreatment cohortsTumor diameterAFP levelsPatient groupDeep learning–assisted differentiation of pathologically proven atypical and typical hepatocellular carcinoma (HCC) versus non-HCC on contrast-enhanced MRI of the liver
Oestmann PM, Wang CJ, Savic LJ, Hamm CA, Stark S, Schobert I, Gebauer B, Schlachter T, Lin M, Weinreb JC, Batra R, Mulligan D, Zhang X, Duncan JS, Chapiro J. Deep learning–assisted differentiation of pathologically proven atypical and typical hepatocellular carcinoma (HCC) versus non-HCC on contrast-enhanced MRI of the liver. European Radiology 2021, 31: 4981-4990. PMID: 33409782, PMCID: PMC8222094, DOI: 10.1007/s00330-020-07559-1.Peer-Reviewed Original ResearchConceptsNon-HCC lesionsHepatocellular carcinomaHCC lesionsAtypical imagingGrading systemLI-RADS criteriaAtypical imaging featuresPrimary liver cancerTypical hepatocellular carcinomaAtypical hepatocellular carcinomaContrast-enhanced MRISensitivity/specificityLiver transplantMethodsThis IRBRetrospective studyLiver malignanciesImaging featuresLiver cancerAtypical featuresConclusionThis studyLesionsMRIClinical applicationCarcinomaImage-based diagnosis
2020
Reliable prediction of survival in advanced-stage hepatocellular carcinoma treated with sorafenib: comparing 1D and 3D quantitative tumor response criteria on MRI
Doemel LA, Chapiro J, Laage Gaupp F, Savic LJ, Kucukkaya AS, Petukhova A, Tefera J, Zeevi T, Lin M, Schlachter T, Jaffe A, Strazzabosco M, Patel T, Stein SM. Reliable prediction of survival in advanced-stage hepatocellular carcinoma treated with sorafenib: comparing 1D and 3D quantitative tumor response criteria on MRI. European Radiology 2020, 31: 2737-2746. PMID: 33123796, PMCID: PMC8043967, DOI: 10.1007/s00330-020-07381-9.Peer-Reviewed Original ResearchConceptsTumor response criteriaOverall survivalAdvanced-stage HCCDisease progressionSorafenib therapyDisease controlResponse criteriaCox proportional hazards regression modelAdvanced-stage hepatocellular carcinomaProportional hazards regression modelsDCE-MRIInitiation of sorafenibTumor response analysisMultivariable Cox regressionIndependent risk factorMethodsThis retrospective analysisIndependent prognostic factorInitiation of treatmentKaplan-Meier analysisKaplan-Meier curvesHazards regression modelsLog-rank testStratification of patientsTotal tumor volumeArterial phase MRIAutomated feature quantification of Lipiodol as imaging biomarker to predict therapeutic efficacy of conventional transarterial chemoembolization of liver cancer
Stark S, Wang C, Savic LJ, Letzen B, Schobert I, Miszczuk M, Murali N, Oestmann P, Gebauer B, Lin M, Duncan J, Schlachter T, Chapiro J. Automated feature quantification of Lipiodol as imaging biomarker to predict therapeutic efficacy of conventional transarterial chemoembolization of liver cancer. Scientific Reports 2020, 10: 18026. PMID: 33093524, PMCID: PMC7582153, DOI: 10.1038/s41598-020-75120-7.Peer-Reviewed Original ResearchConceptsConventional transarterial chemoembolizationLipiodol depositionTransarterial chemoembolizationLiver cancerPeripheral depositionLipiodol depositsTherapeutic efficacyNecrotic tumor areasBaseline MRITherapy optionsTumor responseTreatment responseTumor volumeLiver lesionsLipiodolH postTumor areaH-CTHounsfield unitsBiomarkersChemoembolizationHigh rateTumorsCancerImproved responseProspective study of Lipiodol distribution as an imaging marker for doxorubicin pharmacokinetics during conventional transarterial chemoembolization of liver malignancies
Savic LJ, Chapiro J, Funai E, Bousabarah K, Schobert IT, Isufi E, Geschwind JH, Stark S, He P, Rudek MA, Perez Lozada JC, Ayyagari R, Pollak J, Schlachter T. Prospective study of Lipiodol distribution as an imaging marker for doxorubicin pharmacokinetics during conventional transarterial chemoembolization of liver malignancies. European Radiology 2020, 31: 3002-3014. PMID: 33063185, DOI: 10.1007/s00330-020-07380-w.Peer-Reviewed Original ResearchConceptsConventional transarterial chemoembolizationProspective clinical trialsTumor responseConventional TACEAdverse eventsTransarterial chemoembolizationLiver malignanciesClinical trialsMarker predictiveTumor volumeExact testChild-Pugh B classVolumetric tumor responseChild-Pugh BPeak concentrationNon-compartmental analysisFisher's exact testDose normalizationQuantitative European AssociationStandard non-compartmental analysisTime-concentration curveLiver criteriaLobar distributionDoxorubicin pharmacokineticsNeuroendocrine metastasesIdarubicin-Loaded ONCOZENE Drug-Eluting Bead Chemoembolization in a Rabbit Liver Tumor Model: Investigating Safety, Therapeutic Efficacy, and Effects on Tumor Microenvironment
Borde T, Gaupp F, Geschwind JF, Savic LJ, Miszczuk M, Rexha I, Adam L, Walsh JJ, Huber S, Duncan JS, Peters DC, Sinusas A, Schlachter T, Gebauer B, Hyder F, Coman D, van Breugel JMM, Chapiro J. Idarubicin-Loaded ONCOZENE Drug-Eluting Bead Chemoembolization in a Rabbit Liver Tumor Model: Investigating Safety, Therapeutic Efficacy, and Effects on Tumor Microenvironment. Journal Of Vascular And Interventional Radiology 2020, 31: 1706-1716.e1. PMID: 32684417, PMCID: PMC7541537, DOI: 10.1016/j.jvir.2020.04.010.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibiotics, AntineoplasticBiosensing TechniquesCell Line, TumorCell ProliferationChemoembolization, TherapeuticDiffusion Magnetic Resonance ImagingHydrogen-Ion ConcentrationIdarubicinLiver Neoplasms, ExperimentalMaleMicrospheresMultidetector Computed TomographyParticle SizeRabbitsTumor MicroenvironmentConceptsMultiparametric magnetic resonanceRabbit liver tumor modelDiffusion-weighted imagingLiver tumor modelDEE chemoembolizationDrug-eluting embolic transarterial chemoembolizationTumor microenvironmentTumor modelMale New Zealand white rabbitsTumor acidosisNew Zealand white rabbitsVX2 liver tumorsZealand white rabbitsLaboratory parametersTransarterial chemoembolizationBead chemoembolizationMultiparametric MRDCE MR imagingLiver enzymesPostprocedural increaseIntratumoral hypoxiaLiver tumorsEntire lesionTherapeutic mechanismChemoembolization