2020
Quantification of contrast-uptake as imaging biomarker for disease progression of renal cell carcinoma after tumor ablation
Tegel BR, Huber S, Savic LJ, Lin M, Gebauer B, Pollak J, Chapiro J. Quantification of contrast-uptake as imaging biomarker for disease progression of renal cell carcinoma after tumor ablation. Acta Radiologica 2020, 61: 1708-1716. PMID: 32216452, PMCID: PMC7529766, DOI: 10.1177/0284185120909964.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesAdultAgedAged, 80 and overBiomarkers, TumorCarcinoma, Renal CellContrast MediaDisease ProgressionFemaleHumansImaging, Three-DimensionalKidney NeoplasmsMaleMiddle AgedNeoplasm StagingRadiography, InterventionalRetrospective StudiesSensitivity and SpecificityTumor BurdenUltrasonography, InterventionalConceptsProgression-free survivalTotal tumor volumeRenal cell carcinomaCell carcinomaOdds ratioTumor volumeImaging biomarkersImage-guided thermal ablationPrognosis of patientsRENAL nephrometry scoreCox regression modelLargest tumor diameterLog-rank testKaplan-Meier plotsCross-sectional imagingSensitive imaging biomarkerMetastatic diseaseSecondary outcomesPrimary outcomeDistant metastasisNephrometry scoreTumor diameterOutcome parametersLesion vascularityTNM stage
2019
Case-Control Comparison of Conventional End-Hole versus Balloon-Occlusion Microcatheter Prostatic Artery Embolization for Treatment of Symptomatic Benign Prostatic Hyperplasia
Ayyagari R, Powell T, Staib L, Chapiro J, Schoenberger S, Devito R, Pollak J. Case-Control Comparison of Conventional End-Hole versus Balloon-Occlusion Microcatheter Prostatic Artery Embolization for Treatment of Symptomatic Benign Prostatic Hyperplasia. Journal Of Vascular And Interventional Radiology 2019, 30: 1459-1470. PMID: 31375451, DOI: 10.1016/j.jvir.2019.05.033.Peer-Reviewed Original ResearchConceptsProstatic artery embolizationBenign prostatic hyperplasiaEH groupArtery embolizationSymptomatic improvementAdverse eventsProstatic hyperplasiaInternational Prostate Symptom Score improvementTrial successSymptomatic benign prostatic hyperplasiaBO groupContrast material useProstatic artery anatomySymptom score improvementAdverse event ratesProcedural metricsResidual improvementCase-control comparisonClinical improvementRetrospective reviewArtery anatomyMicrocatheter selectionContrast materialScore improvementEvent rates
2018
The Role of Artificial Intelligence in Interventional Oncology: A Primer
Letzen B, Wang CJ, Chapiro J. The Role of Artificial Intelligence in Interventional Oncology: A Primer. Journal Of Vascular And Interventional Radiology 2018, 30: 38-41.e1. PMID: 30528289, DOI: 10.1016/j.jvir.2018.08.032.Peer-Reviewed Original ResearchClinical 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
Characteristics of a New X-Ray Imaging System for Interventional Procedures: Improved Image Quality and Reduced Radiation Dose
Schernthaner RE, Haroun RR, Nguyen S, Duran R, Sohn JH, Sahu S, Chapiro J, Zhao Y, Radaelli A, van der Bom IM, Mauti M, Hong K, Geschwind JH, Lin M. Characteristics of a New X-Ray Imaging System for Interventional Procedures: Improved Image Quality and Reduced Radiation Dose. CardioVascular And Interventional Radiology 2017, 41: 502-508. PMID: 29090348, PMCID: PMC5801377, DOI: 10.1007/s00270-017-1821-z.Peer-Reviewed Original ResearchC-Arm Cone Beam CT for Intraprocedural Image Fusion and 3D Guidance in Portal Vein Embolization (PVE)
Lüdemann WM, Böning G, Chapiro J, Jonczyk M, Geisel D, Schnapauff D, Wieners G, Schmelzle M, Chopra S, Günther RW, Gebauer B, Streitparth F. C-Arm Cone Beam CT for Intraprocedural Image Fusion and 3D Guidance in Portal Vein Embolization (PVE). CardioVascular And Interventional Radiology 2017, 41: 424-432. PMID: 28875339, DOI: 10.1007/s00270-017-1782-2.Peer-Reviewed Original ResearchConceptsPortal vein embolizationDose area productVein embolizationPuncture timeControl groupNeedle guidanceDifficult anatomic situationsIntervention-related complicationsTotal dose-area productPortal vein anatomyC-arm cone beamPortal vein accessC-arm cone-beam CTUse of USNumber of puncturesContrast-enhanced CBCTFuture liverLiver diseaseTechnical successVein accessUltrasound guidanceCE-CTVein anatomyAnatomic situationPuncture attempts
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 planningChemoembolizationCholangiocarcinomaCombination of intra-arterial therapies and sorafenib: Is there a clinical benefit?
Chapiro J, Duran R, Geschwind JF. Combination of intra-arterial therapies and sorafenib: Is there a clinical benefit? La Radiologia Medica 2014, 119: 476-482. PMID: 24894921, DOI: 10.1007/s11547-014-0413-0.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsBiomarkers, TumorCarcinoma, HepatocellularChemoembolization, TherapeuticEmbolization, TherapeuticHepatectomyHepatic ArteryHumansInfusions, Intra-ArterialLiver NeoplasmsMicrospheresNeoplasm StagingNiacinamidePhenylurea CompoundsRadiography, InterventionalSorafenibSurvival RateConceptsIntra-arterial therapySurvival benefitIntroduction of sorafenibLoco-regional approachesAdvanced stage diseaseSignificant survival benefitUnresectable hepatocellular carcinomaLocal tumor controlTreatment of patientsSequence of administrationConventional systemic chemotherapyInternational clinical trialsOral monotherapySystemic chemotherapyExciting new optionsClinical outcomesTransarterial chemoembolizationClinical benefitSafety profileTumor controlClinical trialsHepatocellular carcinomaNovel agentsPotential biomarkersSystemic toxicity