2023
Performance and reliability assessment of a lower dose, task-based scoliosis radiography protocol in pediatric patients
Al-Dasuqi K, Taylor E, Ehrlich L, Cooperman D, Socci A, Tuason D, Hoerner M, Staib L, Silva C. Performance and reliability assessment of a lower dose, task-based scoliosis radiography protocol in pediatric patients. Pediatric Radiology 2023, 54: 146-153. PMID: 38010426, DOI: 10.1007/s00247-023-05812-5.Peer-Reviewed Original ResearchConceptsDose area productPatient heightAdequate image qualityEffective doseExposure indexMedian effective doseLower radiation exposureComparison of proportionsChi-squared testIntraclass correlation coefficientBland-Altman plotsConsecutive patientsPediatric patientsIncident air kermaDose reductionLow doseSkeletal maturityRadiographsPatientsAir kermaRadiation exposureScoliosis radiographyStatistical significanceDoseSpinal curvature
2022
Percutaneous Transsplenic Balloon-Assisted Transjugular Intrahepatic Portosystemic Shunt Placement in Patients with Portal Vein Obliteration for Portal Vein Recanalization: Feasibility, Safety and Effectiveness
Meine T, Becker L, Dewald C, Maschke S, Maasoumy B, Jaeckel E, Wedemeyer H, Wacker F, Meyer B, Hinrichs J. Percutaneous Transsplenic Balloon-Assisted Transjugular Intrahepatic Portosystemic Shunt Placement in Patients with Portal Vein Obliteration for Portal Vein Recanalization: Feasibility, Safety and Effectiveness. CardioVascular And Interventional Radiology 2022, 45: 696-702. PMID: 35018502, PMCID: PMC9018628, DOI: 10.1007/s00270-021-03054-2.Peer-Reviewed Original ResearchConceptsDose area productPVR-TIPSFluoroscopy timeAir kermaPuncture techniqueTransjugular intrahepatic portosystemic shunt placementIntrahepatic portal vein branchesPortal vein obliterationPortal vein recanalizationPortosystemic shunt placementPortal vein occlusionNonselective beta blockersEndoscopic variceal ligationChronic liver diseasePortal vein branchesVein occlusionVein recanalizationConsecutive patientsShunt placementVariceal ligationPortal hypertensionTechnical successChronic PVTBeta blockersRetrospective study
2021
Adrenal venous sampling in primary hyperaldosteronism: correlation of hormone indices and collimated C-arm CT findings
Becker L, Hinrichs M, Werncke T, Dewald C, Maschke S, Limbourg F, Ringe K, Hinrichs J, Wacker F, Meyer B. Adrenal venous sampling in primary hyperaldosteronism: correlation of hormone indices and collimated C-arm CT findings. Abdominal Radiology 2021, 46: 3471-3481. PMID: 33674958, PMCID: PMC8215038, DOI: 10.1007/s00261-021-03003-0.Peer-Reviewed Original ResearchConceptsAdrenal venous samplingAdrenal venous sampling procedureDose area productVenous samplingHormonal indicesSuccess rateRadiation exposureRight iliac veinLower radiation exposureAdrenal veinPrimary hyperaldosteronismConsecutive patientsCT findingsIliac veinMatched CohortHormone levelsRight-sidedVein enhancementHormonal stimulationArea productPurposeToCohortHormoneVeinSequential samplingCreation of an ex-vivo bovine kidney flow model for testing embolic agents: work in progress
Garza L, Bitar R, O’Donnell B, Parker M, Ortiz C, Hyman C, Walker J, Song H, Lopera J. Creation of an ex-vivo bovine kidney flow model for testing embolic agents: work in progress. CVIR Endovascular 2021, 4: 20. PMID: 33534088, PMCID: PMC7859154, DOI: 10.1186/s42155-021-00210-0.Peer-Reviewed Original ResearchBovine kidneyEmbolic agentMean dose area productDose area productDeployment of coilsFluoroscopy doseKidney weightFluoroscopy timePost-embolizationEmbolization techniquesCannulation timeFluoroscopic guidanceSegmental arteriesArtery selectionEmbolic materialPreclinical evaluationAdult kidneyGelfoam injectionOperative timeGelfoamGlue mixtureEmbolic effectKidneySuccess rateCoil deployment
2020
Transjugular intrahepatic portosystemic shunt placement: portal vein puncture guided by 3D/2D image registration of contrast-enhanced multi-detector computed tomography and fluoroscopy
Meine T, Dewald C, Becker L, Mähringer-Kunz A, Massoumy B, Maschke S, Kirstein M, Werncke T, Wacker F, Meyer B, Hinrichs J. Transjugular intrahepatic portosystemic shunt placement: portal vein puncture guided by 3D/2D image registration of contrast-enhanced multi-detector computed tomography and fluoroscopy. Abdominal Radiology 2020, 45: 3934-3943. PMID: 32451673, PMCID: PMC7593285, DOI: 10.1007/s00261-020-02589-1.Peer-Reviewed Original ResearchConceptsTransjugular intrahepatic portosystemic shuntDose area productFluoroscopy timePortal vein puncturePuncture timeFluoroscopic guidancePuncture guidanceProcedural characteristicsContrast-enhanced multi-detector computed tomographyTransjugular intrahepatic portosystemic shunt placementTransjugular intrahepatic portosystemic shunt procedureVein punctureClinically significant complicationsMulti-detector computed tomographyContrast enhancementIntrahepatic portosystemic shuntThree-dimensional vascular mapCatheterization timeConsecutive patientsPuncture complicationsPortal hypertensionTIPS procedureCE-MDCTSignificant complicationsInterventional radiologists
2018
Reducing Radiation Exposure in Cardiac Catheterizations for Congenital Heart Disease
Patel C, Grossman M, Shabanova V, Asnes J. Reducing Radiation Exposure in Cardiac Catheterizations for Congenital Heart Disease. Pediatric Cardiology 2018, 40: 638-649. PMID: 30542920, DOI: 10.1007/s00246-018-2039-9.Peer-Reviewed Original ResearchConceptsCatheterization labRadiation exposureCardiac catheterizationYale-New Haven Children's HospitalDAP/Patent ductus arteriosusAtrial septal defectCongenital heart diseaseDose area productSystems-based interventionsCardiac catheterization labCongenital cardiac catheterizationTotal air kermaPost-intervention dataRadiation dose reductionAir kermaQuality improvement strategiesDuctus arteriosusTranscatheter pulmonaryChildren's HospitalDA dosesSeptal defectHeart diseaseLow fluoroscopyProcedure type
2017
C-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
2015
A 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 readersA Double-Blind, Randomized, Sham-Controlled Trial of the Effect of a Radiation-Attenuating Drape on Radiation Exposure to Endoscopy Staff During ERCP
Muniraj T, Aslanian HR, Laine L, Farrell J, Ciarleglio MM, Deng Y, Ho H, Jamidar PA. A Double-Blind, Randomized, Sham-Controlled Trial of the Effect of a Radiation-Attenuating Drape on Radiation Exposure to Endoscopy Staff During ERCP. The American Journal Of Gastroenterology 2015, 110: 690. PMID: 25823765, DOI: 10.1038/ajg.2015.85.Peer-Reviewed Original ResearchConceptsEndoscopic retrograde cholangiopancreatographyTherapeutic endoscopic retrograde cholangiopancreatographyHigh-volume centersRadiation exposureEffective doseTertiary care university centerDouble-blind trialPrimary end pointRelative risk reductionDose area productEye levelAnnual radiation exposureRetrograde cholangiopancreatographyStudy groupEnd pointNeckDoseEndoscopistsRadiation doseEyesShamRisk reductionAnnual effective doseExposureArea product
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