2014
Approaches to Enhancing Radiation Safety in Cardiovascular Imaging
Fazel R, Gerber TC, Balter S, Brenner DJ, Carr JJ, Cerqueira MD, Chen J, Einstein AJ, Krumholz HM, Mahesh M, McCollough CH, Min JK, Morin RL, Nallamothu BK, Nasir K, Redberg RF, Shaw LJ. Approaches to Enhancing Radiation Safety in Cardiovascular Imaging. Circulation 2014, 130: 1730-1748. PMID: 25366837, DOI: 10.1161/cir.0000000000000048.Peer-Reviewed Original Research
2013
Determinants of fluoroscopy time for invasive coronary angiography and percutaneous coronary intervention: Insights from the NCDR®
Fazel R, Curtis J, Wang Y, Einstein AJ, Smith‐Bindman R, Tsai TT, Chen J, Shah ND, Krumholz HM, Nallamothu BK. Determinants of fluoroscopy time for invasive coronary angiography and percutaneous coronary intervention: Insights from the NCDR®. Catheterization And Cardiovascular Interventions 2013, 82: 1091-1105. PMID: 23703793, DOI: 10.1002/ccd.24996.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionInvasive coronary angiographyHospital-level factorsFluoroscopy timePrior CABGCoronary interventionPrior coronary artery bypassRadiation exposureCoronary artery bypassNumerous clinical scenariosArtery bypassCathPCI RegistryPatient characteristicsCoronary angiographyPCI proceduresModifiable determinantsPatientsClinical scenariosModifiable sourceProcedure complexityCABGMinutesInterventionExposureWide variation
2010
Cumulative Exposure to Ionizing Radiation From Diagnostic and Therapeutic Cardiac Imaging Procedures A Population-Based Analysis
Chen J, Einstein AJ, Fazel R, Krumholz HM, Wang Y, Ross JS, Ting HH, Shah ND, Nasir K, Nallamothu BK. Cumulative Exposure to Ionizing Radiation From Diagnostic and Therapeutic Cardiac Imaging Procedures A Population-Based Analysis. Journal Of The American College Of Cardiology 2010, 56: 702-711. PMID: 20619569, PMCID: PMC2952402, DOI: 10.1016/j.jacc.2010.05.014.Peer-Reviewed Original ResearchConceptsCardiac imaging proceduresCumulative effective doseMSv/yearEffective dosesImaging proceduresEffective doseRadiation exposureGeneral populationAnnual population-based ratesCardiac computed tomography (CT) studiesMean cumulative effective dosePopulation-based annual rateCumulative effective dosesMyocardial perfusion imagingComputed tomography studyPopulation-based ratesSubstantial radiation exposureCumulative dosesAdministrative claimsMyocardial perfusionPhysician's officeCumulative exposurePerfusion imagingPatientsTomography study
2009
Exposure to Low-Dose Ionizing Radiation from Medical Imaging Procedures
Fazel R, Krumholz HM, Wang Y, Ross JS, Chen J, Ting HH, Shah ND, Nasir K, Einstein AJ, Nallamothu BK. Exposure to Low-Dose Ionizing Radiation from Medical Imaging Procedures. New England Journal Of Medicine 2009, 361: 849-857. PMID: 19710483, PMCID: PMC3707303, DOI: 10.1056/nejmoa0901249.Peer-Reviewed Original ResearchConceptsCumulative effective dosesCumulative effective doseEffective dosesEffective doseMean cumulative effective doseImaging proceduresLow-dose ionizing radiationPopulation-based ratesMedian effective doseOutpatient settingGeneral populationHigh dosesUtilization dataDosesEnrolleesStudy periodRadiation exposureNuclear imagingDoseAnnual effective dosesMedical imaging proceduresUnited StatesExposureHealth care marketYears