2020
Prognostic Implications of Coronary CT Angiography: 12-Year Follow-Up of 6892 Patients.
Johnson K, Dowe D. Prognostic Implications of Coronary CT Angiography: 12-Year Follow-Up of 6892 Patients. American Journal Of Roentgenology 2020, 215: 818-827. PMID: 32755354, DOI: 10.2214/ajr.19.22578.Peer-Reviewed Original ResearchConceptsCoronary CT angiographyCoronary artery diseasePrescription of statinsArtery diseaseStatin therapyPrognostic value of coronary CT angiographyLong-term prognostic valueKaplan-Meier survival curvesRisk estimatesExtent of coronary atherosclerosisMedian follow-upFramingham modelRisk estimation modelOutcome of deathAll-cause mortalityFramingham risk estimatesBurden of coronary diseaseDeath due to coronary artery diseaseNational Death IndexCox proportional hazardsCT angiographyClinical benefitFollow-upSurvival curvesCoronary diseaseTowards better metainterpretation: improving the clinician’s interpretation of the radiology report
Johnson K. Towards better metainterpretation: improving the clinician’s interpretation of the radiology report. Diagnosis 2020, 8: 304-309. PMID: 32683334, DOI: 10.1515/dx-2020-0081.Peer-Reviewed Original Research
2018
Racial Disparities and Sociodemographic Differences in Incidence and Survival Among Pediatric Patients in the United States With Primary Liver Cancer
Nautsch F, Ludwig J, Xing M, Johnson K, Kim H. Racial Disparities and Sociodemographic Differences in Incidence and Survival Among Pediatric Patients in the United States With Primary Liver Cancer. Journal Of Clinical Gastroenterology 2018, 52: 262-267. PMID: 28617762, DOI: 10.1097/mcg.0000000000000833.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge FactorsBlack or African AmericanCarcinoma, HepatocellularChildChild, PreschoolFemaleHealth Services AccessibilityHealth Status DisparitiesHepatoblastomaHumansIncidenceInfantInfant, NewbornLiver NeoplasmsMaleProportional Hazards ModelsRacial GroupsSEER ProgramSurvival RateTime FactorsUnited StatesWhite PeopleYoung AdultConceptsPrimary liver cancerOverall survivalHepatocellular carcinomaAfrican American childrenPediatric patientsLiver cancerEnd Results cancer registry dataUniversal health care accessAmerican childrenCancer registry dataHealth care accessTreatment-related informationAge of diagnosisFactors affecting outcomePopulation database studyCare accessSociodemographic differencesMedian ageRacial disparitiesRegistry dataPediatric populationHepatoblastomaDecreased survivalPatientsDatabase study
2017
Improving diagnosis in radiology – progress and proposals
Bruno M, Johnson K, Argy N, Graber M. Improving diagnosis in radiology – progress and proposals. Diagnosis 2017, 4: 111-112. PMID: 29536928, DOI: 10.1515/dx-2017-0031.Peer-Reviewed Original Research
2014
Visual presentation of statistical concepts in diagnostic testing: the 2 × 2 diagram.
Johnson K, Johnson B. Visual presentation of statistical concepts in diagnostic testing: the 2 × 2 diagram. American Journal Of Roentgenology 2014, 203: w14-20. PMID: 24951225, DOI: 10.2214/ajr.13.11954.Peer-Reviewed Original Research
2001
Dysprosium‐bearing red cells as potential transverse relaxation agents for MRI
Johnson K, Tao J, Kennan R, Gore J. Dysprosium‐bearing red cells as potential transverse relaxation agents for MRI. Magnetic Resonance In Medicine 2001, 45: 920-923. PMID: 11323820, DOI: 10.1002/mrm.1122.Peer-Reviewed Original Research
2000
Intravascular susceptibility agent effects on tissue transverse relaxation rates in vivo
Johnson K, Tao J, Kennan R, Gore J. Intravascular susceptibility agent effects on tissue transverse relaxation rates in vivo. Magnetic Resonance In Medicine 2000, 44: 909-914. PMID: 11108628, DOI: 10.1002/1522-2594(200012)44:6<909::aid-mrm12>3.0.co;2-u.Peer-Reviewed Original Research
1999
IMAGING OF THORACIC AORTIC DISEASE
Urban B, Bluemke D, Johnson K, Fishman E. IMAGING OF THORACIC AORTIC DISEASE. Cardiology Clinics 1999, 17: 659-682. PMID: 10589338, DOI: 10.1016/s0733-8651(05)70107-7.Peer-Reviewed Original ResearchThe Two by Two Diagram A Graphical Truth Table
Johnson K. The Two by Two Diagram A Graphical Truth Table. Journal Of Clinical Epidemiology 1999, 52: 1073-1082. PMID: 10527001, DOI: 10.1016/s0895-4356(99)00087-6.Peer-Reviewed Original ResearchWavelet packet denoising of magnetic resonance images: Importance of Rician noise at low SNR
Wood J, Johnson K. Wavelet packet denoising of magnetic resonance images: Importance of Rician noise at low SNR. Magnetic Resonance In Medicine 1999, 41: 631-635. PMID: 10204890, DOI: 10.1002/(sici)1522-2594(199903)41:3<631::aid-mrm29>3.0.co;2-q.Peer-Reviewed Original Research
1998
Gadolinium‐bearing red cells as blood pool MRI contrast agents
Johnson K, Tao J, Kennan R, Gore J. Gadolinium‐bearing red cells as blood pool MRI contrast agents. Magnetic Resonance In Medicine 1998, 40: 133-142. PMID: 9660563, DOI: 10.1002/mrm.1910400118.Peer-Reviewed Original ResearchBicuspid noncalcific aortic stenosis: Diagnostic limitations of intraoperative transesophageal echocardiography
Fontes M, Mathew J, Johnson K, Rafferty T. Bicuspid noncalcific aortic stenosis: Diagnostic limitations of intraoperative transesophageal echocardiography. Journal Of Cardiothoracic And Vascular Anesthesia 1998, 12: 58-60. PMID: 9509358, DOI: 10.1016/s1053-0770(98)90056-8.Peer-Reviewed Original Research
1997
Multimodality serial follow-up of thoracic aortic aneurysms
Rizzo J, Darr U, Fischer M, Johnson K, Finkle J, Gusberg R, Kopf G, Abbott T, Shevchenko I, Elefteriades J. Multimodality serial follow-up of thoracic aortic aneurysms. International Journal Of Angiology 1997, 6: 153-156. DOI: 10.1007/bf01616173.Peer-Reviewed Original ResearchThoracic aortaAortic dissectionMale patientsLarge aneurysmsMultivariate risk factor analysisYale-New Haven HospitalThoraco-abdominal aortaThoracic aortic aneurysmThoracic aorta aneurysmRisk factor analysisDiagnostic imaging testsTime of dissectionAortic expansionSurgical interventionAortic aneurysmAorta aneurysmImaging testsTime of rupturePatientsAneurysmsAortaImaging studiesDissectionLong-term survival prospectsLower survivalTotal-body MR imaging in as little as 18 seconds.
Johnson K, Leavitt G, Kayser H. Total-body MR imaging in as little as 18 seconds. Radiology 1997, 202: 262-7. PMID: 8988221, DOI: 10.1148/radiology.202.1.8988221.Peer-Reviewed Original Research
1996
Comparison and reproducibility of visual echocardiographic and quantitative radionyclide left ventricular ejection fractions
van Royen N, Jaffe C, Krumholz H, Johnson K, Lynch P, Natale D, Atkinson P, Demon P, Wackers F. Comparison and reproducibility of visual echocardiographic and quantitative radionyclide left ventricular ejection fractions. The American Journal Of Cardiology 1996, 77: 843-850. PMID: 8623737, DOI: 10.1016/s0002-9149(97)89179-5.Peer-Reviewed Original ResearchConceptsEquilibrium radionuclide angiographyVentricular ejection fractionEjection fractionRadionuclide angiographyEchocardiographic LVEFEquilibrium radionuclideRadionuclide LVEFClinical relevanceLeft ventricular ejection fractionCorrelation of LVEFDetermination of LVEFPatient management decisionsPotential clinical relevanceRelevant differencesInter-observer reproducibilityStable patientsLV functionLimits of agreementLVEFIndividual patientsRepeat assessmentEchocardiographyAngiographyBlinded analysisRepeat analysisThree dimensional cine of human coronary vessels using echoplanar MRI
Johnson K, Kayser H, Guglielmi R, Leavitt G. Three dimensional cine of human coronary vessels using echoplanar MRI. Journal Of The American College Of Cardiology 1996, 27: 315. DOI: 10.1016/s0735-1097(96)82163-2.Peer-Reviewed Original Research
1995
Hemodynamically significant extrinsic left atrial compression by gastric structures in the mediastinum.
Raza S, Mukherjee S, Danias P, Abraham J, Johnson K, Sands M, Werner M, Silverman D. Hemodynamically significant extrinsic left atrial compression by gastric structures in the mediastinum. Annals Of Internal Medicine 1995, 123: 114-6. PMID: 7778823, DOI: 10.7326/0003-4819-123-2-199507150-00006.Peer-Reviewed Original Research
1992
Energy-minimizing deformable grids for tracking tagged MR cardiac images
Amini A, Shi P, Constable R, Johnson K, Duncan J, Gore J. Energy-minimizing deformable grids for tracking tagged MR cardiac images. 1992, 651-654. DOI: 10.1109/cic.1992.269374.Peer-Reviewed Original Research
1988
Hyperinflation of the Lungs in Infants with Large Left-to-Right Shunts
Markowitz R, Johnson K, Weinstein E. Hyperinflation of the Lungs in Infants with Large Left-to-Right Shunts. Investigative Radiology 1988, 23: 354-358. PMID: 3384615, DOI: 10.1097/00004424-198805000-00004.Peer-Reviewed Original ResearchConceptsLeft-to-right shuntDegree of left-to-right shuntingLung volumeAtrioventricular canal defectVentricular septal defectGroup of patientsGroup of normal controlsCanal defectSeptal defectShunt sizeCardiac catheterizationEnlarged vesselsInterstitial edemaIncreased vascularityAbnormal groupHyperinflated lungsNormal controlsDiffuse air trappingRespiratory symptomsAir trappingLungShuntInfantsCatheterizationGroup
1987
Wilms tumor occurring as a botryoid renal pelvicalyceal mass.
Johnson K, Horvath L, Gaisie G, Mesrobian H, Koepke J, Askin F. Wilms tumor occurring as a botryoid renal pelvicalyceal mass. Radiology 1987, 163: 385-6. PMID: 3031726, DOI: 10.1148/radiology.163.2.3031726.Peer-Reviewed Original Research