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 disease
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
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
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
Total-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 analysis
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