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
1998
Bicuspid 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