2020
Hypertrophic Cardiomyopathy with Left Ventricular Systolic Dysfunction: Insights from the SHaRe Registry
Marstrand P, Han L, Day SM, Olivotto I, Ashley EA, Michels M, Pereira AC, Wittekind SG, Helms A, Saberi S, Jacoby D, Ware JS, Colan SD, Semsarian C, Ingles J, Lakdawala NK, Ho CY. Hypertrophic Cardiomyopathy with Left Ventricular Systolic Dysfunction: Insights from the SHaRe Registry. Circulation 2020, 141: 1371-1383. PMID: 32228044, PMCID: PMC7182243, DOI: 10.1161/circulationaha.119.044366.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic dysfunctionVentricular ejection fractionComposite outcomeHypertrophic cardiomyopathyNatural historyEjection fractionLeft ventricular cavity sizeVentricular systolic dysfunctionPredictor of prognosisVentricular cavity sizeProportional hazards modelSignificant predictorsSystolic dysfunctionMedian timeAtrial fibrillationSpecialty centersSarcomeric variantsHazards modelIncident developmentPatientsEnd stageRelative rarityPrognosisOutcomesPredictors
2019
Machine Learning Prediction of Mortality and Hospitalization in Heart Failure With Preserved Ejection Fraction
Angraal S, Mortazavi BJ, Gupta A, Khera R, Ahmad T, Desai NR, Jacoby DL, Masoudi FA, Spertus JA, Krumholz HM. Machine Learning Prediction of Mortality and Hospitalization in Heart Failure With Preserved Ejection Fraction. JACC Heart Failure 2019, 8: 12-21. PMID: 31606361, DOI: 10.1016/j.jchf.2019.06.013.Peer-Reviewed Original ResearchConceptsHF hospitalizationRisk of mortalityEjection fractionBlood urea nitrogen levelsLogistic regressionPrevious HF hospitalizationHeart failure hospitalizationReduced ejection fractionReceiver-operating characteristic curveRisk of deathBody mass indexBlood urea nitrogenUrea nitrogen levelsHealth status dataMean c-statisticKCCQ scoresTOPCAT trialFailure hospitalizationHeart failureHemoglobin levelsMass indexC-statisticHospitalizationUrea nitrogenMortality