2019
Association Between Warfarin Control Metrics and Atrial Fibrillation Outcomes in the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation
Pokorney SD, Holmes DN, Thomas L, Fonarow GC, Kowey PR, Reiffel JA, Singer DE, Freeman JV, Gersh BJ, Mahaffey KW, Hylek EM, Naccarelli GV, Ezekowitz MD, Piccini JP, Peterson ED. Association Between Warfarin Control Metrics and Atrial Fibrillation Outcomes in the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation. JAMA Cardiology 2019, 4: 756-764. PMID: 31268487, PMCID: PMC6613340, DOI: 10.1001/jamacardio.2019.1960.Peer-Reviewed Original ResearchConceptsInternational normalized ratioBetter Informed TreatmentAtrial fibrillationTherapeutic rangeWarfarin controlThrombotic eventsINR valuesStroke riskClinical factorsOutcomes RegistrySubsequent bleedingInformed TreatmentMaximum international normalized ratioRecent international normalized ratioINR measuresNet reclassification improvement indexAtrial fibrillation outcomesAtrial Fibrillation RegistrySubsequent stroke riskMulticenter cohort studyClinical risk modelTraditional clinical factorsLogistic regression modelsINR controlMajor bleeds
2007
Novel predictor of prognosis from exercise stress testing: Heart rate variability response to the exercise treadmill test
Dewey FE, Freeman JV, Engel G, Oviedo R, Abrol N, Ahmed N, Myers J, Froelicher VF. Novel predictor of prognosis from exercise stress testing: Heart rate variability response to the exercise treadmill test. American Heart Journal 2007, 153: 281-288. PMID: 17239690, DOI: 10.1016/j.ahj.2006.11.001.Peer-Reviewed Original ResearchConceptsHeart rate variabilitySquare successive differenceCardiovascular mortalityPrognostic powerHF powerExercise treadmill testingRoot mean square successive differenceFrequency-domain HRV analysisExercise stress testingExercise treadmill testMortality end pointsSuccessive differencesStandard exercise testingHeart rate variability responsesMinutes of recoveryStrongest predictorLow-frequency powerMean square successive differenceHigh-frequency powerR interval dataCardiovascular deathCause mortalityPeak exerciseClinical factorsExercise testing