2018
B-type natriuretic peptide, disease progression and clinical outcomes in atrial fibrillation
Inohara T, Kim S, Pieper K, Blanco RG, Allen LA, Fonarow GC, Gersh BJ, Ezekowitz MD, Kowey PR, Reiffel JA, Naccarelli GV, Chan PS, Mahaffey KW, Singer DE, Freeman JV, Steinberg BA, Peterson ED, Piccini JP. B-type natriuretic peptide, disease progression and clinical outcomes in atrial fibrillation. Heart 2018, 105: 370. PMID: 30228248, DOI: 10.1136/heartjnl-2018-313642.Peer-Reviewed Original ResearchConceptsB-type natriuretic peptideAtrial fibrillationAF progressionBNP levelsMajor bleedingBNP valuesNatriuretic peptideDisease progressionAtrial Fibrillation II registryBiomarker-based risk stratificationElevated BNP valuesBetter Informed TreatmentPersistent atrial fibrillationCox frailty modelCardiovascular outcomesComposite outcomeBNP concentrationsNeurological eventsClinical outcomesOutcomes RegistryRisk stratificationPatient outcomesInformed TreatmentPatientsBleeding
2015
Association Between Atrial Fibrillation Symptoms, Quality of Life, and Patient Outcomes
Freeman JV, Simon DN, Go AS, Spertus J, Fonarow GC, Gersh BJ, Hylek EM, Kowey PR, Mahaffey KW, Thomas LE, Chang P, Peterson ED, Piccini JP. Association Between Atrial Fibrillation Symptoms, Quality of Life, and Patient Outcomes. Circulation Cardiovascular Quality And Outcomes 2015, 8: 393-402. PMID: 26058720, DOI: 10.1161/circoutcomes.114.001303.Peer-Reviewed Original ResearchConceptsQuality of lifeAtrial fibrillationHigh riskAF patientsAF symptomsPatient outcomesSymptom severityAtrial Fibrillation EffectBorderline higher riskMajor adverse eventsBetter Informed TreatmentAtrial fibrillation symptomsCommunity-based studyAFEQT scoreEHRA classMajor bleedingMost patientsSymptom burdenAdverse eventsOutcomes RegistryCox regressionLife QuestionnaireFibrillation EffectInformed TreatmentPatients
2009
Should the exercise ECG be used to screen for sudden cardiac death?
Freeman J, Ashley EA, Froelicher V. Should the exercise ECG be used to screen for sudden cardiac death? European Heart Journal 2009, 30: 528-529. PMID: 19201762, DOI: 10.1093/eurheartj/ehp029.Peer-Reviewed Original Research
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