2017
Race and Sex Differences in QRS Interval and Associated Outcome Among Patients with Left Ventricular Systolic Dysfunction
Randolph TC, Broderick S, Shaw LK, Chiswell K, Mentz RJ, Kutyifa V, Velazquez EJ, Gilliam FR, Thomas KL. Race and Sex Differences in QRS Interval and Associated Outcome Among Patients with Left Ventricular Systolic Dysfunction. Journal Of The American Heart Association 2017, 6: e004381. PMID: 28320746, PMCID: PMC5523998, DOI: 10.1161/jaha.116.004381.Peer-Reviewed Original ResearchConceptsQRS durationBundle branch blockWhite patientsHeart failureBlack patientsBranch blockNon-left bundle branch block morphologyLeft ventricular systolic dysfunctionMultivariable Cox regression modelsBundle branch block morphologyLeft bundle branch blockMedian QRS durationVentricular systolic dysfunctionHeart failure patientsVentricular ejection fractionShorter QRS durationCox regression modelRisk of mortalityDuke University HospitalBlack individualsSex differencesCause mortalitySystolic dysfunctionCoronary angiographyEjection fraction
2014
Sex Differences in Platelet Reactivity and Cardiovascular and Psychological Response to Mental Stress in Patients With Stable Ischemic Heart Disease Insights From the REMIT Study
Samad Z, Boyle S, Ersboll M, Vora AN, Zhang Y, Becker RC, Williams R, Kuhn C, Ortel TL, Rogers JG, O’Connor C, Velazquez EJ, Jiang W, Investigators R. Sex Differences in Platelet Reactivity and Cardiovascular and Psychological Response to Mental Stress in Patients With Stable Ischemic Heart Disease Insights From the REMIT Study. Journal Of The American College Of Cardiology 2014, 64: 1669-1678. PMID: 25323254, PMCID: PMC4752118, DOI: 10.1016/j.jacc.2014.04.087.Peer-Reviewed Original ResearchConceptsMental stress-induced myocardial ischemiaIschemic heart diseaseStable ischemic heart diseaseLeft ventricular ejection fractionPlatelet aggregation responseMental stress taskMental stressTransthoracic echocardiographyPlatelet reactivityStress-induced myocardial ischemiaIschemic ST-segment changesRegional wall motion abnormalitiesAggregation responseStress taskMost baseline characteristicsVentricular ejection fractionHigher baseline depressionLong-term outcomesST-segment changesWall motion abnormalitiesPlatelet aggregation studiesSex differencesBaseline characteristicsBlood pressureEjection fraction