2018
Association between physical exercise and mental health in 1·2 million individuals in the USA between 2011 and 2015: a cross-sectional study
Chekroud SR, Gueorguieva R, Zheutlin AB, Paulus M, Krumholz HM, Krystal JH, Chekroud AM. Association between physical exercise and mental health in 1·2 million individuals in the USA between 2011 and 2015: a cross-sectional study. The Lancet Psychiatry 2018, 5: 739-746. PMID: 30099000, DOI: 10.1016/s2215-0366(18)30227-x.Peer-Reviewed Original ResearchConceptsMental health burdenCross-sectional studyHealth burdenExercise typeMental healthPhysical exerciseBehavioral Risk Factor Surveillance System surveyPast monthBody mass index categoriesEffective clinical targetsPrevention's Behavioral Risk Factor Surveillance System (BRFSS) surveysSelf-reported mental healthFrequency of exerciseSelf-reported physical healthFunction of exerciseMultiple sensitivity analysesPoor mental healthTerms of ageCause mortalityPrevious diagnosisPotential confoundersInterventional studyCardiovascular diseaseReduced riskIndex categories
2003
Depressive symptoms are the strongest predictors of short-term declines in health status in patients with heart failure
Rumsfeld JS, Havranek E, Masoudi FA, Peterson ED, Jones P, Tooley JF, Krumholz HM, Spertus JA, Consortium C. Depressive symptoms are the strongest predictors of short-term declines in health status in patients with heart failure. Journal Of The American College Of Cardiology 2003, 42: 1811-1817. PMID: 14642693, DOI: 10.1016/j.jacc.2003.07.013.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireKCCQ summary scoreDepressive symptomsQuality of lifeHealth statusKCCQ scoresHeart failureDepressed patientsSummary scoresMulticenter prospective cohort studyStrongest predictorBaseline KCCQ scoresProspective cohort studySignificant depressive symptomsSpecific health statusTreatment of depressionShort-term worseningPredictors of changeHF careHF symptomsCohort studyPrimary outcomePotential confoundersPatient variablesMultivariable modelGender, age, and heart failure with preserved left ventricular systolic function
Masoudi FA, Havranek EP, Smith G, Fish RH, Steiner JF, Ordin DL, Krumholz HM. Gender, age, and heart failure with preserved left ventricular systolic function. Journal Of The American College Of Cardiology 2003, 41: 217-223. PMID: 12535812, DOI: 10.1016/s0735-1097(02)02696-7.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic functionImpaired left ventricular systolic functionVentricular systolic functionHeart failureSystolic functionFemale genderDiagnosis of HFMedical chart abstractionCoronary artery diseasePrincipal discharge diagnosisAge 65 yearsMultivariable logistic regressionCross-sectional studyPotential confounding variablesRenal insufficiencyChart abstractionClinical characteristicsElderly patientsArtery diseaseEjection fractionPulmonary diseasePatient factorsAtrial fibrillationDischarge diagnosisPotential confounders
2001
Sex Differences in Cardiac Catheterization: The Role of Physician Gender
Rathore SS, Chen J, Wang Y, Radford MJ, Vaccarino V, Krumholz HM. Sex Differences in Cardiac Catheterization: The Role of Physician Gender. JAMA 2001, 286: 2849-2856. PMID: 11735761, DOI: 10.1001/jama.286.22.2849.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCardiac catheterizationMale physiciansFemale physiciansPatient sexPhysician sexCardiac proceduresRetrospective medical record reviewSex differencesUS acute care hospitalsProcedure useCardiac procedure useDay of admissionMedical record reviewCooperative Cardiovascular ProjectAcute care hospitalsCare hospitalMultivariable analysisRecord reviewPotential confoundersMyocardial infarctionPhysician genderCatheterizationMAIN OUTCOMEClinical care
2000
Are β-Blockers Effective in Elderly Patients Who Undergo Coronary Revascularization After Acute Myocardial Infarction?
Chen J, Radford MJ, Wang Y, Marciniak TA, Krumholz HM. Are β-Blockers Effective in Elderly Patients Who Undergo Coronary Revascularization After Acute Myocardial Infarction? JAMA Internal Medicine 2000, 160: 947-952. PMID: 10761959, DOI: 10.1001/archinte.160.7.947.Peer-Reviewed Original ResearchConceptsCoronary artery bypass surgeryPercutaneous transluminal coronary angioplastyBeta-blocker therapyAcute myocardial infarctionNonrevascularized groupCoronary revascularizationElderly patientsMyocardial infarctionNon-revascularized groupArtery bypass surgeryTransluminal coronary angioplastyClinical practice guidelinesCooperative Cardiovascular ProjectRandomized clinical trialsAmerican Heart AssociationBypass surgerySuccessful revascularizationClinical factorsCoronary angioplastyHeart AssociationPotential confoundersClinical trialsPractice guidelinesRevascularizationAmerican College
1999
Beta-blocker therapy for secondary prevention of myocardial infarction in elderly diabetic patients
Chen J, Marciniak T, Radford M, Wang Y, Krumholz H. Beta-blocker therapy for secondary prevention of myocardial infarction in elderly diabetic patients. Journal Of The American College Of Cardiology 1999, 34: 1388-1394. PMID: 10551683, DOI: 10.1016/s0735-1097(99)00383-6.Peer-Reviewed Original ResearchConceptsBeta-blocker therapyElderly diabetic patientsAcute myocardial infarctionInsulin-treated diabeticsOne-year mortalityDiabetic patientsDiabetic complicationsMyocardial infarctionNational Cooperative Cardiovascular ProjectSix-month readmission ratesOne-year mortality rateRetrospective cohort studyRisk of readmissionHospital medical recordsCooperative Cardiovascular ProjectCommunity practice settingsElderly diabeticsCohort studyComplication rateReadmission ratesSecondary preventionClinical factorsHospital readmissionRandomized trialsPotential confounders
1998
National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project
Krumholz HM, Radford MJ, Wang Y, Chen J, Heiat A, Marciniak TA. National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project. JAMA 1998, 280: 623-629. PMID: 9718054, DOI: 10.1001/jama.280.7.623.Peer-Reviewed Original ResearchConceptsBeta-blocker therapyAcute myocardial infarctionDischarge medicationsElderly patientsMyocardial infarctionPrescribed useNational Cooperative Cardiovascular ProjectBeta-blocker prescriptionRetrospective cohort studyVentricular ejection fractionLow-risk populationCalcium channel blockersCooperative Cardiovascular ProjectFamily practice physiciansBetter survival rateEligible patientsCohort studyHospital dischargeOlder patientsSecondary preventionEjection fractionMedical chartsTreatment patternsClinical variablesPotential confounders
1995
Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes.
Krumholz H, Radford M, Ellerbeck E, Hennen J, Meehan T, Petrillo M, Wang Y, Kresowik T, Jencks S. Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes. Circulation 1995, 92: 2841-7. PMID: 7586250, DOI: 10.1161/01.cir.92.10.2841.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUse of aspirinDays of hospitalizationElderly patientsMyocardial infarctionMedicare beneficiariesHospital medical recordsElderly Medicare beneficiariesHigh-risk characteristicsPopulation-based sampleDelivery of careQuality of careAspirin therapyMore comorbiditiesAspirin useChest painAbsolute contraindicationHeart failureThrombolytic therapyPotential confoundersMedical recordsSafe treatmentEffective therapyHigh riskLower odds