2016
The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design
Rao C, Bongiovanni T, Li X, Gao H, Zhang H, Li J, Zhao Y, Yuan X, Hua K, Hu S, Krumholz HM, Jiang L, Zheng Z. The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design. BMJ Open 2016, 6: e009743. PMID: 26880670, PMCID: PMC4762131, DOI: 10.1136/bmjopen-2015-009743.Peer-Reviewed Original ResearchConceptsComplex coronary artery diseaseCoronary artery diseaseArtery diseaseLarge cardiovascular centresCardiac eventsProspective studyCardiovascular CenterTreatment strategiesCoronary revascularisation proceduresSYNTAX score calculationThree-vessel diseaseElective coronary angiographyMedical record abstractionPatient-reported outcomesAppropriateness of treatmentQuality improvement initiativesQuality of lifeEligible patientsRevascularisation proceduresAdverse eventsGuideline adherenceHospital factorsProspective cohortSecondary preventionCoronary angiography
2014
Hospital variation in risk-standardized hospital admission rates from US EDs among adults
Capp R, Ross JS, Fox JP, Wang Y, Desai MM, Venkatesh AK, Krumholz HM. Hospital variation in risk-standardized hospital admission rates from US EDs among adults. The American Journal Of Emergency Medicine 2014, 32: 837-843. PMID: 24881514, DOI: 10.1016/j.ajem.2014.03.033.Peer-Reviewed Original ResearchConceptsHospital admission ratesEmergency departmentAdmission ratesClinical characteristicsED visitsHospital factorsClinical factorsAdult ED visitsUS emergency departmentsHospital teaching statusCross-sectional analysisPatient characteristicsHospital admissionHospital variationPatientsTeaching statusHospitalED dataVisitsRepresentative sampleAdultsRural locationsAdmissionFactorsNational variationsHospital Variation in Intravenous Inotrope Use for Patients Hospitalized With Heart Failure
Allen LA, Fonarow GC, Grau-Sepulveda MV, Hernandez AF, Peterson PN, Partovian C, Li SX, Heidenreich PA, Bhatt DL, Peterson ED, Krumholz HM. Hospital Variation in Intravenous Inotrope Use for Patients Hospitalized With Heart Failure. Circulation Heart Failure 2014, 7: 251-260. PMID: 24488983, PMCID: PMC5459367, DOI: 10.1161/circheartfailure.113.000761.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiotonic AgentsCross-Sectional StudiesDose-Response Relationship, DrugFemaleFollow-Up StudiesGuideline AdherenceHeart FailureHospital MortalityHospitalsHumansInfusions, IntravenousInpatientsLength of StayMaleOutcome Assessment, Health CarePractice Patterns, Physicians'RegistriesRetrospective StudiesSurvival RateUnited StatesConceptsInotrope useHeart failureInotropic therapyInotropic agentsGuidelines-Heart Failure registryIntravenous inotropic agentsIntravenous inotropic therapyRisk-standardized ratesUse of inotropesHeart failure hospitalizationHospital-level ratesRandom hospital effectsFailure hospitalizationClinical characteristicsHospital factorsInpatient mortalityClinical factorsClinical outcomesHospital variationHospital characteristicsHospital effectsPatientsUS hospitalsHospitalStudy period
2009
Hospital Variation in Time to Defibrillation After In-Hospital Cardiac Arrest
Chan PS, Nichol G, Krumholz HM, Spertus JA, Nallamothu BK. Hospital Variation in Time to Defibrillation After In-Hospital Cardiac Arrest. JAMA Internal Medicine 2009, 169: 1265-1273. PMID: 19636027, DOI: 10.1001/archinternmed.2009.196.Peer-Reviewed Original ResearchConceptsCardiac arrestHospital factorsHospital variationIn-Hospital Cardiac ArrestHospital-level effectsHospital cardiac arrestWorse survivalImproved survivalPatient factorsAdult inpatientsHospital predictorsNational registryHospital ratesCardiopulmonary resuscitationGreater oddsIdentical covariatesDefibrillation delaysHospitalDefibrillationDefibrillation timeSurvivalArrestWide variationPatientsInpatientsFactors associated with racial differences in myocardial infarction outcomes.
Spertus JA, Jones PG, Masoudi FA, Rumsfeld JS, Krumholz HM. Factors associated with racial differences in myocardial infarction outcomes. Annals Of Internal Medicine 2009, 150: 314-24. PMID: 19258559, PMCID: PMC3387537, DOI: 10.7326/0003-4819-150-5-200903030-00007.Peer-Reviewed Original ResearchConceptsQuality of lifeMyocardial infarction outcomesSite of careBlack patientsMyocardial infarctionRacial differencesPost-myocardial infarction outcomesBaseline cardiac riskHigher unadjusted mortalityProspective cohort studySeattle Angina QuestionnaireAngina QuestionnaireCardiovascular outcomesCause mortalityRehospitalization ratesUnadjusted mortalityCohort studyHospital factorsPatient characteristicsWhite patientsCardiac dysfunctionCardiac riskPatient factorsPatient's symptomsNational Heart
2004
National Patterns of Use and Effectiveness of Angiotensin-Converting Enzyme Inhibitors in Older Patients With Heart Failure and Left Ventricular Systolic Dysfunction
Masoudi FA, Rathore SS, Wang Y, Havranek EP, Curtis JP, Foody JM, Krumholz HM. National Patterns of Use and Effectiveness of Angiotensin-Converting Enzyme Inhibitors in Older Patients With Heart Failure and Left Ventricular Systolic Dysfunction. Circulation 2004, 110: 724-731. PMID: 15289383, DOI: 10.1161/01.cir.0000138934.28340.ed.Peer-Reviewed Original ResearchConceptsACE inhibitor prescriptionAngiotensin receptor blockersVentricular systolic dysfunctionHeart failureACE inhibitorsInhibitor prescriptionSystolic dysfunctionOlder patientsLeft ventricular systolic dysfunctionAngiotensin converting enzyme (ACE) inhibitorsSerum creatinine levelsACE inhibitor useCreatinine levelsHospital factorsInhibitor useReceptor blockersSerum creatininePatient genderClinical trialsTherapeutic substitutionLower riskEnzyme inhibitorsLower mortalityPatientsSecondary analysisPredictors of cardiologist care for older patients hospitalized for heart failure
Foody JM, Rathore SS, Wang Y, Herrin J, Masoudi FA, Havranek EP, Radford MJ, Krumholz HM. Predictors of cardiologist care for older patients hospitalized for heart failure. American Heart Journal 2004, 147: 66-73. PMID: 14691421, DOI: 10.1016/j.ahj.2003.07.005.Peer-Reviewed Original ResearchConceptsHeart failureSpecialty careOlder patientsMultivariable hierarchical logistic regression modelsCoronary Artery Bypass GraftingChronic obstructive pulmonary diseasePercutaneous transluminal coronary angioplastyArtery Bypass GraftingHeart failure careObstructive pulmonary diseaseTransluminal coronary angioplastyHierarchical logistic regression modelsLogistic regression modelsCardiologist careBypass GraftingHospital factorsPatient characteristicsCardiology consultCoronary angioplastyCoronary diseasePulmonary diseaseClinical presentationCardiology carePatient raceMedicare patients