2021
Association of Cardiac Care Regionalization With Access, Treatment, and Mortality Among Patients With ST-Segment Elevation Myocardial Infarction
Shen YC, Krumholz H, Hsia RY. Association of Cardiac Care Regionalization With Access, Treatment, and Mortality Among Patients With ST-Segment Elevation Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2021, 14: e007195. PMID: 33641339, PMCID: PMC7969448, DOI: 10.1161/circoutcomes.120.007195.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionST-segment elevation myocardial infarction (STEMI) systemsSame-day percutaneous coronary interventionST-segment elevation myocardial infarctionSTEMI regionalizationLong-term mortalityOutcomes of patientsElevation myocardial infarctionPCI-capable hospitalsEmergency medical services agenciesMyocardial infarction systemLocal emergency medical services agenciesPoints greater reductionPercentage point decreasePCI capabilityCoronary interventionMyocardial infarctionAdministrative databasesPatientsSTEMIPoint decreaseMortalityTimely accessReadmissionGreater reduction
2011
30-Day Readmission for Patients Undergoing Percutaneous Coronary Interventions in New York State
Hannan EL, Zhong Y, Krumholz H, Walford G, Holmes DR, Stamato NJ, Jacobs AK, Venditti FJ, Sharma S, King SB. 30-Day Readmission for Patients Undergoing Percutaneous Coronary Interventions in New York State. JACC Cardiovascular Interventions 2011, 4: 1335-1342. PMID: 22192374, DOI: 10.1016/j.jcin.2011.08.013.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionReadmission ratesUnique risk factorsRisk factorsCoronary interventionAdministrative databasesComplications of PCIPre-procedural risk factorsRepeat percutaneous coronary interventionChronic ischemic heart diseaseOverall readmission rateHigher readmission ratesIschemic heart diseaseLength of stayNew York State patientsRecognition of patientsDiagnostic risk factorsCost-effectiveness standpointPCI patientsPCI registryChest painHeart failureHospital readmissionHeart diseasePrincipal diagnosis
2001
Predictors of costs of caring for elderly patients discharged with heart failure
Wexler D, Chen J, Smith G, Radford M, Yaari S, Bradford W, Krumholz H. Predictors of costs of caring for elderly patients discharged with heart failure. American Heart Journal 2001, 142: 350-357. PMID: 11479477, DOI: 10.1067/mhj.2001.116476.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overConnecticutFemaleHealth Services for the AgedHeart FailureHospital CostsHumansLength of StayMaleMedical RecordsMedicareModels, EconomicOutcome Assessment, Health CarePatient DischargePatient ReadmissionPredictive Value of TestsRetrospective StudiesRisk AssessmentRisk FactorsConceptsHeart failureIndependent correlatesHeart failure-related admissionsHeart failure-related readmissionsSubstantial hospital costsHeart failure admissionsHistory of strokeSubset of patientsPrincipal discharge diagnosisSignificant independent correlatesOutcomes 6 monthsPredictors of costsMedicare administrative databasesCause readmissionClinical characteristicsElderly patientsAverage admissionDischarge diagnosisKidney failureCause costsCorrelates of costsMedical recordsRisk factorsAdministrative databasesConnecticut hospitalsAngiotensin-converting enzyme inhibitor dosages in elderly patients with heart failure
Chen Y, Wang Y, Radford M, Krumholz H. Angiotensin-converting enzyme inhibitor dosages in elderly patients with heart failure. American Heart Journal 2001, 141: 410-417. PMID: 11231438, DOI: 10.1067/mhj.2001.113227.Peer-Reviewed Original ResearchConceptsACE inhibitorsHeart failureClinical trialsSystolic dysfunctionElderly patientsLow dosesConfirmed heart failureDosage of angiotensinRepresentative elderly cohortDose-response relationshipHospital dischargeClinical factorsGuideline recommendationsElderly cohortMedication dataMedical recordsAdministrative databasesConnecticut hospitalsPractice guidelinesEnzyme inhibitorsPatientsLower mortalityHigh dosesDosesMortality
2000
Predictors of readmission among elderly survivors of admission with heart failure
Krumholz H, Chen Y, Wang Y, Vaccarino V, Radford M, Horwitz R. Predictors of readmission among elderly survivors of admission with heart failure. American Heart Journal 2000, 139: 72-77. PMID: 10618565, DOI: 10.1016/s0002-8703(00)90311-9.Peer-Reviewed Original ResearchConceptsHigh-risk patientsHeart failureRisk predictorsCause readmissionClinical factorsValidation cohortHeart failure-related readmissionsPrior heart failurePatients 65 yearsPredictors of readmissionRisk of readmissionMedical record reviewGroup of patientsPrincipal discharge diagnosisResource-intensive interventionsMedicare administrative databasesCreatinine levelsElderly patientsPrior admissionReadmission ratesDerivation cohortRecord reviewDischarge diagnosisAdministrative databasesConnecticut hospitals