2020
Unscheduled Care Access in the United States-A Tale of Two Emergency Departments
Venkatesh AK, Greenwood-Ericksen MB, Mei H, Rothenberg C, Lin Z, Krumholz HM. Unscheduled Care Access in the United States-A Tale of Two Emergency Departments. The American Journal Of Emergency Medicine 2020, 45: 374-377. PMID: 33143957, PMCID: PMC8076339, DOI: 10.1016/j.ajem.2020.08.095.Peer-Reviewed Original ResearchConceptsHospital referral regionsED visit ratesEmergency departmentCare ratesVisit ratesMedicare Chronic Conditions WarehouseHospital-based emergency departmentsRole of EDsChronic Conditions WarehouseProportion of beneficiariesDartmouth Atlas hospital referral regionHealthcare delivery systemED utilizationED visitsED useUnscheduled careReferral regionsUrban zip codesCare accessMedicare beneficiariesCare needsCare deliveryOffice settingCare capabilitiesDisproportionate barriers
2017
Urban–Rural Comparisons in Hospital Admission, Treatments, and Outcomes for ST-Segment–Elevation Myocardial Infarction in China From 2001 to 2011
Li X, Murugiah K, Li J, Masoudi FA, Chan PS, Hu S, Spertus JA, Wang Y, Downing NS, Krumholz HM, Jiang L. Urban–Rural Comparisons in Hospital Admission, Treatments, and Outcomes for ST-Segment–Elevation Myocardial Infarction in China From 2001 to 2011. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003905. PMID: 29158421, PMCID: PMC6312853, DOI: 10.1161/circoutcomes.117.003905.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overChinaDisease ManagementFemaleHealthcare DisparitiesHospital MortalityHospitalizationHospitals, RuralHospitals, UrbanHumansMaleMiddle AgedOdds RatioQuality ImprovementRetrospective StudiesRural PopulationST Elevation Myocardial InfarctionSurvival RateTime FactorsUrban PopulationConceptsEvidence-based treatmentsMyocardial infarctionEnzyme inhibitors/angiotensin receptor blockersRural hospitalsST-segment elevation myocardial infarctionUrban-rural disparitiesAngiotensin receptor blockersElevation myocardial infarctionAdjusted odds ratioResource-intensive careRisk-adjusted ratesHospital deathReperfusion therapyReceptor blockersHospital admissionCardiac facilitiesPatient outcomesOdds ratioCare persistUrban hospitalΒ-blockersBetter outcomesRural careHealthcare resourcesST segmentHospital Characteristics Associated With Risk-standardized Readmission Rates
Horwitz LI, Bernheim SM, Ross JS, Herrin J, Grady JN, Krumholz HM, Drye EE, Lin Z. Hospital Characteristics Associated With Risk-standardized Readmission Rates. Medical Care 2017, 55: 528-534. PMID: 28319580, PMCID: PMC5426655, DOI: 10.1097/mlr.0000000000000713.Peer-Reviewed Original Research
2014
Age-specific gender differences in early mortality following ST-segment elevation myocardial infarction in China
Zheng X, Dreyer RP, Hu S, Spatz ES, Masoudi FA, Spertus JA, Nasir K, Li X, Li J, Wang S, Krumholz HM, Jiang L. Age-specific gender differences in early mortality following ST-segment elevation myocardial infarction in China. Heart 2014, 101: 349. PMID: 25510395, PMCID: PMC4453015, DOI: 10.1136/heartjnl-2014-306456.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAge FactorsAgedAged, 80 and overChinaDrug UtilizationFemaleHospital MortalityHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMaleMiddle AgedMyocardial InfarctionMyocardial RevascularizationPercutaneous Coronary InterventionPlatelet Aggregation InhibitorsRetrospective StudiesRural PopulationSex FactorsUrban PopulationConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionGender-age interactionHospital mortalityEarly mortalityMyocardial infarctionChina PEACE-Retrospective AMI StudyHospital mortality rateYears of ageAge-specific gender differencesPatient characteristicsHospital characteristicsMultivariable modelMortality rateGender differencesChinese populationMortalityYounger groupChinese hospitalsWomenAMI studyMenInfarctionAgeRepresentative sampleTrends in Early Aspirin Use Among Patients With Acute Myocardial Infarction in China, 2001–2011: The China PEACE‐Retrospective AMI Study
Gao Y, Masoudi FA, Hu S, Li J, Zhang H, Li X, Desai NR, Krumholz HM, Jiang L, Group T. Trends in Early Aspirin Use Among Patients With Acute Myocardial Infarction in China, 2001–2011: The China PEACE‐Retrospective AMI Study. Journal Of The American Heart Association 2014, 3: e001250. PMID: 25304853, PMCID: PMC4323779, DOI: 10.1161/jaha.114.001250.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAspirinChinaCohort StudiesConfidence IntervalsDose-Response Relationship, DrugDrug Administration ScheduleFemaleHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOdds RatioRetrospective StudiesRisk AssessmentRural PopulationSecondary PreventionSex FactorsSurvival AnalysisSurvival RateUrban PopulationConceptsAcute myocardial infarctionMyocardial infarctionAspirin useEarly treatmentSegment elevation acute myocardial infarctionElevation acute myocardial infarctionEarly useChina PEACE-Retrospective AMI StudyEarly aspirin therapyEarly aspirin useLimited healthcare resourcesAspirin therapyCardiogenic shockChest discomfortReperfusion therapyRate of useChina PatientRetrospective studyPatient groupFinal diagnosisHealthcare resourcesInfarctionPatientsAspirinAMI study
2000
Long-term Outcome of Myocardial Infarction in Women and Men: A Population Perspective
Vaccarino V, Berkman LF, Krumholz HM. Long-term Outcome of Myocardial Infarction in Women and Men: A Population Perspective. American Journal Of Epidemiology 2000, 152: 965-973. PMID: 11092438, DOI: 10.1093/aje/152.10.965.Peer-Reviewed Original ResearchConceptsMyocardial infarctionSurvival advantageImpact of MIMultivariable-adjusted hazard ratiosWomen's survival advantageLong-term mortalityLong-term outcomesPresence of MIAbsence of MISurvival of personsProportional hazards modelPopulation perspectiveTime-dependent covariablesFatal infarctionHazard ratioSame followElderly cohortMI hospitalizationMI casesHazards modelGreater riskInfarctionWomenMenSurvival