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
2009
Racial and Gender Trends in the Use of Implantable Cardioverter‐Defibrillators Among Medicare Beneficiaries Between 1997 and 2003
Chan PS, Birkmeyer JD, Krumholz HM, Spertus JA, Nallamothu BK. Racial and Gender Trends in the Use of Implantable Cardioverter‐Defibrillators Among Medicare Beneficiaries Between 1997 and 2003. Congestive Heart Failure 2009, 15: 51-57. PMID: 19379450, PMCID: PMC2921372, DOI: 10.1111/j.1751-7133.2009.00060.x.Peer-Reviewed Original Research
2007
Opening of Specialty Cardiac Hospitals and Use of Coronary Revascularization in Medicare Beneficiaries
Nallamothu BK, Rogers MA, Chernew ME, Krumholz HM, Eagle KA, Birkmeyer JD. Opening of Specialty Cardiac Hospitals and Use of Coronary Revascularization in Medicare Beneficiaries. JAMA 2007, 297: 962-968. PMID: 17341710, DOI: 10.1001/jama.297.9.962.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, Balloon, CoronaryCardiac Care FacilitiesCardiology Service, HospitalCatchment Area, HealthCoronary Artery BypassHealth Care SurveysHealth Services Needs and DemandHospitals, GeneralHumansLinear ModelsMedicareMyocardial RevascularizationPractice Patterns, Physicians'Program DevelopmentReimbursement, IncentiveUnited StatesUtilization ReviewConceptsHospital referral regionsPopulation-based ratesSpecialty cardiac hospitalsCardiac hospitalTotal revascularizationCoronary revascularizationGeneral HospitalMedicare beneficiariesCardiac programAnnual population-based ratesAcute myocardial infarctionCost-efficient careMyocardial infarctionAdjusted ratesRevascularizationReferral regionsProcedure utilizationHospitalCABGPCIPatientsLinear regression modelsRegression modelsRelative increaseHealth care market
2005
Relationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction
Magid DJ, Wang Y, Herrin J, McNamara RL, Bradley EH, Curtis JP, Pollack CV, French WJ, Blaney ME, Krumholz HM. Relationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction. JAMA 2005, 294: 803-812. PMID: 16106005, DOI: 10.1001/jama.294.7.803.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfter-Hours CareAgedAged, 80 and overAngioplasty, Balloon, CoronaryBenchmarkingChronology as TopicFemaleHospital MortalityHospitalsHumansMaleMiddle AgedMyocardial InfarctionMyocardial ReperfusionRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsUnited StatesUtilization ReviewConceptsST-segment elevation myocardial infarctionPercutaneous coronary interventionElevation myocardial infarctionBalloon timeFibrinolytic therapyHospital mortalityMyocardial infarctionAcute ST-segment elevation myocardial infarctionDrug timeRegular hoursTimeliness of reperfusionIn-Hospital MortalityDay of weekPCI patientsReperfusion therapyCohort studyCoronary interventionMean doorHospital characteristicsCatheterization laboratoryBetter outcomesPatientsHospital subgroupsTherapyPatient arrival
1998
Trends in costs of percutaneous transluminal coronary angioplasty.
Heiat A, Mattera JA, Henry GA, Chen YT, Krumholz HM. Trends in costs of percutaneous transluminal coronary angioplasty. The American Journal Of Managed Care 1998, 4: 1667-74. PMID: 10339099.Peer-Reviewed Original ResearchConceptsPercutaneous transluminal coronary angioplastyTransluminal coronary angioplastyCoronary angioplastyClinical outcomesElective percutaneous transluminal coronary angioplastyYale-New Haven HospitalCatheterization laboratory costsMedical chart reviewGroup of patientsTotal hospital costsLength of stayHospital cost accounting systemChart reviewClinical characteristicsConsecutive patientsAngiographic featuresHospital recordsContrast volumeRetrospective studyPatient populationHospital costsLesion characteristicsStent useCatheterization laboratoryPatient profiles