2014
Transfer Rates From Nonprocedure Hospitals After Initial Admission and Outcomes Among Elderly Patients With Acute Myocardial Infarction
Barreto-Filho JA, Wang Y, Rathore SS, Spatz ES, Ross JS, Curtis JP, Nallamothu BK, Normand SL, Krumholz HM. Transfer Rates From Nonprocedure Hospitals After Initial Admission and Outcomes Among Elderly Patients With Acute Myocardial Infarction. JAMA Internal Medicine 2014, 174: 213-222. PMID: 24296747, DOI: 10.1001/jamainternmed.2013.11944.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCoronary artery bypass graft surgeryArtery bypass graft surgeryRisk-standardized mortality ratesBypass graft surgeryPercutaneous coronary interventionLength of stayMyocardial infarctionElderly patientsGraft surgeryRevascularization ratesCoronary interventionMortality rateLower risk-standardized mortality ratesRate of catheterizationHospital transfer ratesInvasive cardiac proceduresTransfer of patientsRisk-standardized mortalityHospital outcomesInitial admissionMedian lengthService patientsCardiac proceduresHospital differences
2010
Thirty-Day Outcomes in Medicare Patients With Heart Failure at Heart Transplant Centers
Hummel SL, Pauli NP, Krumholz HM, Wang Y, Chen J, Normand SL, Nallamothu BK. Thirty-Day Outcomes in Medicare Patients With Heart Failure at Heart Transplant Centers. Circulation Heart Failure 2010, 3: 244-252. PMID: 20061519, DOI: 10.1161/circheartfailure.109.884098.Peer-Reviewed Original ResearchConceptsHeart transplant centersRisk-standardized readmission ratesRisk-standardized mortality ratesTransplant centersStandardized mortality ratioHeart failureTransplant hospitalsReadmission ratesMortality rateStandardized readmission ratioMortality ratioMedicare patientsReadmission ratiosMean standardized mortality ratioThirty-day outcomesCoronary artery bypassHeart failure careElderly Medicare patientsElderly Medicare beneficiariesArtery bypassElderly patientsTransplant candidatesMedicare beneficiariesHospitalPatients
2007
Acute Myocardial Infarction and Congestive Heart Failure Outcomes at Specialty Cardiac Hospitals
Nallamothu BK, Wang Y, Cram P, Birkmeyer JD, Ross JS, Normand SL, Krumholz HM. Acute Myocardial Infarction and Congestive Heart Failure Outcomes at Specialty Cardiac Hospitals. Circulation 2007, 116: 2280-2287. PMID: 17967975, DOI: 10.1161/circulationaha.107.709220.Peer-Reviewed Original ResearchConceptsCongestive heart failureRisk-standardized mortality ratesAcute myocardial infarctionStandardized mortality ratioSpecialty cardiac hospitalsCardiac hospitalGeneral HospitalMortality ratioMortality rateMyocardial infarctionCongestive heart failure outcomesHeart failure outcomesOutcomes of patientsProportion of facilitiesHeart failureNoncardiovascular diseasesLow prevalencePatient differencesMedicare dataPatientsHospitalFailure outcomesInfarctionOutcomesType of facility
2006
Relation Between Hospital Specialization With Primary Percutaneous Coronary Intervention and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction
Nallamothu BK, Wang Y, Magid DJ, McNamara RL, Herrin J, Bradley EH, Bates ER, Pollack CV, Krumholz HM. Relation Between Hospital Specialization With Primary Percutaneous Coronary Intervention and Clinical Outcomes in ST-Segment Elevation Myocardial Infarction. Circulation 2006, 113: 222-229. PMID: 16401769, DOI: 10.1161/circulationaha.105.578195.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionHospital mortalityBalloon timePPCI volumeFibrinolytic therapyClinical outcomesMyocardial infarctionPrimary percutaneous coronary intervention capabilityPercutaneous coronary intervention capabilityPrimary percutaneous coronary interventionHierarchical multivariable regressionMyocardial infarction 4Hospital-level factorsPercutaneous coronary interventionHospital specializationSTEMI patientsCoronary interventionHighest quartileShorter doorHospital characteristicsNational registryLowest quartileRelative riskMultivariable regression