2024
Pre-COVID-19 hospital quality and hospital response to COVID-19: examining associations between risk-adjusted mortality for patients hospitalised with COVID-19 and pre-COVID-19 hospital quality
Peter D, Li S, Wang Y, Zhang J, Grady J, McDowell K, Norton E, Lin Z, Bernheim S, Venkatesh A, Fleisher L, Schreiber M, Suter L, Triche E. Pre-COVID-19 hospital quality and hospital response to COVID-19: examining associations between risk-adjusted mortality for patients hospitalised with COVID-19 and pre-COVID-19 hospital quality. BMJ Open 2024, 14: e077394. PMID: 38553067, PMCID: PMC10982775, DOI: 10.1136/bmjopen-2023-077394.Peer-Reviewed Original ResearchMeSH KeywordsAgedCOVID-19Hospital MortalityHospitalsHumansMedicarePandemicsRetrospective StudiesUnited StatesConceptsHospital qualityPatient experiencePre-COVID-19Medicare patientsShort-term acute care hospitalsCritical access hospitalsAcute care hospitalsFuture public health emergenciesHigher odds of mortalityIn-hospitalRisk-adjusted mortalityOdds of mortalityCare deliveryAccess hospitalsEffective careCOVID-19-related deathsAssociated with mortalityCare structuresHospital characteristicsPublic health emergencySummary scoreMedicare beneficiariesHigher oddsHospital responseRSMRs
2011
Use and Effectiveness of Intra-Aortic Balloon Pumps Among Patients Undergoing High Risk Percutaneous Coronary Intervention
Curtis JP, Rathore SS, Wang Y, Chen J, Nallamothu BK, Krumholz HM. Use and Effectiveness of Intra-Aortic Balloon Pumps Among Patients Undergoing High Risk Percutaneous Coronary Intervention. Circulation Cardiovascular Quality And Outcomes 2011, 5: 21-30. PMID: 22147887, PMCID: PMC3801197, DOI: 10.1161/circoutcomes.110.960385.Peer-Reviewed Original ResearchConceptsHigh-risk percutaneous coronary interventionIntra-aortic balloon pumpPercutaneous coronary interventionHospital quartilesHospital mortalityIABP useCoronary interventionBalloon pumpHospital characteristicsST-segment elevation myocardial infarctionDepressed left ventricular functionHigh-risk PCI patientsSegment elevation myocardial infarctionElevation myocardial infarctionLeft ventricular functionHierarchical logistic regression modelsLogistic regression modelsIABP usageCardiogenic shockPCI patientsCathPCI RegistryHemodynamic supportVentricular functionHospital variationMultivariable analysis
2010
The performance of US hospitals as reflected in risk‐standardized 30‐day mortality and readmission rates for medicare beneficiaries with pneumonia
Lindenauer PK, Bernheim SM, Grady JN, Lin Z, Wang Y, Wang Y, Merrill AR, Han LF, Rapp MT, Drye EE, Normand S, Krumholz HM. The performance of US hospitals as reflected in risk‐standardized 30‐day mortality and readmission rates for medicare beneficiaries with pneumonia. Journal Of Hospital Medicine 2010, 5: e12-e18. PMID: 20665626, DOI: 10.1002/jhm.822.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesReadmission ratesHospital referral regionsReferral regionsMedicare beneficiariesMortality rateRisk-standardized readmission ratesNonfederal acute care hospitalsNational quality improvement effortsPattern of hospitalAcute care hospitalsCross-sectional studyService Medicare beneficiariesQuality improvement effortsMedian hospitalHospital dischargeElderly patientsHospital admissionCare hospitalReadmission analysisOutpatient MedicareLeading causePrincipal diagnosisPneumoniaPatients
2001
The association between white blood cell count and acute myocardial infarction mortality in patients ≥65 years of age: findings from the cooperative cardiovascular project
Barron H, Harr S, Radford M, Wang Y, Krumholz H. The association between white blood cell count and acute myocardial infarction mortality in patients ≥65 years of age: findings from the cooperative cardiovascular project. Journal Of The American College Of Cardiology 2001, 38: 1654-1661. PMID: 11704377, DOI: 10.1016/s0735-1097(01)01613-8.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionWhite blood cell countBlood cell countWBC countWhite blood cellsYears of ageIndependent predictorsCell countDevelopment of AMIAcute myocardial infarction mortalityHospital clinical eventsLong-term mortalityRisk-stratify patientsCoronary artery diseaseCooperative Cardiovascular Project databaseStrong independent predictorCooperative Cardiovascular ProjectMyocardial infarction mortalityImportant clinical implicationsHospital mortalityArtery diseaseHospital eventsClinical eventsHighest quintileLowest quintileBlood Transfusion in Elderly Patients with Acute Myocardial Infarction
Wu W, Rathore S, Wang Y, Radford M, Krumholz H. Blood Transfusion in Elderly Patients with Acute Myocardial Infarction. New England Journal Of Medicine 2001, 345: 1230-1236. PMID: 11680442, DOI: 10.1056/nejmoa010615.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionBlood transfusionMyocardial infarctionElderly patientsHematocrit valuesMortality rateLower short-term mortality rateMedicare beneficiaries 65 yearsShort-term mortality rateUse of transfusionsCoronary artery diseaseBeneficiaries 65 yearsDegree of anemiaLow hematocrit valuesArtery diseaseRetrospective studySubgroup analysisTransfusionPatientsAdmissionInfarctionMortalityHematocritAdverse effectsAnemia