2023
Trends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities
Wang C, Lindquist K, Krumholz H, Hsia R. Trends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities. PLOS ONE 2023, 18: e0279905. PMID: 36652416, PMCID: PMC9847957, DOI: 10.1371/journal.pone.0279905.Peer-Reviewed Original ResearchConceptsLow-volume hospitalsNon-Latinx WhitesRelative riskSociodemographic groupsLow-income zip codesHospital PCI volumeRetrospective cohort studyPercutaneous coronary interventionCoronary artery diseaseLow-volume centersFavorable patient outcomesLow-volume facilitiesZip code median incomeLow incomeRace/ethnicityCohort studyCoronary interventionLatinx patientsSecondary outcomesArtery diseasePCI centerPrimary outcomePCI volumeAsian patientsCertain socioeconomic factors
2022
Catheter-Directed Thrombolysis vs Anticoagulation in Patients With Acute Intermediate-High–risk Pulmonary Embolism
Sadeghipour P, Jenab Y, Moosavi J, Hosseini K, Mohebbi B, Hosseinsabet A, Chatterjee S, Pouraliakbar H, Shirani S, Shishehbor MH, Alizadehasl A, Farrashi M, Rezvani MA, Rafiee F, Jalali A, Rashedi S, Shafe O, Giri J, Monreal M, Jimenez D, Lang I, Maleki M, Goldhaber SZ, Krumholz HM, Piazza G, Bikdeli B. Catheter-Directed Thrombolysis vs Anticoagulation in Patients With Acute Intermediate-High–risk Pulmonary Embolism. JAMA Cardiology 2022, 7: 1189-1197. PMID: 36260302, PMCID: PMC9582964, DOI: 10.1001/jamacardio.2022.3591.Peer-Reviewed Original ResearchConceptsConventional catheter-directed thrombolysisRV/LV ratioRisk pulmonary embolismCatheter-directed thrombolysisProportion of patientsPulmonary embolismLV ratioMajor bleedingPrimary outcomeRight ventricleClinical trialsIntermediate-high risk pulmonary embolismDefinitive clinical outcome trialsMain safety outcomeMajor gastrointestinal bleedingRV/LVClinical events committeeClinical outcome trialsLarge cardiovascular centresCause mortalityEfficacy outcomesGastrointestinal bleedingMonotherapy groupOutcome trialsSecondary outcomesPercutaneous Left Atrial Appendage Occlusion in Comparison to Non‐Vitamin K Antagonist Oral Anticoagulant Among Patients With Atrial Fibrillation
Noseworthy PA, Van Houten HK, Krumholz HM, Kent DM, Abraham NS, Graff‐Radford J, Alkhouli M, Henk HJ, Shah ND, Gersh BJ, Friedman PA, Holmes DR, Yao X. Percutaneous Left Atrial Appendage Occlusion in Comparison to Non‐Vitamin K Antagonist Oral Anticoagulant Among Patients With Atrial Fibrillation. Journal Of The American Heart Association 2022, 11: e027001. PMID: 36172961, PMCID: PMC9673739, DOI: 10.1161/jaha.121.027001.Peer-Reviewed Original ResearchConceptsComposite end pointAtrial appendage occlusionOral anticoagulantsAtrial fibrillationLower riskMajor bleedingSystemic embolismIntracranial bleedingAppendage occlusionNon-Vitamin K Antagonist Oral AnticoagulantsIschemic stroke/systemic embolismK Antagonist Oral AnticoagulantsPrimary composite end pointPropensity score overlap weightingStroke/systemic embolismEnd pointHigh bleeding riskSignificant differencesAntithrombotic regimensBleeding riskCause mortalityBaseline characteristicsComposite outcomeIschemic strokeSecondary outcomes
2021
The association of neighborhood walkability with health outcomes in older adults after acute myocardial infarction: The SILVER-AMI study
Roy B, Hajduk AM, Tsang S, Geda M, Riley C, Krumholz HM, Chaudhry SI. The association of neighborhood walkability with health outcomes in older adults after acute myocardial infarction: The SILVER-AMI study. Preventive Medicine Reports 2021, 23: 101391. PMID: 34040930, PMCID: PMC8141908, DOI: 10.1016/j.pmedr.2021.101391.Peer-Reviewed Original ResearchAcute myocardial infarctionSILVER-AMI StudyPhysical activityMental healthMyocardial infarctionNeighborhood walkabilityOlder adultsHealth outcomesSocial supportCommunity-Living AdultsSecondary outcomesCoronary diseasePrimary outcomeSF-12Longitudinal cohortPhysical therapyAdjusted modelSurvival timeBetter outcomesGreater walkabilitySurvival analysisMobility limitationsPhysical healthOutcomesAdults
2020
Association of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention
You SC, Rho Y, Bikdeli B, Kim J, Siapos A, Weaver J, Londhe A, Cho J, Park J, Schuemie M, Suchard MA, Madigan D, Hripcsak G, Gupta A, Reich CG, Ryan PB, Park RW, Krumholz HM. Association of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention. JAMA 2020, 324: 1640-1650. PMID: 33107944, PMCID: PMC7592033, DOI: 10.1001/jama.2020.16167.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAdultAgedAged, 80 and overAlgorithmsAspirinCase-Control StudiesCause of DeathClopidogrelDatabases, FactualDyspneaFemaleHemorrhageHumansIschemiaMaleMiddle AgedMyocardial InfarctionNetwork Meta-AnalysisPercutaneous Coronary InterventionPropensity ScorePurinergic P2Y Receptor AntagonistsRecurrenceRepublic of KoreaRetrospective StudiesStrokeTicagrelorUnited StatesConceptsNet adverse clinical eventsAcute coronary syndromePercutaneous coronary interventionAdverse clinical eventsHemorrhagic eventsIschemic eventsHazard ratioCause mortalityCoronary syndromeCoronary interventionClinical eventsRisk of NACEClinical practiceLarge randomized clinical trialsPrimary end pointRetrospective cohort studyPropensity-matched pairsSummary hazard ratioRandomized clinical trialsRoutine clinical practiceSignificant differencesP2Y12 platelet inhibitorsTicagrelor groupCohort studySecondary outcomesReadmission and Mortality After Hospitalization for Myocardial Infarction and Heart Failure
Ko DT, Khera R, Lau G, Qiu F, Wang Y, Austin PC, Koh M, Lin Z, Lee DS, Wijeysundera HC, Krumholz HM. Readmission and Mortality After Hospitalization for Myocardial Infarction and Heart Failure. Journal Of The American College Of Cardiology 2020, 75: 736-746. PMID: 32081282, DOI: 10.1016/j.jacc.2019.12.026.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPost-discharge mortalityHospital mortalityReadmission ratesHospitalization ratesMyocardial infarctionMortality rateRisk-adjusted mortality ratesHospital Readmissions Reduction ProgramHF hospitalization ratesHeart failure hospitalizationPatients 65 yearsReadmissions Reduction ProgramFailure hospitalizationHF patientsSecondary outcomesHospital readmissionPrimary outcomeReadmissionMortalityAMI hospitalization ratesStudy periodPattern of outcomesHospitalizationOutcomes
2019
The relationship between off-hours admissions for primary percutaneous coronary intervention, door-to-balloon time and mortality for patients with ST-elevation myocardial infarction in England: a registry-based prospective national cohort study
Jayawardana S, Salas-Vega S, Cornehl F, Krumholz HM, Mossialos E. The relationship between off-hours admissions for primary percutaneous coronary intervention, door-to-balloon time and mortality for patients with ST-elevation myocardial infarction in England: a registry-based prospective national cohort study. BMJ Quality & Safety 2019, 29: 541-549. PMID: 31831635, PMCID: PMC7362773, DOI: 10.1136/bmjqs-2019-010067.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionOff-hours admissionPercutaneous coronary interventionDTB timeCoronary interventionBalloon timeST-elevation myocardial infarction (STEMI) patientsElevation myocardial infarction patientsProspective national cohort studyST-elevation myocardial infarctionCent of admissionsMedian DTB timeOff-hour effectPatient risk factorsProspective observational studyRecords of patientsPrimary outcome measureNational cohort studyTimeliness of careMyocardial infarction patientsHierarchical logistic regression modelsLogistic regression modelsHospital mortalityCohort studySecondary outcomesAssociations between community well-being and hospitalisation rates: results from a cross-sectional study within six US states
Roy B, Riley C, Herrin J, Spatz E, Hamar B, Kell KP, Rula EY, Krumholz H. Associations between community well-being and hospitalisation rates: results from a cross-sectional study within six US states. BMJ Open 2019, 9: e030017. PMID: 31780588, PMCID: PMC6886944, DOI: 10.1136/bmjopen-2019-030017.Peer-Reviewed Original ResearchConceptsHospitalisation ratesZip codesPrimary care physician densityCross-sectional study SETTINGCancer-related admissionsRespiratory-related admissionsCross-sectional studyQuality of lifeRace/ethnicityCause hospitalisationSecondary outcomesPrimary outcomeHighest quintileUnnecessary hospitalisationAdmission ratesSD increaseHospitalisationLife benefitsPhysician densityStudy settingMain independent variableBeing IndexHospital bedsAdmissionGallup-Sharecare WellEffects of Mobile Text Messaging on Glycemic Control in Patients With Coronary Heart Disease and Diabetes Mellitus
Huo X, Krumholz HM, Bai X, Spatz ES, Ding Q, Horak P, Zhao W, Gong Q, Zhang H, Yan X, Sun Y, Liu J, Wu X, Guan W, Wang X, Li J, Li X, Spertus JA, Masoudi FA, Zheng X. Effects of Mobile Text Messaging on Glycemic Control in Patients With Coronary Heart Disease and Diabetes Mellitus. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005805. PMID: 31474119, DOI: 10.1161/circoutcomes.119.005805.Peer-Reviewed Original ResearchMeSH KeywordsAgedAsian PeopleBiomarkersBlood GlucoseChinaCoronary DiseaseCulturally Competent CareDiabetes MellitusExerciseFemaleGlycated HemoglobinHealth CommunicationHealthy LifestyleHumansHypoglycemic AgentsMaleMedication AdherenceMiddle AgedMotivationPatient Education as TopicRisk Reduction BehaviorSelf CareSingle-Blind MethodTelemedicineText MessagingTime FactorsTreatment OutcomeConceptsCoronary heart diseaseHeart diseaseGlycemic controlIntervention groupUsual careDiabetes mellitusBlood glucosePhysical activityControl groupText message-based interventionBlood pressure controlProportion of patientsRisk factor managementGood glycemic controlSystolic blood pressureBody mass indexText messaging programsText message interventionMobile health interventionsSecondary outcomesBlood pressurePrimary outcomeLDL cholesterolMass indexMedication adherence
2017
Design and rationale of the Cardiovascular Health and Text Messaging (CHAT) Study and the CHAT-Diabetes Mellitus (CHAT-DM) Study: two randomised controlled trials of text messaging to improve secondary prevention for coronary heart disease and diabetes
Huo X, Spatz ES, Ding Q, Horak P, Zheng X, Masters C, Zhang H, Irwin ML, Yan X, Guan W, Li J, Li X, Spertus JA, Masoudi FA, Krumholz HM, Jiang L. Design and rationale of the Cardiovascular Health and Text Messaging (CHAT) Study and the CHAT-Diabetes Mellitus (CHAT-DM) Study: two randomised controlled trials of text messaging to improve secondary prevention for coronary heart disease and diabetes. BMJ Open 2017, 7: e018302. PMID: 29273661, PMCID: PMC5778311, DOI: 10.1136/bmjopen-2017-018302.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBlood PressureChinaCoronary DiseaseDiabetes Mellitus, Type 1Diabetes Mellitus, Type 2ExerciseFemaleGlycated HemoglobinHumansLife StyleMaleMedication AdherenceMiddle AgedMotivationResearch DesignRisk FactorsSecondary PreventionSelf CareSingle-Blind MethodTelemedicineText MessagingYoung AdultConceptsSystolic blood pressureBody mass indexTrials of textProportion of patientsMedication adherencePhysical activitySecondary outcomesPrimary outcomeSmoking cessationCardiovascular healthMellitus StudySecondary coronary heart disease preventionCoronary heart disease preventionLow-density lipoprotein cholesterolUsual scientific forumsBlood pressure controlRisk factor managementHeart disease preventionCoronary heart diseaseMobile health interventionsInstitutional review boardUniversity Institutional Review BoardBehavioral skills modelText messagingBehavioral change techniquesImpact of Telemonitoring on Health Status
Jayaram NM, Khariton Y, Krumholz HM, Chaudhry SI, Mattera J, Tang F, Herrin J, Hodshon B, Spertus JA. Impact of Telemonitoring on Health Status. Circulation Cardiovascular Quality And Outcomes 2017, 10: e004148. PMID: 29237746, PMCID: PMC5776725, DOI: 10.1161/circoutcomes.117.004148.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireUsual careHealth statusHeart failureKCCQ overall summary scoreRecent heart failure hospitalizationDisease-specific health statusKCCQ overall summaryHeart failure hospitalizationWeeks of dischargeRandomized clinical trialsOverall summary scoreKCCQ scoresNoninvasive TelemonitoringFailure hospitalizationBaseline characteristicsSecondary outcomesTreatment armsClinical trialsSummary scoresPatientsSubscale scoresCareHospitalizationScoresComparing Outcomes of Coronary Artery Bypass Grafting Among Large Teaching and Urban Hospitals in China and the United States
Zheng Z, Zhang H, Yuan X, Rao C, Zhao Y, Wang Y, Normand SL, Krumholz HM, Hu S. Comparing Outcomes of Coronary Artery Bypass Grafting Among Large Teaching and Urban Hospitals in China and the United States. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003327. PMID: 28611187, PMCID: PMC5482563, DOI: 10.1161/circoutcomes.116.003327.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedChinaCoronary Artery BypassCoronary Artery DiseaseFemaleHealthcare DisparitiesHospital Bed CapacityHospital MortalityHospitals, High-VolumeHospitals, TeachingHospitals, UrbanHumansLength of StayMaleMiddle AgedOdds RatioPrevalenceProcess Assessment, Health CarePropensity ScoreQuality Indicators, Health CareRegistriesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsIsolated CABG surgeryCoronary artery bypassUrban hospitalHospital mortalityArtery bypassCABG surgeryChinese Cardiac Surgery RegistryTotal hospital stayCardiac Surgery RegistryCoronary artery diseaseNational Inpatient SampleLarge teachingLength of staySignificant mortality differenceHospital staySecondary outcomesArtery diseasePrimary outcomeMedian lengthComparing outcomesInpatient SampleMortality differencesHigher ageHigh mortalityHospital
2016
Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome
Jackevicius CA, Tu JV, Krumholz HM, Austin PC, Ross JS, Stukel TA, Koh M, Chong A, Ko DT. Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome. Journal Of The American Heart Association 2016, 5: e003350. PMID: 27098970, PMCID: PMC4859299, DOI: 10.1161/jaha.116.003350.Peer-Reviewed Original ResearchConceptsGeneric atorvastatinACS hospitalizationSecondary outcomesClinical effectivenessAcute coronary syndrome hospitalizationPopulation-based cohort studyNew-onset diabetesAcute coronary syndromeDays of dischargePrespecified subgroup analysisPropensity-matched pairsInfrequent side effectsBrand-name medicationsSignificant differencesHealth care plansRecurrent ACSAdmission diagnosisAtorvastatin doseCardiovascular outcomesCoronary syndromeCohort studyRenal failureHeart failurePrimary outcomeMean age
2012
Financial Stress and Outcomes after Acute Myocardial Infarction
Shah SJ, Krumholz HM, Reid KJ, Rathore SS, Mandawat A, Spertus JA, Ross JS. Financial Stress and Outcomes after Acute Myocardial Infarction. PLOS ONE 2012, 7: e47420. PMID: 23112814, PMCID: PMC3480393, DOI: 10.1371/journal.pone.0047420.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionSeattle Angina QuestionnaireLong-term outcomesMyocardial infarctionAMI patientsWorse long-term outcomesMulticenter US studyPost-AMI outcomesYear post-AMIDisease-specific QoLImportant risk factorHealth status outcomesWorse physical healthHealth care outcomesAngina QuestionnaireProspective registryInitial hospitalizationSecondary outcomesPrimary outcomeReadmission ratesPost-AMIRisk factorsCare characteristicsCare outcomesStatus outcomes
2010
Discontinuation of Antihyperglycemic Therapy and Clinical Outcomes After Acute Myocardial Infarction in Older Patients With Diabetes
Lipska KJ, Wang Y, Kosiborod M, Masoudi FA, Havranek EP, Krumholz HM, Inzucchi SE. Discontinuation of Antihyperglycemic Therapy and Clinical Outcomes After Acute Myocardial Infarction in Older Patients With Diabetes. Circulation Cardiovascular Quality And Outcomes 2010, 3: 236-242. PMID: 20354220, DOI: 10.1161/circoutcomes.109.887620.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAntihyperglycemic therapyAntihyperglycemic agentsOlder patientsMyocardial infarctionMortality rateMultivariable Cox proportional hazards modelsCox proportional hazards modelFrequency of discontinuationGlucose-lowering agentsGlucose-lowering therapyInclusion/exclusion criteriaProportional hazards modelYear of dischargeHigh mortality rateDiabetic regimenFirst rehospitalizationReadmission ratesSecondary outcomesHeart failurePrimary outcomeClinical outcomesMultivariable analysisRetrospective studyIndependent association
2006
A Taxonomy for Disease Management
Krumholz HM, Currie PM, Riegel B, Phillips CO, Peterson ED, Smith R, Yancy CW, Faxon DP. A Taxonomy for Disease Management. Circulation 2006, 114: 1432-1445. PMID: 16952985, DOI: 10.1161/circulationaha.106.177322.Peer-Reviewed Original ResearchMeSH KeywordsCardiologyCase ManagementClinical ProtocolsComorbidityDelivery of Health CareDepressionDiabetes MellitusDisease ManagementHeart FailureInterdisciplinary CommunicationMedicareModels, TheoreticalOutcome and Process Assessment, Health CarePatient Care ManagementPatient Care TeamPatient Education as TopicPatient SelectionRisk FactorsSocieties, MedicalTerminology as TopicConceptsDisease management programsDisease management interventionsHeart failureDisease managementHealthcare providersTerms heart failureLevel of comorbidityMedical resource utilizationHome-based programPatient-centered measuresSystematic MEDLINE searchDuration of exposureHealthcare delivery systemSecondary outcomesClinical outcomesPatient populationPostacute careCaregiver burdenMedication managementStudy protocolChronic carePatient outcomesPatient educationWriting groupManagement interventionsThe Effect of a Psychosocial Intervention and Quality of Life After Acute Myocardial Infarction
de Leon C, Czajkowski SM, Freedland KE, Bang H, Powell LH, Wu C, Burg MM, DiLillo V, Ironson G, Krumholz HM, Mitchell P, Blumenthal JA. The Effect of a Psychosocial Intervention and Quality of Life After Acute Myocardial Infarction. Journal Of Cardiopulmonary Rehabilitation And Prevention 2006, 26: 9-13. PMID: 16617220, DOI: 10.1097/00008483-200601000-00002.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionQuality of lifeMyocardial infarctionPsychosocial interventionsClinical trialsOverall QOLUsual medical carePost-MI patientsSocial supportPatient clinical trialsImportant secondary outcomesCognitive behavioral therapySignificant treatment differencesSF12-MCSSF12-PCSClinic visitsSecondary outcomesClinical centersQOL outcomesPhysical functioningQOL benefitsEnhancing RecoveryQOL measuresPatientsMedical care
2005
A Randomized Outpatient Trial of a Decision-Support Information Technology Tool
Apkon M, Mattera JA, Lin Z, Herrin J, Bradley EH, Carbone M, Holmboe ES, Gross CP, Selter JG, Rich AS, Krumholz HM. A Randomized Outpatient Trial of a Decision-Support Information Technology Tool. JAMA Internal Medicine 2005, 165: 2388-2394. PMID: 16287768, DOI: 10.1001/archinte.165.20.2388.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmbulatory CareAttitude of Health PersonnelCost-Benefit AnalysisDecision Support Systems, ClinicalFemaleFloridaHealth ResourcesHospitals, MilitaryHumansKentuckyMaleMass ScreeningMultivariate AnalysisOutcome and Process Assessment, Health CarePatient SatisfactionPreventive MedicineQuality of Health CareConceptsProvider satisfactionAmbulatory clinic visitsUsual care patientsDays of enrollmentQuality process measuresQuality of careProportion of opportunitiesUsual careClinic visitsOutpatient trialSecondary outcomesPrimary outcomeAcute carePatient satisfactionIntervention groupHealth care opportunitiesPatientsClinical decisionCare opportunitiesPharmacy resourcesPreventive measuresProcess measuresCareMedical resourcesModest improvementInsulin-Sensitizing Antihyperglycemic Drugs and Mortality After Acute Myocardial Infarction
Inzucchi SE, Masoudi FA, Wang Y, Kosiborod M, Foody JM, Setaro JF, Havranek EP, Krumholz HM. Insulin-Sensitizing Antihyperglycemic Drugs and Mortality After Acute Myocardial Infarction. Diabetes Care 2005, 28: 1680-1689. PMID: 15983320, DOI: 10.2337/diacare.28.7.1680.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionYear of dischargeHeart failureAntihyperglycemic agentsMyocardial infarctionHigh riskDiabetic patientsInsulin sensitizersMultivariable Cox proportional hazards modelsCox proportional hazards modelBorderline higher riskOlder diabetic patientsRetrospective cohort studyHeart failure readmissionInsulin-sensitizing drugsProportional hazards modelFirst rehospitalizationCause readmissionCohort studySecondary outcomesDischarge prescriptionsPrimary outcomeMultivariable analysisAntihyperglycemic drugsIndependent associationThiazolidinediones, Metformin, and Outcomes in Older Patients With Diabetes and Heart Failure
Masoudi FA, Inzucchi SE, Wang Y, Havranek EP, Foody JM, Krumholz HM. Thiazolidinediones, Metformin, and Outcomes in Older Patients With Diabetes and Heart Failure. Circulation 2005, 111: 583-590. PMID: 15699279, DOI: 10.1161/01.cir.0000154542.13412.b1.Peer-Reviewed Original ResearchConceptsHeart failureInsulin-sensitizing drugsOlder patientsLower riskCox proportional hazards modelAntidiabetic drug prescriptionRetrospective cohort studyPrincipal discharge diagnosisClustering of patientsProportional hazards modelCohort studySecondary outcomesPrimary outcomeMetformin treatmentRandomized trialsThiazolidinedione treatmentDischarge diagnosisInsulin sensitizersAdverse outcomesDrug prescriptionsMultivariable modelObservational studyHospital variablesThiazolidinedione classHigh risk