2022
Physical Activity Among Patients With Intracardiac Remote Monitoring Devices Before, During, and After COVID-19–Related Restrictions
Lu Y, Jones PW, Murugiah K, Caraballo C, Massey DS, Mahajan S, Ahmed R, Bader EM, Krumholz HM. Physical Activity Among Patients With Intracardiac Remote Monitoring Devices Before, During, and After COVID-19–Related Restrictions. Journal Of The American College Of Cardiology 2022, 79: 309-310. PMID: 35057917, PMCID: PMC8763290, DOI: 10.1016/j.jacc.2021.11.010.Peer-Reviewed Original Research
2020
Cardiovascular Considerations for Patients, Health Care Workers, and Health Systems During the COVID-19 Pandemic
Driggin E, Madhavan MV, Bikdeli B, Chuich T, Laracy J, Biondi-Zoccai G, Brown TS, Der Nigoghossian C, Zidar DA, Haythe J, Brodie D, Beckman JA, Kirtane AJ, Stone GW, Krumholz HM, Parikh SA. Cardiovascular Considerations for Patients, Health Care Workers, and Health Systems During the COVID-19 Pandemic. Journal Of The American College Of Cardiology 2020, 75: 2352-2371. PMID: 32201335, PMCID: PMC7198856, DOI: 10.1016/j.jacc.2020.03.031.Peer-Reviewed Original ResearchConceptsHealth care workersCare workersCardiovascular ConsiderationsCardiovascular careCOVID-19Severe acute respiratory syndrome coronavirus 2Pre-existing cardiovascular diseaseAcute respiratory syndrome coronavirus 2Health systemRespiratory syndrome coronavirus 2Indirect cardiovascular complicationsCardiovascular side effectsAcute myocardial injurySyndrome coronavirus 2Coronavirus disease 2019Cardiovascular complicationsVenous thromboembolismMyocardial injuryCoronavirus 2Cardiovascular diseaseCardiovascular conditionsDisease 2019Severe diseaseSide effectsRapid triage
2016
Practice‐Level Variation in Outpatient Cardiac Care and Association With Outcomes
Clough JD, Rajkumar R, Crim MT, Ott LS, Desai NR, Conway PH, Maresh S, Kahvecioglu DC, Krumholz HM. Practice‐Level Variation in Outpatient Cardiac Care and Association With Outcomes. Journal Of The American Heart Association 2016, 5: e002594. PMID: 26908402, PMCID: PMC4802452, DOI: 10.1161/jaha.115.002594.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAmbulatory CareCardiologyFemaleHealth Care CostsHealthcare DisparitiesHeart DiseasesHospitalizationHumansMaleMedicareMiddle AgedOffice VisitsPractice Patterns, Physicians'Process Assessment, Health CareQuality Indicators, Health CareTime FactorsTreatment OutcomeUnited StatesConceptsOutpatient cardiac careCardiac careCardiac servicesPractice-level variationMyocardial perfusion imagingNoncardiac hospitalizationsMedical hospitalizationCardiac catheterizationOffice visitsClinical endpointsOutpatient careLowest quartileOdds ratioCardiology practiceMedicare populationMedicare beneficiariesHospitalizationPerfusion imagingDevice proceduresEfficient carePhysician practicesQuartileCarePractice levelMean payment
2012
Development of 2 Registry-Based Risk Models Suitable for Characterizing Hospital Performance on 30-Day All-Cause Mortality Rates Among Patients Undergoing Percutaneous Coronary Intervention
Curtis JP, Geary LL, Wang Y, Chen J, Drye EE, Grosso LM, Spertus JA, Rumsfeld JS, Weintraub WS, Masoudi FA, Brindis RG, Krumholz HM. Development of 2 Registry-Based Risk Models Suitable for Characterizing Hospital Performance on 30-Day All-Cause Mortality Rates Among Patients Undergoing Percutaneous Coronary Intervention. Circulation Cardiovascular Quality And Outcomes 2012, 5: 628-637. PMID: 22949491, DOI: 10.1161/circoutcomes.111.964569.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAged, 80 and overAngina PectorisChi-Square DistributionComorbidityFemaleHeart DiseasesHospital MortalityHospitalsHumansLogistic ModelsMaleMyocardial InfarctionOdds RatioOutcome and Process Assessment, Health CarePercutaneous Coronary InterventionQuality Indicators, Health CareRegistriesRisk AssessmentRisk FactorsShock, CardiogenicTime FactorsTreatment OutcomeUnited StatesConceptsST-segment elevation myocardial infarctionPercutaneous coronary interventionRisk-standardized mortality ratesElevation myocardial infarctionPatient mortality ratesMyocardial infarctionMortality rateCardiogenic shockCoronary interventionDerivation cohortHospital risk-standardized mortality ratesCause mortality ratesAdministrative claims dataQuality of careHierarchical logistic regression modelsNational Quality ForumLogistic regression modelsObserved mortality rateCathPCI RegistryNational HospitalClaims dataInfarctionPatientsQuality ForumFinal model
2010
Cumulative Exposure to Ionizing Radiation From Diagnostic and Therapeutic Cardiac Imaging Procedures A Population-Based Analysis
Chen J, Einstein AJ, Fazel R, Krumholz HM, Wang Y, Ross JS, Ting HH, Shah ND, Nasir K, Nallamothu BK. Cumulative Exposure to Ionizing Radiation From Diagnostic and Therapeutic Cardiac Imaging Procedures A Population-Based Analysis. Journal Of The American College Of Cardiology 2010, 56: 702-711. PMID: 20619569, PMCID: PMC2952402, DOI: 10.1016/j.jacc.2010.05.014.Peer-Reviewed Original ResearchConceptsCardiac imaging proceduresCumulative effective doseMSv/yearEffective dosesImaging proceduresEffective doseRadiation exposureGeneral populationAnnual population-based ratesCardiac computed tomography (CT) studiesMean cumulative effective dosePopulation-based annual rateCumulative effective dosesMyocardial perfusion imagingComputed tomography studyPopulation-based ratesSubstantial radiation exposureCumulative dosesAdministrative claimsMyocardial perfusionPhysician's officeCumulative exposurePerfusion imagingPatientsTomography study
2005
American College of Cardiology and American Heart Association methodology for the selection and creation of performance measures for quantifying the quality of cardiovascular care
Measures A, Spertus J, Eagle K, Krumholz H, Mitchell K, Normand S. American College of Cardiology and American Heart Association methodology for the selection and creation of performance measures for quantifying the quality of cardiovascular care. Journal Of The American College Of Cardiology 2005, 45: 1147-1156. PMID: 15808779, DOI: 10.1016/j.jacc.2005.03.011.Peer-Reviewed Original Research
2004
The year in health care delivery and outcomes research
Krumholz HM. The year in health care delivery and outcomes research. Journal Of The American College Of Cardiology 2004, 44: 1130-1136. PMID: 15337229, DOI: 10.1016/j.jacc.2004.07.004.Peer-Reviewed Original Research
2001
The Connecticut Cardiovascular Consortium: a unique, state-wide research collaboration to advance clinical outcomes in patients with heart disease.
Boden WE, McKay RG, Cabin HS, Radford MJ, Krumholz HM, Zaret BL, Garner L, Bull MB, Fisherkeller M, Kosinski EJ, Krauthamer MJ, Maljanian R, McDowell AV, Sands MJ, Schwartz KV, Seltzer JP, Hager JD. The Connecticut Cardiovascular Consortium: a unique, state-wide research collaboration to advance clinical outcomes in patients with heart disease. Connecticut Medicine 2001, 65: 597-604. PMID: 11702518.Peer-Reviewed Original ResearchMeSH KeywordsConnecticutEvidence-Based MedicineHeart DiseasesHumansMyocardial InfarctionOutcome Assessment, Health CareResearchConceptsST-segment elevation acute myocardial infarctionPercutaneous coronary interventionClinical outcomesSegment elevation acute myocardial infarctionConnecticut residentsPatient careElevation acute myocardial infarctionUltimate clinical impactHealth care delivery modelsAcute myocardial infarctionCurrent health care policiesClinical outcome assessmentHealth care providersGood clinical practiceHealth care accessDifferent treatment patternsEvidence-based medicineHealth care policyMechanical reperfusionMechanical revascularizationPCI capabilityCoronary interventionFibrinolytic therapyTreatment patternsMyocardial infarction