2020
Leveraging the Electronic Health Records for Population Health: A Case Study of Patients With Markedly Elevated Blood Pressure
Lu Y, Huang C, Mahajan S, Schulz WL, Nasir K, Spatz ES, Krumholz HM. Leveraging the Electronic Health Records for Population Health: A Case Study of Patients With Markedly Elevated Blood Pressure. Journal Of The American Heart Association 2020, 9: e015033. PMID: 32200730, PMCID: PMC7428633, DOI: 10.1161/jaha.119.015033.Peer-Reviewed Original ResearchConceptsDiastolic blood pressureSystolic blood pressureElevated blood pressureBlood pressureElectronic health recordsPopulation health surveillanceHealth recordsYale New Haven Health SystemHealth surveillanceHealth systemPatterns of patientsLarge health systemUsual careOutpatient encountersControl ratePatientsCare patternsPopulation healthMonthsHgSurveillancePrevalenceRecordsVisitsCare
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
2011
Do Imaging Studies Performed in Physician Offices Increase Downstream Utilization? An Empiric Analysis of Cardiac Stress Testing With Imaging
Chen J, Fazel R, Ross JS, McNamara RL, Einstein AJ, Al-Mallah M, Krumholz HM, Nallamothu BK. Do Imaging Studies Performed in Physician Offices Increase Downstream Utilization? An Empiric Analysis of Cardiac Stress Testing With Imaging. JACC Cardiovascular Imaging 2011, 4: 630-637. PMID: 21679898, PMCID: PMC3319749, DOI: 10.1016/j.jcmg.2011.04.003.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCardiac CatheterizationChi-Square DistributionEchocardiography, StressEmpirical ResearchFemaleHealthcare DisparitiesHumansInsurance, HealthLogistic ModelsMaleMiddle AgedMyocardial Perfusion ImagingMyocardial RevascularizationOffice VisitsOutpatient Clinics, HospitalPractice Patterns, Physicians'Predictive Value of TestsResidence CharacteristicsTime FactorsUnited StatesYoung AdultConceptsMyocardial perfusion imagingSubsequent myocardial perfusion imagingProportion of patientsStress echocardiographyCardiac catheterizationHospital outpatient settingPhysician's officeOutpatient settingStress testingSubsequent cardiac testingCardiac stress testingDownstream resource utilizationHospital outpatient facilitiesCardiac testingPrivate health insuranceDownstream testingOffice imagingPerfusion imagingCatheterizationImaging studiesOutpatient imagingPatientsHealth insuranceLower ratesHigh rate