2023
Physician responses to apple watch-detected irregular rhythm alerts
Demkowicz P, Dhruva S, Spatz E, Beatty A, Ross J, Khera R. Physician responses to apple watch-detected irregular rhythm alerts. American Heart Journal 2023, 262: 29-37. PMID: 37084933, PMCID: PMC10988207, DOI: 10.1016/j.ahj.2023.04.008.Peer-Reviewed Original ResearchConceptsAtrial fibrillationPrimary careEmergency medicinePhysician responsesDiagnostic testingUse of antiarrhythmicsClinical practice guidelinesMeasurement of BNPFurther diagnostic testingCase-based surveyLarge academic centerAF alertsAsymptomatic patientsPatient demographicsClinical symptomsTreatment optionsMedical historyPatient referralPhysician specialtyPractice guidelinesPhysician differencesRhythm monitoringAcademic centersUS FoodClinical complexityA MACHINE LEARNING-GUIDED APPROACH FOR ADAPTIVE TRIAL ENRICHMENT AND ACCELERATION OF CARDIOVASCULAR OUTCOME TRIALS: INSIGHTS FROM THE SPRINT AND ACCORD-BP TRIALS
Oikonomou E, Spatz E, Ross J, Suchard M, Krumholz H, Khera R. A MACHINE LEARNING-GUIDED APPROACH FOR ADAPTIVE TRIAL ENRICHMENT AND ACCELERATION OF CARDIOVASCULAR OUTCOME TRIALS: INSIGHTS FROM THE SPRINT AND ACCORD-BP TRIALS. Journal Of The American College Of Cardiology 2023, 81: 2314. DOI: 10.1016/s0735-1097(23)02758-4.Peer-Reviewed Original ResearchPrimary care institutional characteristics associated with hypertension awareness, treatment, and control in the China PEACE-Million Persons Project and primary health-care survey: a cross-sectional study
Group C, Zhou T, Wang Y, Zhang H, Wu C, Tian N, Cui J, Bai X, Yang Y, Zhang X, Lu Y, Spatz E, Ross J, Krumholz H, Lu J, Li X, Hu S. Primary care institutional characteristics associated with hypertension awareness, treatment, and control in the China PEACE-Million Persons Project and primary health-care survey: a cross-sectional study. The Lancet Global Health 2023, 11: e83-e94. PMID: 36521957, DOI: 10.1016/s2214-109x(22)00428-4.Peer-Reviewed Original ResearchConceptsProportion of participantsPrimary care institutionsHypertension awarenessPrimary care systemBlood pressureCare institutionsCardiac Events Million Persons ProjectAverage diastolic blood pressureMedical Sciences (CAMS) Innovation FundAverage systolic blood pressureCare systemMillion Persons ProjectHistory of hypertensionDiastolic blood pressurePrimary care surveySystolic blood pressureCardiovascular disease riskBlood pressure measurementsCross-sectional studyParticipant-level dataProportion of physiciansRoutine service deliveryPrimary care roleHealth Care SurveyPublic health services
2022
Assessment of Market-Level Information on Quality Using Hospital Care Compare
Oddleifson D, Xu X, Ross J, Spatz E, Desai N. Assessment of Market-Level Information on Quality Using Hospital Care Compare. Journal Of General Internal Medicine 2022, 38: 1581-1583. PMID: 36443632, PMCID: PMC10160280, DOI: 10.1007/s11606-022-07965-9.Peer-Reviewed Original Research
2018
Defining Multiple Chronic Conditions for Quality Measurement
Drye EE, Altaf FK, Lipska KJ, Spatz ES, Montague JA, Bao H, Parzynski CS, Ross JS, Bernheim SM, Krumholz HM, Lin Z. Defining Multiple Chronic Conditions for Quality Measurement. Medical Care 2018, 56: 193-201. PMID: 29271820, DOI: 10.1097/mlr.0000000000000853.Peer-Reviewed Original ResearchConceptsMultiple chronic conditionsChronic conditionsMedicare feeService beneficiariesMedicare Chronic Conditions WarehouseMCC cohortBroad cohortChronic Conditions WarehouseRisk-standardized ratesNational quality measuresUnplanned admissionsFinal cohortTotal admissionsAdmission riskAccountable care organizationsAdmission ratesOutcome measuresAdmissionCohortCohort conditionCare organizationsPatientsStakeholder inputNarrow cohortBeneficiaries
2017
Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling.
Dharmarajan K, McNamara RL, Wang Y, Masoudi FA, Ross JS, Spatz EE, Desai NR, de Lemos JA, Fonarow GC, Heidenreich PA, Bhatt DL, Bernheim SM, Slattery LE, Khan YM, Curtis JP. Age Differences in Hospital Mortality for Acute Myocardial Infarction: Implications for Hospital Profiling. Annals Of Internal Medicine 2017, 167: 555-564. PMID: 28973634, PMCID: PMC9359429, DOI: 10.7326/m16-2871.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionOlder patientsYounger patientsMyocardial infarctionAge groupsHospital risk-standardized mortality ratesRetrospective cohort studyHospital mortality rankingsNational Quality ForumHospital mortalityMedian hospitalHospital outcomesCohort studyACTION RegistryAMI mortalityAmerican CollegeMedicare beneficiariesAMI hospitalizationPatientsMortality rateHospitalQuality ForumHospital ValueHospital profiling
2016
Risk-standardized Acute Admission Rates Among Patients With Diabetes and Heart Failure as a Measure of Quality of Accountable Care Organizations
Spatz ES, Lipska KJ, Dai Y, Bao H, Lin Z, Parzynski CS, Altaf FK, Joyce EK, Montague JA, Ross JS, Bernheim SM, Krumholz HM, Drye EE. Risk-standardized Acute Admission Rates Among Patients With Diabetes and Heart Failure as a Measure of Quality of Accountable Care Organizations. Medical Care 2016, 54: 528-537. PMID: 26918404, PMCID: PMC5356461, DOI: 10.1097/mlr.0000000000000518.Peer-Reviewed Original ResearchConceptsHeart failure measuresAccountable care organizationsAcute admission ratesHeart failureAdmission ratesNational ratesUnplanned hospital admissionsHeart failure cohortRisk-adjustment variablesPopulation-based measuresCare organizationsOutcome measure developmentIntraclass correlation coefficientHospital admissionDiabetes measuresFailure cohortChronic conditionsMedicare feeDiabetesService beneficiariesPatientsMeet criteriaMeasures of qualitySocioeconomic statusPerformance categories
2015
Patterns of Use of Angiotensin‐Converting Enzyme Inhibitors/Angiotensin Receptor Blockers Among Patients With Acute Myocardial Infarction in China From 2001 to 2011: China PEACE‐Retrospective AMI Study
Liu J, Masoudi FA, Spertus JA, Wang Q, Murugiah K, Spatz ES, Li J, Li X, Ross JS, Krumholz HM, Jiang L, Group C. Patterns of Use of Angiotensin‐Converting Enzyme Inhibitors/Angiotensin Receptor Blockers Among Patients With Acute Myocardial Infarction in China From 2001 to 2011: China PEACE‐Retrospective AMI Study. Journal Of The American Heart Association 2015, 4: e001343. PMID: 25713293, PMCID: PMC4345866, DOI: 10.1161/jaha.114.001343.Peer-Reviewed Original ResearchConceptsACEI/ARB therapyAcute myocardial infarctionClass I indicationsARB therapyMyocardial infarctionMortality riskReceptor blockersAngiotensin-Converting Enzyme Inhibitors/Angiotensin Receptor BlockersEnzyme inhibitors/angiotensin receptor blockersChina PEACE-Retrospective AMI StudyChinese AMI patientsClass IIa recommendationRates of therapyAbsence of contraindicationsAngiotensin receptor blockersHigher mortality riskCost-effective therapyIIa recommendationAMI patientsChina PatientRetrospective studyHigh riskPatterns of useChinese guidelinesPatients
2014
Usual Source of Care and Outcomes Following Acute Myocardial Infarction
Spatz ES, Sheth SD, Gosch KL, Desai MM, Spertus JA, Krumholz HM, Ross JS. Usual Source of Care and Outcomes Following Acute Myocardial Infarction. Journal Of General Internal Medicine 2014, 29: 862-869. PMID: 24553957, PMCID: PMC4026492, DOI: 10.1007/s11606-014-2794-0.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUsual sourceMyocardial infarctionMortality rateBaseline risk factorsAcute clinical eventsMain outcome measuresAMI severityAMI patientsMultivariable analysisKey ResultsAmongClinical eventsSocio-demographic characteristicsRisk factorsOutcome measuresReadmissionHigh mortalityPatientsMortalityCareMonthsInfarctionAdultsOutcomesAssociationTransfer 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
Beyond insurance coverage: Usual source of care in the treatment of hypertension and hypercholesterolemia. Data from the 2003-2006 National Health and Nutrition Examination Survey
Spatz ES, Ross JS, Desai MM, Canavan ME, Krumholz HM. Beyond insurance coverage: Usual source of care in the treatment of hypertension and hypercholesterolemia. Data from the 2003-2006 National Health and Nutrition Examination Survey. American Heart Journal 2010, 160: 115-121. PMID: 20598981, PMCID: PMC3025407, DOI: 10.1016/j.ahj.2010.04.013.Peer-Reviewed Original ResearchConceptsTreatment of hypertensionNutrition Examination SurveyInsurance statusMedication treatmentExamination SurveyNational HealthUsual sourceAdult Treatment Panel III recommendationsJoint National Committee 7Multivariable logistic regression modelingInsurance coverageSeparate multivariable modelsChronic disease managementLogistic regression modelingHigh-quality careRace/ethnicityCardiovascular diseaseMultivariable modelStratified analysisHypertensionHypercholesterolemiaRegular sourceCareDisease managementIndependent effects
2009
Mis-SHAPEing Public Health Policy
Spatz ES, Ross JS. Mis-SHAPEing Public Health Policy. Circulation Cardiovascular Quality And Outcomes 2009, 2: 681-683. PMID: 20031909, PMCID: PMC2835162, DOI: 10.1161/circoutcomes.109.890715.Commentaries, Editorials and Letters