2023
Air Pollution and Acute Kidney Injury in the U.S. Medicare Population: A Longitudinal Cohort Study
Lee W, Wu X, Heo S, Kim J, Fong K, Son J, Sabath M, Trisovic A, Braun D, Park J, Kim Y, Lee J, Schwartz J, Kim H, Dominici F, Al-Aly Z, Bell M. Air Pollution and Acute Kidney Injury in the U.S. Medicare Population: A Longitudinal Cohort Study. Environmental Health Perspectives 2023, 131: 047008. PMID: 37036790, PMCID: PMC10084931, DOI: 10.1289/ehp10729.Peer-Reviewed Original ResearchConceptsAcute kidney injuryFirst hospital admissionLongitudinal cohort studyHospital admissionKidney injuryCohort studyHazard ratioPopulation-based longitudinal cohort studyU.S. Medicare populationYears of ageAir pollution exposureNationwide Medicare dataPublic health policyCurrent National Ambient Air Quality StandardHealth care expendituresKidney functionDisease burdenMedicare populationMedicare dataLong-term exposureAdmissionPollution exposureHealth policyCare expendituresEffect estimates
2022
Return on Investment of the COVID-19 Vaccination Campaign in New York City
Sah P, Vilches T, Moghadas S, Pandey A, Gondi S, Schneider E, Singer J, Chokshi D, Galvani A. Return on Investment of the COVID-19 Vaccination Campaign in New York City. JAMA Network Open 2022, 5: e2243127. PMID: 36409495, PMCID: PMC9679875, DOI: 10.1001/jamanetworkopen.2022.43127.Peer-Reviewed Original ResearchConceptsCOVID-19 vaccination campaignVaccination campaignIntensive care unit admissionCare unit admissionEmergency department visitsIndirect costsDecision analytical modelEmergency medical servicesCOVID-19 deathsHealth care expendituresUnit admissionDepartment visitsFuture COVID-19 outbreaksNew York CityOutpatient visitsVaccine uptakeSevere outcomesVaccination programPotential yearsMAIN OUTCOMEVaccinationHealth outcomesProbable casesSocietal perspectiveCare expenditures
2021
Forgone Medical Care Associated With Increased Health Care Costs Among the U.S. Heart Failure Population
Thomas A, Valero-Elizondo J, Khera R, Warraich HJ, Reinhardt SW, Ali HJ, Nasir K, Desai NR. Forgone Medical Care Associated With Increased Health Care Costs Among the U.S. Heart Failure Population. JACC Heart Failure 2021, 9: 710-719. PMID: 34391737, DOI: 10.1016/j.jchf.2021.05.010.Peer-Reviewed Original ResearchConceptsHeart failureHealth care utilizationHealth care costsHealth care expendituresCare utilizationCare costsMedical careMore emergency department visitsTotal health care costsCare expendituresAnnual health careAnnual inpatient costsPrevalence of patientsEmergency department visitsMedical Expenditure Panel SurveyOverall health care spendingHF patientsElderly patientsCare AssociatedDepartment visitsFailure populationInpatient costsHealth care spendingLeading causePatients
2020
Comparison of health care utilization among patients affiliated and not affiliated with healthcare professionals in China
Si Y, Zhou Z, Su M, Hu H, Yang Z, Chen X. Comparison of health care utilization among patients affiliated and not affiliated with healthcare professionals in China. BMC Health Services Research 2020, 20: 1118. PMID: 33272275, PMCID: PMC7713311, DOI: 10.1186/s12913-020-05895-y.Peer-Reviewed Original ResearchConceptsHealth care utilizationCare utilizationHealthcare professionalsOutpatient visitsHealth careSupplier-induced demandHealth care costsHigh-quality health careCounterpart patientsInpatient visitsMAIN OUTCOMEPatientsCare costsConclusionOur resultsCare expensesCare expendituresCross-sectional dataVisitsCareChina Labor-force Dynamics SurveySID hypothesisCoarsened exact matchingProvider incentivesProfessionalsProportionThe Economic Impact of the COVID-19 Pandemic on Radiology Practices
Cavallo JJ, Forman HP. The Economic Impact of the COVID-19 Pandemic on Radiology Practices. Radiology 2020, 296: 201495. PMID: 32293225, PMCID: PMC7233391, DOI: 10.1148/radiol.2020201495.Peer-Reviewed Original ResearchConceptsAppropriate medical imagingHealth care providersCOVID-19 pandemicCoronavirus 2019 (COVID-19) pandemicHealth care expendituresLocation of practiceRadiology practiceCare providersAnecdotal experienceHospital preparationCare expendituresTransmission of diseasePractice modificationsCOVID-19Practice leadersHealth care marketPandemicAssociation Between Medicare Expenditures and Adverse Events for Patients With Acute Myocardial Infarction, Heart Failure, or Pneumonia in the United States
Wang Y, Eldridge N, Metersky ML, Sonnenfeld N, Rodrick D, Fine JM, Eckenrode S, Galusha DH, Tasimi A, Hunt DR, Bernheim SM, Normand ST, Krumholz HM. Association Between Medicare Expenditures and Adverse Events for Patients With Acute Myocardial Infarction, Heart Failure, or Pneumonia in the United States. JAMA Network Open 2020, 3: e202142. PMID: 32259263, PMCID: PMC7139276, DOI: 10.1001/jamanetworkopen.2020.2142.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMedicare Patient Safety Monitoring SystemAdverse event ratesAdverse eventsHeart failureMedicare expendituresService patientsMyocardial infarctionMedicare feeEvent ratesHigher adverse event ratesCare expendituresRisk-standardized ratesPatients 65 yearsAdverse event dataAcute care hospitalsCross-sectional studyFinal study sampleInpatient care expendituresRate of occurrenceDates of analysisPatient characteristicsCare hospitalMean ageInpatient care
2018
International variations in trust in health care systems
Zhao D, Zhao H, Cleary PD. International variations in trust in health care systems. The International Journal Of Health Planning And Management 2018, 34: 130-139. PMID: 30109894, DOI: 10.1002/hpm.2597.Peer-Reviewed Original ResearchConceptsGross national incomeHealth care expendituresNational incomeEconomic circumstancesCare expendituresInternational Social Survey ProgrammeHealth care systemCountry gross national incomeHigh health expendituresLower health care expendituresIntercountry variabilityHealth expenditurePublic trustHealth Care SurveyCare systemCapitaIntercountry differencesIncomeExpenditureCountriesRespondent's educationSurvey programLess trustInternational variationTrustRegional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care
Wang S, Hsu SH, Huang S, Doan KC, Gross CP, Ma X. Regional Practice Patterns and Racial/Ethnic Differences in Intensity of End‐of‐Life Care. Health Services Research 2018, 53: 4291-4309. PMID: 29951996, PMCID: PMC6232508, DOI: 10.1111/1475-6773.12998.Peer-Reviewed Original ResearchConceptsIntensity of endHospital referral regionsRegional practice patternsPractice patternsLife careEthnic differencesLife care expendituresLocal practice patternsCancer decedentsMedicare databaseRacial/Ethnic DifferencesReferral regionsCare expendituresCareEnd resultDifferencesEpidemiologyDecedentsCosts of relapsed diffuse large B-cell lymphoma among Medicare patients
Huntington S, Keshishian A, McGuire M, Xie L, Baser O. Costs of relapsed diffuse large B-cell lymphoma among Medicare patients. Leukemia & Lymphoma 2018, 59: 2880-2887. PMID: 29936866, DOI: 10.1080/10428194.2018.1459613.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Agents, ImmunologicalAntineoplastic Combined Chemotherapy ProtocolsCost of IllnessFemaleHealth Care CostsHospitalizationHumansInsurance Claim ReviewLymphoma, Large B-Cell, DiffuseMaleMedicareNeoplasm Recurrence, LocalRetrospective StudiesTreatment OutcomeUnited StatesConceptsDiffuse large B-cell lymphomaHealth care costsLarge B-cell lymphomaFirst-line treatmentB-cell lymphomaCare costsHealth care expendituresCare expendituresHigher health care costsOffice visit costsSecond-line therapyFirst-line therapyHigher medical costsLikelihood of relapseRelapsed cohortMedicare patientsMedicare claimsMedical costsVisit costsPropensity scoreOlder adultsPatientsLymphomaTherapyTreatment
2017
Trends in acute pericarditis hospitalizations and outcomes among the elderly in the USA, 1999–2012
Mody P, Bikdeli B, Wang Y, Imazio M, Krumholz HM. Trends in acute pericarditis hospitalizations and outcomes among the elderly in the USA, 1999–2012. European Heart Journal - Quality Of Care And Clinical Outcomes 2017, 4: 98-105. PMID: 29106473, PMCID: PMC6279101, DOI: 10.1093/ehjqcco/qcx040.Peer-Reviewed Original ResearchConceptsLength of stayHospitalization ratesMortality rateReadmission ratesStudy periodCause readmission rateCause mortality ratesLong-term outcomesPrincipal discharge diagnosisRisk of pericarditisHealth care expendituresAcute pericarditisCardiac surgeryRenal diseaseDischarge diagnosisPericarditisHigh riskMedicare beneficiariesHospitalizationOlder adultsCare expendituresStayOutcomesRiskCauseRegional variation in the cost of infrainguinal lower extremity bypass surgery in the United States
Nejim B, Wang S, Arhuidese I, Obeid T, Alshaikh H, Aridi H, Locham S, Malas M. Regional variation in the cost of infrainguinal lower extremity bypass surgery in the United States. Journal Of Vascular Surgery 2017, 67: 1170-1180.e4. PMID: 29074114, DOI: 10.1016/j.jvs.2017.08.055.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionCost-Benefit AnalysisDatabases, FactualFemaleHealth ExpendituresHealthcare DisparitiesHospital CostsHumansLinear ModelsLower ExtremityMaleMiddle AgedModels, EconomicPeripheral Arterial DiseasePractice Patterns, Physicians'Process Assessment, Health CareRetrospective StudiesSurgeonsTreatment OutcomeUnited StatesVascular GraftingConceptsLower extremity bypassIn-hospital costsHospital factorsService-specific costsInfrainguinal lower extremity bypassHealth care expendituresMedian in-hospital costsGeneralized linear regression modelsLower extremity bypass surgeryHealth systemPeripheral arterial diseaseStandard revascularization proceduresPatient's clinical conditionIdentified adult patientsLinear regression modelsCare expendituresFinancial burdenRegional variationMedian costPatient demographicsClinical characteristicsAdult patientsBypass surgeryNortheast regionPatient characteristicsMaternal Medical Complexity: Impact on Prenatal Health Care Spending among Women at Low Risk for Cesarean Section
Cunningham SD, Herrera C, Udo IE, Kozhimannil KB, Barrette E, Magriples U, Ickovics JR. Maternal Medical Complexity: Impact on Prenatal Health Care Spending among Women at Low Risk for Cesarean Section. Women's Health Issues 2017, 27: 551-558. PMID: 28420558, DOI: 10.1016/j.whi.2017.03.003.Peer-Reviewed Original ResearchConceptsPregnant womenHealth care servicesHealth care spendingMaternal comorbiditiesMore comorbiditiesCesarean deliveryComorbid conditionsLower riskCare servicesCare spendingExpensive health care servicesPrenatal periodCare expendituresMore comorbid conditionsMaternal health conditionsEpisode of careHealth Care Cost InstituteHealth care expendituresHealth-related servicesCesarean sectionPatient characteristicsPreexisting diabetesMedical complexityObstetric proceduresComorbiditiesFavorable Cardiovascular Health Is Associated With Lower Health Care Expenditures and Resource Utilization in a Large US Employee Population The Baptist Health South Florida Employee Study
Osondu CU, Aneni EC, Valero-Elizondo J, Salami JA, Rouseff M, Das S, Guzman H, Younus A, Ogunmoroti O, Feldman T, Agatston AS, Veledar E, Katzen B, Calitz C, Sanchez E, Lloyd-Jones DM, Nasir K. Favorable Cardiovascular Health Is Associated With Lower Health Care Expenditures and Resource Utilization in a Large US Employee Population The Baptist Health South Florida Employee Study. Mayo Clinic Proceedings 2017, 92: 512-524. PMID: 28365099, DOI: 10.1016/j.mayocp.2016.12.026.Peer-Reviewed Original ResearchHealth care expendituresCare expendituresBaptist Health South Florida Employee StudyLower total medical expendituresHealth care resource utilizationLower health care expendituresAnnual health care expendituresFavorable cardiovascular healthFavorable CVH profilesBaptist Health South FloridaCardiovascular health statusTotal cholesterol levelsEmployee populationHealth care utilizationBlood glucose levelsTotal medical expendituresLow CVHBlood pressureCare utilizationComorbid conditionsCardiovascular healthCholesterol levelsDietary patternsGlucose levelsPhysical activity
2016
Economic Impact of Moderate‐Vigorous Physical Activity Among Those With and Without Established Cardiovascular Disease: 2012 Medical Expenditure Panel Survey
Valero‐Elizondo J, Salami JA, Osondu CU, Ogunmoroti O, Arrieta A, Spatz ES, Younus A, Rana JS, Virani SS, Blankstein R, Blaha MJ, Veledar E, Nasir K. Economic Impact of Moderate‐Vigorous Physical Activity Among Those With and Without Established Cardiovascular Disease: 2012 Medical Expenditure Panel Survey. Journal Of The American Heart Association 2016, 5: e003614. PMID: 27604455, PMCID: PMC5079024, DOI: 10.1161/jaha.116.003614.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedArrhythmias, CardiacCardiovascular DiseasesCase-Control StudiesCoronary Artery DiseaseDiabetes MellitusExerciseFemaleHealth ExpendituresHealth ServicesHeart FailureHumansHypercholesterolemiaHypertensionMaleMiddle AgedObesityPeripheral Arterial DiseaseRetrospective StudiesSmokingStrokeUnited StatesYoung AdultConceptsModerate-vigorous physical activityDays/weekPhysical activityHealth care expendituresTotal annual health care expendituresLower health care expendituresAnnual health care expendituresCare expendituresLower health care spendingModifiable risk factorsCardiovascular disease outcomesMedical Expenditure Panel SurveyFinal study sampleYears of ageQuality of lifeMedical Expenditure PanelLink logCVD statusHealth care spendingRisk factorsDisease outcomeStudy populationUS adultsRepresentative cohortTwo-part econometric modelAssociations Between End-of-Life Cancer Care Patterns and Medicare Expenditures.
Wang SY, Hall J, Pollack CE, Adelson K, Davidoff AJ, Long JB, Gross CP. Associations Between End-of-Life Cancer Care Patterns and Medicare Expenditures. Journal Of The National Comprehensive Cancer Network 2016, 14: 1001-8. PMID: 27496116, PMCID: PMC5577560, DOI: 10.6004/jnccn.2016.0107.Peer-Reviewed Original ResearchConceptsDay of deathLife care expendituresLife careIntensive endCancer decedentsIntensive care unit admissionCare expendituresLife care interventionsCare unit admissionEmergency department visitsSEER-Medicare databaseLast monthProportion of decedentsHospital referral regionsExpenditure differencesHospital deathICU admissionUnit admissionDepartment visitsHospice enrollmentIntensive careHighest quintileLater chemotherapyHospice useLowest quintileAssociation of length of hospice enrollment with regional variation in end-of-life care expenditures.
Wang S, Huang S, Hsu S, Gross C. Association of length of hospice enrollment with regional variation in end-of-life care expenditures. Journal Of Clinical Oncology 2016, 34: 10030-10030. DOI: 10.1200/jco.2016.34.15_suppl.10030.Peer-Reviewed Original Research
2012
Health care utilization and health outcomes: a population study of Taiwan
Wang SY, Chen LK, Hsu SH, Wang SC. Health care utilization and health outcomes: a population study of Taiwan. Health Policy And Planning 2012, 27: 590-599. PMID: 22258470, DOI: 10.1093/heapol/czr080.Peer-Reviewed Original ResearchConceptsHealth care utilizationCare utilizationDiabetes mellitusSystem diseasesCerebrovascular diseaseHealth outcomesMortality rateReduced health care utilizationSARS epidemicHealth careCause-specific mortality ratesGenitourinary system diseasesNervous system diseasesNational Health Insurance programRespiratory system diseasesDigestive system diseasesHealth care expendituresHealth Insurance ProgramVascular diseaseMonthly mortality ratesShort-term reductionMellitusInfectious diseasesDiseaseCare expenditures
2011
The impact of the economy and recessions on the marketplace demand for ophthalmologists (an American Ophthalmological Society thesis).
Adelman RA, Nwanze CC. The impact of the economy and recessions on the marketplace demand for ophthalmologists (an American Ophthalmological Society thesis). The Transactions Of The American Ophthalmological Society 2011, 109: 49-65. PMID: 22253483, PMCID: PMC3259675.Peer-Reviewed Original ResearchConceptsGross domestic productStock market gainsHelp-wanted indexMarket gainsEconomic recessionResearch expendituresJob marketHealth care expendituresDomestic productEconomic downturnRecent recessionEconomic driversRecessionCare expendituresAcademic ophthalmologistsLow demandExpenditureMarketMarketplace demandDemandDownturnEconomyApplicantsImpactGain
2009
The Immunoconjugate “Icon” Targets Aberrantly Expressed Endothelial Tissue Factor Causing Regression of Endometriosis
Krikun G, Hu Z, Osteen K, Bruner-Tran KL, Schatz F, Taylor HS, Toti P, Arcuri F, Konigsberg W, Garen A, Booth CJ, Lockwood CJ. The Immunoconjugate “Icon” Targets Aberrantly Expressed Endothelial Tissue Factor Causing Regression of Endometriosis. American Journal Of Pathology 2009, 176: 1050-1056. PMID: 20042667, PMCID: PMC2808107, DOI: 10.2353/ajpath.2010.090757.Peer-Reviewed Original ResearchConceptsEndothelial tissue factorTissue factorBlood vesselsCytolytic immune responseChoroidal blood vesselsAthymic mouse modelHealth care expendituresEndometriotic implantsChronic painEndometriotic lesionsSurgical interventionModulators of angiogenesisAntiangiogenic treatmentImmune responseVascular disruptionEffective treatmentMouse modelChoroidal tissueEndometriosisSolid tumorsTeratogenic effectsPathological vesselsEndothelial cellsMajor causeCare expendituresIndividual Decision Making in the Non-Purchase of Long-Term Care Insurance
Curry LA, Robison J, Shugrue N, Keenan P, Kapp MB. Individual Decision Making in the Non-Purchase of Long-Term Care Insurance. The Gerontologist 2009, 49: 560-569. PMID: 19491360, DOI: 10.1093/geront/gnp041.Peer-Reviewed Original ResearchConceptsLong-term care insuranceCare insuranceLong-term care expendituresPotential purchasersPrivate insurance companiesDesign of policiesMedicaid long-term care expendituresInsurance decisionsEconomic incentivesIndividual purchasesPolicy mechanismsCare expendituresInsurance companiesIndividual decisionsInsuranceIncentivesConsumer pointPurchasersPolicyDecisionsPrior researchPreferencesDecision makingPremiumExpenditure
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