2025
Predictors of late recurrence of colorectal cancer (CRC) among older long-term survivors using claims-based evidence.
Yasin F, Westvold S, Long J, Fan J, Hyslop T, Leeds I, Cecchini M, Gross C, Dinan M. Predictors of late recurrence of colorectal cancer (CRC) among older long-term survivors using claims-based evidence. Journal Of Clinical Oncology 2025, 43: 66-66. DOI: 10.1200/jco.2025.43.4_suppl.66.Peer-Reviewed Original ResearchCRC-specific mortalityAll-Cause MortalityCancer diagnosisColorectal cancerLong-term CRC survivorsNon-cancer related conditionsNon-metastatic colorectal cancerSEER-MedicareRisk of all-cause mortalityRecurrence of colorectal cancerColon cancerSEER-Medicare populationYear 5CRC survivorsSEER-Medicare databaseSurvivorship careRectal cancerFollow-up accountsColorectal cancer recurrenceMultiple co-morbiditiesMedicare claimsRetrospective cohort studyFine-Gray modelEstimate cumulative incidencePrimary risk factor
2024
Medicare Accountable Care Organization Treatment of Serious Mental Illness
Newton H, Colla C, Busch S, Tomaino M, Hardy B, Brunette M, Agravat D, Meara E. Medicare Accountable Care Organization Treatment of Serious Mental Illness. Medical Care 2024, 63: 123-132. PMID: 39616411, DOI: 10.1097/mlr.0000000000002102.Peer-Reviewed Original ResearchMedicare Accountable Care OrganizationsAccountable care organizationsFee-for-service Medicare claimsPatient-level qualityPrimary care needsMental health careMental health hospitalMental health needsTop tertileCross-sectional associationsFee-for-serviceCare needsUtilization outcomesFollow-upHealth needsCare organizationsMental illnessHealth careMedicare claimsHealth HospitalCardiovascular disease monitoringBottom tertileBeneficiary characteristicsStudy sampleCareAssociation between Device Manufacturer Payments to Surgeons and Minimally Invasive Glaucoma Surgery Utilization in the United States
Demkowicz P, Teng C, Liu J, Sarrafpour S. Association between Device Manufacturer Payments to Surgeons and Minimally Invasive Glaucoma Surgery Utilization in the United States. Ophthalmology Glaucoma 2024, 8: 206-208. PMID: 39537114, DOI: 10.1016/j.ogla.2024.11.002.Peer-Reviewed Original ResearchBenzodiazepine Utilization in Ischemic Stroke Survivors: Analyzing Initial Excess Supply and Longitudinal Trends
Torres V, Brooks J, Donahue M, Sun S, Hsu J, Price M, Blacker D, Schwamm L, Newhouse J, Haneuse S, Moura L. Benzodiazepine Utilization in Ischemic Stroke Survivors: Analyzing Initial Excess Supply and Longitudinal Trends. Stroke 2024, 55: 2694-2702. PMID: 39417222, PMCID: PMC11729356, DOI: 10.1161/strokeaha.124.047257.Peer-Reviewed Original ResearchConceptsIschemic stroke dischargesSkilled nursing facilityDays supplyMonths prior enrollmentUS Medicare claimsIschemic stroke survivorsPost-acute ischemic strokeIschemic strokeNursing facilitiesStroke survivorsStroke dischargesMedicare claimsBenzodiazepine initiationTraditional Medicare coverageMedicare coverageMedical insuranceBenzodiazepine prescriptionsExamined demographicsAcute ischemic strokeInitiation rateLongitudinal trendsPrescription patternsPart AHospital insurancePrescriptionFactors Underlying Reduced Hospitalizations for Myocardial Infarction During the COVID-19 Pandemic
Wilcock A, Zubizarreta J, Wadhera R, Yeh R, Zachrison K, Schwamm L, Mehrotra A. Factors Underlying Reduced Hospitalizations for Myocardial Infarction During the COVID-19 Pandemic. JAMA Cardiology 2024, 9: 914-920. PMID: 39083317, PMCID: PMC11292572, DOI: 10.1001/jamacardio.2024.2031.Peer-Reviewed Original ResearchHospital encountersAcute myocardial infarctionCare avoidanceShort-term acute careAcute myocardial infarction incidenceAcute myocardial infarction ratesTemporal trendsCOVID-19 pandemicPatient characteristicsTraditional Medicare claimsCross-sectional studyPandemic-related changesAMI incidenceCOVID-19 death ratesAcute careMyocardial infarctionMedicare claimsMain OutcomesExcess deathsExcess mortalityStudy samplePrepandemic levelsTraditional MedicareUnited StatesCOVID-19Characterizing the Rise in Dupilumab Prescriptions and Costs: A Medicare Part D Study
Torabi S, Patel R, Bitner B, Manes R, Kuan E. Characterizing the Rise in Dupilumab Prescriptions and Costs: A Medicare Part D Study. Otolaryngology 2024, 172: 353-355. PMID: 39248223, DOI: 10.1002/ohn.971.Peer-Reviewed Original ResearchCompeting risk analysis to estimate amputation incidence and risk in lower-extremity peripheral artery disease
Callegari S, Smolderen K, Cleman J, Mena-Hurtado C, Romain G. Competing risk analysis to estimate amputation incidence and risk in lower-extremity peripheral artery disease. Vascular Medicine 2024, 29: 496-506. PMID: 39219174, PMCID: PMC11575932, DOI: 10.1177/1358863x241268727.Peer-Reviewed Original ResearchChronic limb-threatening ischemiaAmputation riskTime-to-event analysisPeripheral arterial diseaseLower-extremity peripheral arterial diseaseCumulative incidence functionCompeting Risk AnalysisAmputation incidenceAmputation dataMedicare claimsLimb-threatening ischemiaVascular Quality Initiative registryMortality riskOutcomes researchPeripheral vascular interventionsArtery diseaseAmputationVascular outcomesCox regressionRiskMortalityCohortVascular interventionsTime-to-event methodsPatientsSurvival, Function, and Cognition After Hospitalization in Long-Term Acute Care Hospitals
Jain S, Gan S, Nguyen O, Sudore R, Steinman M, Covinsky K, Makam A. Survival, Function, and Cognition After Hospitalization in Long-Term Acute Care Hospitals. JAMA Network Open 2024, 7: e2413309. PMID: 38805226, PMCID: PMC11134219, DOI: 10.1001/jamanetworkopen.2024.13309.Peer-Reviewed Original ResearchConceptsHealth and Retirement StudyLong-term acute care hospitalHealth and Retirement Study interviewsActivities of daily livingAcute care hospitalsOlder adultsMiddle-agedCognitive statusLong-term acute care hospital admissionCare hospitalCohort studyAcute illnessAssociated with lower riskIncreased likelihood of deathAdverse outcomesLikelihood of deathMultivariate logistic regressionReceipt of mechanical ventilationSevere impairmentDaily livingRetirement StudyRetrospective cohort studyMedicare claimsLee index scoresMain OutcomesSocial Determinants of Health and Delivery of Rehabilitation to Older Adults During ICU Hospitalization
Jain S, Murphy T, Falvey J, Leo-Summers L, O’Leary J, Zang E, Gill T, Krumholz H, Ferrante L. Social Determinants of Health and Delivery of Rehabilitation to Older Adults During ICU Hospitalization. JAMA Network Open 2024, 7: e2410713. PMID: 38728030, PMCID: PMC11087837, DOI: 10.1001/jamanetworkopen.2024.10713.Peer-Reviewed Original ResearchConceptsSocial determinants of healthDeterminants of healthOccupational therapyPhysical therapyOlder adultsRural residentsIntensive care unit hospitalizationRehabilitation deliveryIntensive care unitSocial determinantsSocioeconomic disadvantageNational Health and Aging Trends StudyDelivery of physical therapyIllness hospitalizationFactors associated with lower oddsDelivery of rehabilitationIn-hospital rehabilitationMitigate functional declineMedicaid eligibilityBurden of disabilityHigh school educationDual MedicareTrends StudyMedicare claimsLength of stay
2023
Ibrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia
Huntington S, de Nigris E, Puckett J, Kamal-Bahl S, Farooqui M, Ryland K, Sarpong E, Leng S, Yang X, Doshi J. Ibrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia. Leukemia & Lymphoma 2023, 64: 2286-2295. PMID: 37870435, DOI: 10.1080/10428194.2023.2256911.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaIbrutinib discontinuationLymphocytic leukemiaHalf of patientsMonths of initiationElderly Medicare beneficiariesLarge unmet needPart D low-income subsidyLow-income subsidyCardiovascular comorbiditiesElderly patientsReal-world practiceIbrutinib treatmentLymphocytic lymphomaAdvanced ageClinical trialsMedical CenterMedicare claimsDiscontinuationHigh riskMedicare beneficiariesUnmet needPatientsLeukemiaTwo-thirdsMortality and Severe Complications Among Newly Graduated Surgeons in the United States
Howard R, Thelen A, Chen X, Gates R, Krumm A, Millis M, Gupta T, Brown C, Bandeh-Ahmadi H, Wnuk G, Yee C, Ryan A, Mukherjee B, Dimick J, George B. Mortality and Severe Complications Among Newly Graduated Surgeons in the United States. Annals Of Surgery 2023, 279: 555-560. PMID: 37830271, PMCID: PMC10939969, DOI: 10.1097/sla.0000000000006128.Peer-Reviewed Original ResearchConceptsYears of practiceSevere complicationsRelative riskGeneral surgeonsIndependent practiceYears of independent practiceCareer surgeonsRelative risk of mortalityAmerican Board of SurgerySurgeon yearsMixed modelsSurgeon characteristicsRate of mortalityMedicare claimsComplicationsSurgeonsPatient outcomesPatientsMortalityAmerican BoardOutcomesEstimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States.
Richman I, Long J, Soulos P, Wang S, Gross C. Estimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States. Annals Of Internal Medicine 2023, 176: 1172-1180. PMID: 37549389, PMCID: PMC10623662, DOI: 10.7326/m23-0133.Peer-Reviewed Original ResearchConceptsCumulative incidenceBreast cancerBreast cancer screeningUnscreened womenOlder womenCancer screeningBreast cancer-specific deathBreast cancer overdiagnosisService Medicare claimsRetrospective cohort studyCancer-specific deathBreast cancer deathsWomen 70 yearsHarms of overdiagnosisNational Cancer InstituteBreast cancer diagnosisCohort studyCancer overdiagnosisCancer deathSEER programMedicare claimsCancer InstituteOverdiagnosisGreater incidenceCancerAssessing unmet need among elderly Medicare Beneficiaries with Mantle cell lymphoma: an analysis of treatment patterns, survival, healthcare resource utilization, and costs
Squires P, Puckett J, Ryland K, Kamal-Bahl S, Raut M, Doshi J, Huntington S. Assessing unmet need among elderly Medicare Beneficiaries with Mantle cell lymphoma: an analysis of treatment patterns, survival, healthcare resource utilization, and costs. Leukemia & Lymphoma 2023, 64: 1752-1770. PMID: 37497877, DOI: 10.1080/10428194.2023.2234525.Peer-Reviewed Original ResearchConceptsHealthcare resource utilizationMantle cell lymphomaElderly patientsTreatment patternsCell lymphomaUnmet needLater linesNational Medicare claimsHalf of patientsHealth care utilizationElderly Medicare beneficiariesLarge unmet needReal-world outcomesCause hospitalizationOverall survivalCare utilizationHospitalization ratesNovel therapiesMedicare claimsL regimenHealthcare costsMedicare beneficiariesL treatmentPatientsLymphomaAssociation Between Claims‐Defined Frailty and Outcomes Following 30 Versus 12 Months of Dual Antiplatelet Therapy After Percutaneous Coronary Intervention: Findings From the EXTEND‐DAPT Study
Faridi K, Strom J, Kundi H, Butala N, Curtis J, Gao Q, Song Y, Zheng L, Tamez H, Shen C, Secemsky E, Yeh R. Association Between Claims‐Defined Frailty and Outcomes Following 30 Versus 12 Months of Dual Antiplatelet Therapy After Percutaneous Coronary Intervention: Findings From the EXTEND‐DAPT Study. Journal Of The American Heart Association 2023, 12: e029588. PMID: 37449567, PMCID: PMC10382113, DOI: 10.1161/jaha.123.029588.Peer-Reviewed Original ResearchConceptsExtended duration dual antiplatelet therapyDuration dual antiplatelet therapyNet adverse clinical eventsDual antiplatelet therapyAdverse clinical eventsPercutaneous coronary interventionCoronary interventionClinical eventsNonfrail patientsAntiplatelet therapyFrail patientsClaims dataMonths of DAPTClaims-based indexYears of ageMajor bleedingCause mortalityMultivariable adjustmentOlder patientsDAPT studyResults PatientsBackground FrailtyMyocardial infarctionClinical trialsMedicare claims
2021
Prognosis of Claims‐ Versus Trial‐Based Ischemic and Bleeding Events Beyond 1 Year After Coronary Stenting
Butala NM, Faridi KF, Secemsky EA, Song Y, Curtis J, Gibson CM, Kazi D, Shen C, Yeh RW. Prognosis of Claims‐ Versus Trial‐Based Ischemic and Bleeding Events Beyond 1 Year After Coronary Stenting. Journal Of The American Heart Association 2021, 10: e018744. PMID: 33682431, PMCID: PMC8174225, DOI: 10.1161/jaha.120.018744.Peer-Reviewed Original ResearchConceptsUnadjusted mortality ratesIschemic eventsDAPT studyMortality rateEnd pointCox proportional hazards modelPercutaneous coronary interventionProportional hazards modelCardiovascular clinical trialsTrial adjudicationBleeding eventsCathPCI RegistryCoronary interventionCoronary stentingSimilar prognosisPrognostic significanceClinical eventsClinical trialsMedicare claimsAdministrative claimsMortality riskHazards modelPatientsPrognosisDeathEnd-of-life patterns of symptom management and cancer-directed care among Medicare beneficiaries with lung cancer: a claims-based analysis
Davidoff AJ, Canavan ME, Prsic E, Saphire M, Wang SY, Presley CJ. End-of-life patterns of symptom management and cancer-directed care among Medicare beneficiaries with lung cancer: a claims-based analysis. Supportive Care In Cancer 2021, 29: 3921-3932. PMID: 33389087, DOI: 10.1007/s00520-020-05964-2.Peer-Reviewed Original ResearchConceptsCancer-directed therapySymptom management servicesLung cancerMedicare beneficiariesCare contentYounger ageEarlier hospice enrollmentLife care patternsLung cancer decedentsPercentage of patientsClaims-based analysisMethodsThis retrospective studyMost Medicare beneficiariesNonhospice settingsCancer decedentsUsual careHospice enrollmentSymptom managementRetrospective studyMedicare databaseSkilled nursingHigh comorbidityCare intensityMedicare claimsMultinomial logistic regression
2020
D‐CARE: The Dementia Care Study: Design of a Pragmatic Trial of the Effectiveness and Cost Effectiveness of Health System–Based Versus Community‐Based Dementia Care Versus Usual Dementia Care
Reuben DB, Gill TM, Stevens A, Williamson J, Volpi E, Lichtenstein M, Jennings LA, Tan Z, Evertson L, Bass D, Weitzman L, Carnie M, Wilson N, Araujo K, Charpentier P, Meng C, Greene EJ, Dziura J, Liu J, Unger E, Yang M, Currie K, Lenoir KM, Green A, Abraham S, Vernon A, Samper‐Ternent R, Raji M, Hirst RM, Galloway R, Finney GR, Ladd I, Rahm AK, Borek P, Peduzzi P. D‐CARE: The Dementia Care Study: Design of a Pragmatic Trial of the Effectiveness and Cost Effectiveness of Health System–Based Versus Community‐Based Dementia Care Versus Usual Dementia Care. Journal Of The American Geriatrics Society 2020, 68: 2492-2499. PMID: 32949145, PMCID: PMC8086629, DOI: 10.1111/jgs.16862.Peer-Reviewed Original ResearchConceptsCommunity-based dementia careUsual careClinical trial sitesDementia careHealth systemCaregiver unmet needsNursing home placement ratesClinical health systemsDementia care specialistsUnit of randomizationQuality of lifeCost effectivenessDementia Care StudyPrimary outcomeClinical benefitSuperiority trialFunctional statusPragmatic trialCaregiver dyadsCare specialistsComprehensive careCaregiver distressCare studiesMedicare claimsNurse practitionersCohort Profile: The Precipitating Events Project (PEP Study)
Gill T, Han L, Gahbauer EA, Leo-Summers L, Murphy TE. Cohort Profile: The Precipitating Events Project (PEP Study). The Journal Of Nutrition, Health & Aging 2020, 24: 438-444. PMID: 32242212, PMCID: PMC7322244, DOI: 10.1007/s12603-020-1341-4.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsPrecipitating Events ProjectPEP studyComprehensive home-based assessmentsEpidemiology of disabilityAge 70 yearsHealth care utilizationGreater New HavenLarge health planParticipant-level dataHome-based assessmentEnd of lifeCare utilizationDeath certificatesMedicare claimsDepressive symptomsOngoing longitudinal studyDisabling processEligible membersOlder personsHealth plansLongitudinal studyMethodologic researchCompletion ratesOriginal reportQualified investigatorsSafety and Outcomes of Intravenous tPA in Acute Ischemic Stroke Patients With Prior Stroke Within 3 Months
Shah S, Liang L, Kosinski A, Hernandez A, Schwamm L, Smith E, Fonarow G, Bhatt D, Feng W, Peterson E, Xian Y. Safety and Outcomes of Intravenous tPA in Acute Ischemic Stroke Patients With Prior Stroke Within 3 Months. Circulation Cardiovascular Quality And Outcomes 2020, 13: e006031. PMID: 31903770, DOI: 10.1161/circoutcomes.119.006031.Peer-Reviewed Original ResearchMeSH KeywordsAdministrative Claims, HealthcareAgedAged, 80 and overBrain IschemiaDatabases, FactualFemaleFibrinolytic AgentsHospital MortalityHumansInfusions, IntravenousIntracranial HemorrhagesMaleMedicareRecurrenceRegistriesRetrospective StudiesRisk AssessmentRisk FactorsStrokeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorTreatment OutcomeUnited StatesConceptsAcute ischemic stroke patientsPrior ischemic strokeSymptomatic intracranial hemorrhageIschemic stroke patientsPrior strokeHospital mortalityIntravenous tPAIschemic strokeIntracranial hemorrhageStroke patientsGuidelines-Stroke hospitalsHigher stroke severityGood functional outcomeHistory of strokeRetrospective observational studyYears of ageCardiovascular comorbiditiesStroke providersStroke severityUnadjusted riskFunctional outcomeHigh prevalenceObservational studyMedicare claimsElevated risk
2019
Hospital Factors Associated With Interhospital Transfer Destination for Stroke in the Northeast United States
Zachrison K, Onnela J, Reeves M, Hernandez A, Camargo C, Zhao X, Matsouaka R, Goldstein J, Metlay J, Schwamm L. Hospital Factors Associated With Interhospital Transfer Destination for Stroke in the Northeast United States. Journal Of The American Heart Association 2019, 9: e011575. PMID: 31888430, PMCID: PMC6988147, DOI: 10.1161/jaha.118.011575.Peer-Reviewed Original ResearchMeSH KeywordsCatchment Area, HealthDatabases, FactualDelivery of Health Care, IntegratedFibrinolytic AgentsHospitalsHospitals, High-VolumeHospitals, Low-VolumeHumansMedicarePatient TransferPractice Patterns, Physicians'Quality Indicators, Health CareRetrospective StudiesStrokeThrombolytic TherapyTissue Plasminogen ActivatorUnited StatesConceptsAcute ischemic strokeAlteplase administrationIschemic strokeUS hospitalsHospital qualityHospital stroke volumeTransfer destinationsHospital referral regionsHospital factorsNumber of hospitalsStroke patientsHospital characteristicsStroke volumeMedicare claimsReferral regionsHospitalLogistic regressionStrokePatientsHospital performancePotential strategyAdministrationHome timeResult dataConnected dyads
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply