2019
Gender-Based Utilization and Outcomes of Autogenous Fistulas and Prosthetic Grafts for Hemodialysis Access
Arhuidese I, Faateh M, Meshkin R, Calero A, Shames M, Malas M. Gender-Based Utilization and Outcomes of Autogenous Fistulas and Prosthetic Grafts for Hemodialysis Access. Annals Of Vascular Surgery 2019, 65: 196-205. PMID: 31626935, DOI: 10.1016/j.avsg.2019.08.083.Peer-Reviewed Original ResearchMeSH KeywordsAgedArteriovenous Shunt, SurgicalBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationDatabases, FactualFemaleGraft Occlusion, VascularHealthcare DisparitiesHumansKidney Failure, ChronicMaleMiddle AgedPractice Patterns, Physicians'Prosthesis-Related InfectionsRenal DialysisRetrospective StudiesRisk FactorsSex FactorsTime FactorsTreatment OutcomeVascular PatencyConceptsArteriovenous fistulaHD cathetersPatient survivalAssociated with lower patencyOutcomes of arteriovenous fistulaMultivariate Cox regression analysisCohort of hemodialysisArteriovenous fistula maturationCox regression analysisLow patencyInitiation of HDRisk-adjusted analysisUnited States Renal Data SystemPopulation-based cohortPrimary-assistedAccess maturationAutogenous fistulasAVF maturationNo significant differenceConduit patencyKaplan-MeierHD accessRetrospective analysisProsthetic graftsCatheter
2017
Regional 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 characteristicsRacial disparities after infrainguinal bypass surgery in hemodialysis patients
Arhuidese I, Wang S, Locham S, Faateh M, Nejim B, Malas M. Racial disparities after infrainguinal bypass surgery in hemodialysis patients. Journal Of Vascular Surgery 2017, 66: 1163-1174. PMID: 28647200, DOI: 10.1016/j.jvs.2017.04.044.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalBlack or African AmericanBlood Vessel Prosthesis ImplantationChi-Square DistributionDatabases, FactualFemaleHealthcare DisparitiesHispanic or LatinoHumansKaplan-Meier EstimateKidney DiseasesLimb SalvageLogistic ModelsMaleMedicareMiddle AgedMultivariate AnalysisOdds RatioPeripheral Arterial DiseasePostoperative ComplicationsProcess Assessment, Health CarePropensity ScoreProportional Hazards ModelsRenal DialysisRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyWhite PeopleConceptsInfrainguinal bypass surgeryGraft failureHD patientsPeripheral arterial diseaseLimb salvageBypass surgeryEvaluate long-term graft patencyArtery diseaseWhite patientsGraft patencyBlack patientsSurgical treatment of peripheral arterial diseaseLong-term graft failurePrimary assisted patencyAcute graft failureCox regression analysisLong-term mortalityLong-term graft patencyAll-cause mortalityLimb lossTreatment of peripheral arterial diseasePopliteal-tibial bypassAssisted patencyPrimary patencySecondary patency
2016
Racial disparities after vascular trauma are age-dependent
Hicks C, Canner J, Zarkowsky D, Arhuidese I, Obeid T, Malas M. Racial disparities after vascular trauma are age-dependent. Journal Of Vascular Surgery 2016, 64: 418-424. PMID: 26993377, DOI: 10.1016/j.jvs.2016.01.049.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAmputation, SurgicalBlack or African AmericanChi-Square DistributionFemaleHealth Status DisparitiesHealthcare DisparitiesHospital MortalityHumansLimb SalvageMaleMiddle AgedMultivariate AnalysisOdds RatioRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular System InjuriesWhite PeopleWounds, PenetratingYoung AdultConceptsRacial disparitiesBlack patientsAge groupsRisk adjustmentWhite patientsOlder black patientsRisk of amputationSignificant racial disparitiesTrauma patientsCompare in-hospital mortalityNationwide Inpatient SampleYoung black patientsOlder age groupsRisk of deathYoung white patientsInternational ClassificationIn-hospital mortalityEffects of raceOlder populationWhite counterpartsInpatient SampleTrauma populationVascular traumaAmputationEdition codes
2015
Racial/Ethnic Disparities Associated With Initial Hemodialysis Access
Zarkowsky DS, Arhuidese IJ, Hicks CW, Canner JK, Qazi U, Obeid T, Schneider E, Abularrage CJ, Freischlag JA, Malas MB. Racial/Ethnic Disparities Associated With Initial Hemodialysis Access. JAMA Surgery 2015, 150: 529-536. PMID: 25923973, DOI: 10.1001/jamasurg.2015.0287.Peer-Reviewed Original ResearchConceptsMedical insurance statusEnd-stage renal diseaseUS Renal Data SystemInitial hemodialysis accessWhite patientsArteriovenous fistulaBlack patientsHispanic patientsRace/ethnicityNephrology careInsurance statusRenal diseaseHemodialysis accessChronic obstructive pulmonary diseaseLogistic regressionMore white patientsInfluence of comorbiditiesObstructive pulmonary diseaseRacial/Ethnic DisparitiesCoronary artery diseaseCategory of patientsMultivariable logistic regressionPatterns of utilizationDifferent races/ethnicitiesFistula utilization