2020
Age-related outcomes of arteriovenous grafts for hemodialysis access
Arhuidese I, Beaulieu R, Aridi H, Locham S, Baldwin E, Malas M. Age-related outcomes of arteriovenous grafts for hemodialysis access. Journal Of Vascular Surgery 2020, 72: 643-650. PMID: 32067881, DOI: 10.1016/j.jvs.2019.10.096.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overArteriovenous Shunt, SurgicalBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationDatabases, FactualDevice RemovalFemaleGraft Occlusion, VascularHumansKidney Failure, ChronicMaleMiddle AgedProsthesis-Related InfectionsRenal DialysisReoperationRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVascular PatencyConceptsPrimary assisted patencyPopulation-based cohortGraft infectionAssisted patencySecondary patencyPrimary patencyNo significant differenceArteriovenous graftsHemodialysis accessOutcomes of arteriovenous graftsAge-related outcomesOlder age categoriesCohort of hemodialysis patientsProsthetic graft infectionArteriovenous graft placementEnd-stage renal diseaseLog-rank testPrevalence of end-stage renal diseaseKaplan-Meier analysisSignificant differenceCox regression analysisRetrospective cohort studyOlder ageGraft excisionU.S. Renal Data System
2019
Vascular access for hemodialysis in the elderly
Arhuidese I, Cooper M, Rizwan M, Nejim B, Malas M. Vascular access for hemodialysis in the elderly. Journal Of Vascular Surgery 2019, 69: 517-525.e1. PMID: 30683199, DOI: 10.1016/j.jvs.2018.05.219.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overArteriovenous Shunt, SurgicalBlood Vessel Prosthesis ImplantationCatheterization, Central VenousClinical Decision-MakingDatabases, FactualFemaleGraft Occlusion, VascularHumansKidney Failure, ChronicLife ExpectancyMalePatient SelectionQuality of LifeRenal DialysisRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyConceptsArteriovenous fistulaArteriovenous graftsElderly patientsPopulation-based cohort of elderly patientsHD cathetersMedian time to maturationOutcomes of arteriovenous fistulaUnited States Renal Database SystemCohort of elderly patientsMultivariate Cox regression analysisCatheter-free dialysisPre-emptive surgeryPrimary assisted patencyKaplan-Meier analysisCox regression analysisStudent's t-testPopulation-based cohortAssisted patencyTolerate surgerySecondary patencyPrimary patencySurgical riskModes of HDConduit patencyRetrospective analysis
2018
A prospective randomized study of bovine carotid artery biologic graft and expanded polytetrafluoroethylene for permanent hemodialysis access
Dakour Aridi H, Arhuidese I, Scudder M, Reifsnyder T, Malas M. A prospective randomized study of bovine carotid artery biologic graft and expanded polytetrafluoroethylene for permanent hemodialysis access. Journal Of Vascular Surgery 2018, 67: 1606-1612.e4. PMID: 29567027, DOI: 10.1016/j.jvs.2017.12.058.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAnimalsArteriovenous Shunt, SurgicalBaltimoreBlood Vessel ProsthesisCarotid ArteriesCattleClinical ProtocolsHeterograftsHumansKaplan-Meier EstimatePolytetrafluoroethyleneProportional Hazards ModelsProspective StudiesProsthesis DesignRenal DialysisResearch DesignTime FactorsTreatment OutcomeConceptsPermanent hemodialysis accessArteriovenous fistulaNative arteriovenous fistulaArteriovenous graftsBovine carotid arteryHemodialysis accessBiological graftsMultivariate Cox proportional regression analysisNational Kidney Foundation Kidney Disease Outcomes Quality Initiative guidelinesKidney Disease Outcomes Quality Initiative guidelinesKidney Foundation Kidney Disease Outcomes Quality Initiative guidelinesCox proportional regression analysisArteriovenous graft creationAVG placementEnd-stage renal diseasePrimary end pointTreatment of patientsVascular access patientsSynthetic arteriovenous graftsHistory of intoleranceYears of ageRandomized controlled trialsAcademic hospital centerReintervention rateFunctional patency
2017
Bovine carotid artery biologic graft outperforms expanded polytetrafluoroethylene for hemodialysis access
Arhuidese I, Reifsnyder T, Islam T, Karim O, Nejim B, Obeid T, Qazi U, Malas M. Bovine carotid artery biologic graft outperforms expanded polytetrafluoroethylene for hemodialysis access. Journal Of Vascular Surgery 2017, 65: 775-782. PMID: 28236920, DOI: 10.1016/j.jvs.2016.10.080.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnimalsBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationBody Mass IndexCarotid ArteriesCattleChi-Square DistributionFemaleGraft Occlusion, VascularGraft SurvivalHeterograftsHumansHyperlipidemiasKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisObesityOdds RatioPolytetrafluoroethyleneProportional Hazards ModelsProsthesis DesignRenal DialysisRetreatmentRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeVascular PatencyConceptsPrimary assisted patencyCohort of patientsSecondary patencyBovine carotid arteryHemodialysis accessAssisted patencyBiological graftsArteriovenous graftsPredictors of graft failureSingle-institution retrospective reviewGraft infection rateHigher body mass indexLog-rank testAccess-related complicationsCox regression analysisPermanent hemodialysis accessMultivariate logistic analysisCharacteristics of patientsBody mass indexSociety for Vascular SurgeryEPTFE graftsPrimary patencyRetrospective reviewGraft complicationsArteriovenous fistula
2015
Trends in Incident Hemodialysis Access and Mortality
Malas MB, Canner JK, Hicks CW, Arhuidese IJ, Zarkowsky DS, Qazi U, Schneider EB, Black JH, Segev DL, Freischlag JA. Trends in Incident Hemodialysis Access and Mortality. JAMA Surgery 2015, 150: 441-448. PMID: 25738981, DOI: 10.1001/jamasurg.2014.3484.Peer-Reviewed Original ResearchConceptsEnd-stage renal diseaseHemodialysis cathetersArteriovenous fistulaArteriovenous graftsLower mortalityRenal diseaseVascular accessHD outcomesNational Kidney Foundation Kidney Disease Outcomes Quality InitiativeKidney Foundation Kidney Disease Outcomes Quality InitiativeMultivariable Cox proportional hazards modelsPrior renal replacement therapyUS Renal Data SystemCox proportional hazards modelArteriovenous fistula useIncident HD patientsInitiation of hemodialysisRetrospective cohort studyRenal replacement therapyProportional hazards modelFistula useCohort studySurvival benefitHD patientsPropensity score-matching technique
2014
Mortality benefits of different hemodialysis access types are age dependent
Hicks C, Canner J, Arhuidese I, Zarkowsky D, Qazi U, Reifsnyder T, Black J, Malas M. Mortality benefits of different hemodialysis access types are age dependent. Journal Of Vascular Surgery 2014, 61: 449-456. PMID: 25175630, DOI: 10.1016/j.jvs.2014.07.091.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overArteriovenous Shunt, SurgicalCatheterization, Central VenousCatheters, IndwellingCentral Venous CathetersChi-Square DistributionFemaleHumansMaleMiddle AgedMultivariate AnalysisPatient SelectionProportional Hazards ModelsRenal DialysisRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsArteriovenous fistulaArteriovenous graftsHemodialysis cathetersMortality benefitDialysis accessBenefits of arteriovenous fistulasPredictor of overall mortalityCox proportional hazards modelsEffects of ageAge groupsUnited States Renal Data SystemRisk of deathAccess typeYears of ageProportional hazards modelHemodialysis access typePatient ageHemodialysis initiationRisk-adjusted mortalityOverall mortalityDialysis patientsPatientsHazards modelSpline modelIncreasing age