2021
Age-based outcomes of autogenous fistulas for hemodialysis access
Arhuidese I, King R, Elemuo C, Agbonkhese G, Calero A, Malas M. Age-based outcomes of autogenous fistulas for hemodialysis access. Journal Of Vascular Surgery 2021, 74: 1636-1642. PMID: 34298119, DOI: 10.1016/j.jvs.2021.06.477.Peer-Reviewed Original ResearchConceptsPrimary assisted patencySecondary patencyPopulation-based cohortAssisted patencyFistula maturationPrimary patencyAutogenous fistulasPatient survivalIncreasing agePopulation-based cohort of patientsUnited States Renal Database SystemArteriovenous access creationLog-rank testCohort of patientsCohort of HD patientsCox regression analysisRetrospective cohort studyRisk-adjusted analysisAccess maturationAccess creationPrimary assistedKaplan-MeierFistula useClinical statusHD access
2020
Arteriovenous Access superficialization: A New Technique and Review of Options
Fontenot D, Tanious A, Arhuidese I, Chauhan Y, Stafford A, Illig K. Arteriovenous Access superficialization: A New Technique and Review of Options. Annals Of Vascular Surgery 2020, 69: 43-51. PMID: 32479883, DOI: 10.1016/j.avsg.2020.05.020.Peer-Reviewed Original ResearchImpact of Body Mass Index on Outcomes of Autogenous Fistulas for Hemodialysis Access
Arhuidese I, Holscher C, Elemuo C, Parkerson G, Johnson B, Malas M. Impact of Body Mass Index on Outcomes of Autogenous Fistulas for Hemodialysis Access. Annals Of Vascular Surgery 2020, 68: 192-200. PMID: 32339695, DOI: 10.1016/j.avsg.2020.04.009.Peer-Reviewed Original ResearchConceptsBody mass indexImpact of body mass indexEnd-stage renal diseaseObesity class IObesity classAutogenous fistulasMass indexSpectrum of body mass indexPopulation-based cohort of patientsUnited States Renal Database SystemClass ILog-rank testCohort of patientsCox regression analysisPrevalence of obesityKaplan-Meier estimatesPopulation-based cohortTreatment of end-stage renal diseaseChi-square testAccess maturationNo significant differenceNormal weightRetrospective studyHemodialysis accessRenal diseaseOutcomes of autogenous fistulas and prosthetic grafts for hemodialysis access in diabetic and nondiabetic patients
Arhuidese I, Purohit A, Elemuo C, Parkerson G, Shames M, Malas M. Outcomes of autogenous fistulas and prosthetic grafts for hemodialysis access in diabetic and nondiabetic patients. Journal Of Vascular Surgery 2020, 72: 2088-2096. PMID: 32276026, DOI: 10.1016/j.jvs.2020.02.035.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArteriovenous Shunt, SurgicalBlood Vessel Prosthesis ImplantationDatabases, FactualDiabetic NephropathiesFemaleHumansKidney Failure, ChronicMaleMiddle AgedPostoperative ComplicationsRenal DialysisRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyConceptsProsthetic graft infectionAutogenous fistulasSecondary patencyProsthetic graftsNondiabetic patientsPopulation-based cohortGraft infectionPrimary patencyPrimary assistedHemodialysis accessPopulation-based cohort of patientsUnited States Renal Database SystemCohort of hemodialysis patientsPrimary fistula patencyPrimary assisted patencyLog-rank testKaplan-Meier analysisCohort of patientsCox regression analysisRetrospective cohort studyStudent's t-testEffects of diabetesProsthetic graft patencyAssisted patencyGraft recipientsRacial differences in utilization and outcomes of hemodialysis access in the Unites States
Arhuidese I, AJi E, Muhammad R, Dhaliwal J, Shukla A, Malas M. Racial differences in utilization and outcomes of hemodialysis access in the Unites States. Journal Of Vascular Surgery 2020, 71: 1664-1673. PMID: 32173190, DOI: 10.1016/j.jvs.2019.07.092.Peer-Reviewed Original ResearchConceptsAutogenous fistulasPatient survivalInitiation of HDProsthetic graftsPrimary-assistedSecondary patencyFistula maturationCatheter useHispanic patientsFistula placementHD accessAssociated with better patencyAssociated with worse patencyOutcomes of arteriovenous fistulaUnited States Renal Database SystemCohort of hemodialysisLog-rank testCox regression analysisRisk-adjusted oddsNo significant differenceArteriovenous fistulaGraft maturationKaplan-MeierRetrospective analysisHemodialysis accessAge-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
Hemodialysis and peritoneal dialysis access related outcomes in the pediatric and adolescent population
Arhuidese I, Wanogho J, Faateh M, Aji E, Rideout D, Malas M. Hemodialysis and peritoneal dialysis access related outcomes in the pediatric and adolescent population. Journal Of Pediatric Surgery 2019, 55: 1392-1399. PMID: 31784099, DOI: 10.1016/j.jpedsurg.2019.09.017.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentArteriovenous Shunt, SurgicalCatheterizationCathetersChildHumansPeritoneal DialysisRenal DialysisRetrospective StudiesUnited StatesConceptsArteriovenous fistulaPeritoneal dialysisHD cathetersCatheter useAssociated with better patencyUnited States Renal Database SystemAssociated with better survivalAssociated with high mortalityMultivariate Cox regressionRetrospective cohort studyPersistent useInitiation of HDHD to PDPD catheterCatheter survivalSecondary patencyPatients 0Pediatric patientsBetter survivalPrimary assistedRisk-adjusted mortalityPediatric populationRetrospective analysisTransplantation potentialDialysis accessGender-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 graftsCatheterVascular 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
Utilization, patency, and complications associated with vascular access for hemodialysis in the United States
Arhuidese I, Orandi B, Nejim B, Malas M. Utilization, patency, and complications associated with vascular access for hemodialysis in the United States. Journal Of Vascular Surgery 2018, 68: 1166-1174. PMID: 30244924, DOI: 10.1016/j.jvs.2018.01.049.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArteriovenous Shunt, SurgicalBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationCatheterization, Central VenousCatheter-Related InfectionsCentral Venous CathetersDatabases, FactualFemaleGraft Occlusion, VascularHumansMaleMedical AuditMedicareMiddle AgedPractice Patterns, Physicians'Prosthesis-Related InfectionsRenal DialysisRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyConceptsCatheter-free dialysisPrimary assisted patencyAutogenous fistulasPrimary patencyProsthetic graftsCatheter useAssisted patencySecondary patencySevere infectionsMedian time to maturationOutcome of vascular accessVascular accessAssociated with high mortalityLong-term hemodialysisComplications associated with vascular accessPatient survivalRetrospective studyAccess infectionFistula useGraft useHemodialysis cathetersFistulaCompare outcomesLow infection riskCatheterA 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
2015
Quality Improvement Targets for Regional Variation in Surgical End-Stage Renal Disease Care
Zarkowsky DS, Hicks CW, Arhuidese I, Canner JK, Obeid T, Qazi U, Schneider E, Abularrage CJ, Black JH, Freischlag JA, Malas MB. Quality Improvement Targets for Regional Variation in Surgical End-Stage Renal Disease Care. JAMA Surgery 2015, 150: 764-770. PMID: 26107005, DOI: 10.1001/jamasurg.2015.1126.Peer-Reviewed Original ResearchMeSH KeywordsAgedArteriovenous Shunt, SurgicalFemaleHumansIncidenceKidney Failure, ChronicMaleMiddle AgedQuality ImprovementRenal DialysisRetrospective StudiesRisk AdjustmentUnited StatesConceptsEnd-stage renal diseaseUS Renal Data SystemFirst hemodialysisNephrology careAVF accessMortality hazardEnd-stage renal disease careLogistic regressionCongestive heart failureRenal replacement therapyMultivariable logistic regressionArteriovenous fistula accessQuality improvement targetsPatient comorbiditiesHeart failurePatient characteristicsRenal diseaseDisease careESRD mortalityReplacement therapyFistula accessUnivariate analysisRetrospective analysisBest practice guidelinesMAIN OUTCOMEVascular access modifies the protective effect of obesity on survival in hemodialysis patients
Arhuidese I, Obeid T, Hicks C, Qazi U, Botchey I, Zarkowsky D, Reifsnyder T, Malas M. Vascular access modifies the protective effect of obesity on survival in hemodialysis patients. Surgery 2015, 158: 1628-1634. PMID: 26126794, DOI: 10.1016/j.surg.2015.04.036.Peer-Reviewed Original ResearchConceptsBody mass indexEnd-stage renal diseaseNormal body mass indexProtective effect of obesityHigher body mass indexEffect of obesityObesity paradoxProtective effect of increasing BMIEffect of increased BMIBody mass index statusMass indexHD accessProtective effectAssociated with lower mortalityPropensity score matching analysisSurvival of patientsScore matching analysisSurvival benefitImproved survivalRetrospective studyHemodialysis accessInitiate hemodialysisPatient backgroundRenal diseaseCox regressionRacial/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 utilizationTrends 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