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
Outcomes 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 recipientsAge-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
Outcomes of Infrainguinal Lower Extremity Bypass Are Superior in Kidney Transplant Recipients Than Patients with Dialysis
Nejim B, Hicks C, Arhuidese I, Locham S, Dakour-Aridi H, Malas M. Outcomes of Infrainguinal Lower Extremity Bypass Are Superior in Kidney Transplant Recipients Than Patients with Dialysis. Annals Of Vascular Surgery 2019, 63: 209-217. PMID: 31349053, DOI: 10.1016/j.avsg.2019.04.026.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalBlood Vessel Prosthesis ImplantationDatabases, FactualFemaleHumansKidney Failure, ChronicKidney TransplantationLimb SalvageLower ExtremityMaleMiddle AgedPeripheral Arterial DiseaseProgression-Free SurvivalRenal DialysisRetrospective StudiesRisk FactorsSaphenous VeinTime FactorsVascular PatencyConceptsLower extremity bypassEnd-stage renal diseaseKT recipientsPrimary patencyDialysis therapyAmputation-free survivalKidney transplantationVascular Quality Initiative databaseRisk-adjusted hazardsKidney transplant recipientsPositive effects of KTRisk of mortalityEffects of KTRisk of amputationLower-extremity bypassSurgical outcomesTransplant recipientsBaseline characteristicsBypass proceduresDialysis patientsRenal diseaseComparative efficacyKT groupDT groupPatientsVascular 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
Outcomes of lower extremity bypass surgery in patients with renal transplants
Arhuidese I, Nejim B, Craig-Schapiro R, Rizwan M, Malas M. Outcomes of lower extremity bypass surgery in patients with renal transplants. Journal Of Vascular Surgery 2018, 68: 1833-1840.e2. PMID: 30470370, DOI: 10.1016/j.jvs.2017.12.086.Peer-Reviewed Original ResearchMeSH KeywordsAgedBioprosthesisBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationFemaleHumansKidney TransplantationLimb SalvageLower ExtremityMaleMiddle AgedPeripheral Arterial DiseasePostoperative ComplicationsRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyVeinsConceptsOutcome of infrainguinal bypass surgeryInfrainguinal bypass surgeryPrimary assisted patencyRenal transplant patientsLong-term outcomesAssisted patencySecondary patencyTransplant patientsRenal transplantationProsthetic conduitLimb salvageBypass surgeryCohort of renal transplant patientsLower extremity bypass surgeryCox regression analysisEvaluate 30-dayMortality of patientsRisk-adjusted analysisUnited States Renal Data SystemPopulation-based cohortCritical limb ischemiaPopliteal-tibial bypassPrimary patencyRetrospective reviewAutogenous bypassUtilization, 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 riskCatheterAggressive infrainguinal revascularization in renal transplant patients is justifiable
Craig-Schapiro R, Nejim B, Arhuidese I, Malas M. Aggressive infrainguinal revascularization in renal transplant patients is justifiable. American Journal Of Transplantation 2018, 18: 1718-1725. PMID: 29288558, DOI: 10.1111/ajt.14636.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalFemaleFollow-Up StudiesHumansKidney Failure, ChronicKidney TransplantationLimb SalvageLower ExtremityMaleMiddle AgedPatient SelectionPostoperative ComplicationsPrognosisReoperationRetrospective StudiesRisk AssessmentRisk FactorsSurvival RateTime FactorsVascular GraftingVascular PatencyConceptsCritical limb ischemiaRenal transplant patientsTransplant patientsNontransplant patientsLimb ischemiaPrimary patencyInfrainguinal revascularizationRisk factorsMultivariate Cox regression analysisVascular Quality Initiative databaseEnd-stage renal diseaseDistal bypassCox regression analysisOutcomes of lower extremity revascularizationPrimary patency lossLower extremity revascularizationAmputation-free survivalLimb salvage outcomesAssociated with limb lossOverall survivalProsthetic conduitVein conduitPatency lossRenal diseaseInfrainguinal bypass
2017
Sex-based outcomes of lower extremity bypass surgery in hemodialysis patients
Arhuidese I, Kernodle A, Nejim B, Locham S, Hicks C, Malas M. Sex-based outcomes of lower extremity bypass surgery in hemodialysis patients. Journal Of Vascular Surgery 2017, 68: 153-160. PMID: 29276108, DOI: 10.1016/j.jvs.2017.10.063.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationChi-Square DistributionClinical Decision-MakingDatabases, FactualDisease-Free SurvivalFemaleGraft Occlusion, VascularHumansKaplan-Meier EstimateKidney DiseasesLimb SalvageLogistic ModelsLower ExtremityMaleMiddle AgedMultivariate AnalysisOdds RatioPeripheral Arterial DiseaseProportional Hazards ModelsProsthesis DesignRenal DialysisRetrospective StudiesRisk FactorsSex FactorsTime FactorsTreatment OutcomeVascular PatencyVeinsConceptsAcute graft failureAutogenous conduitGraft failureProsthetic conduitBypass surgeryHemodialysis patientsAssociated with higher patencyLimb salvagePrimary assisted patencySex-based outcomesInfrainguinal bypass surgeryLower extremity bypass surgeryCox regression analysisPatient survival ratesRisk-adjusted analysisUnited States Renal Data SystemCritical limb ischemiaAssisted patencySecondary patencyConduit usePrimary patencySurgical outcomesNo significant differenceKaplan-MeierComparing patientsLong-term outcomes after autogenous versus synthetic lower extremity bypass in patients on hemodialysis
Arhuidese I, Hicks C, Locham S, Obeid T, Nejim B, Malas M. Long-term outcomes after autogenous versus synthetic lower extremity bypass in patients on hemodialysis. Surgery 2017, 162: 1071-1079. PMID: 28712733, DOI: 10.1016/j.surg.2017.04.026.Peer-Reviewed Original ResearchConceptsLong-term outcomesBypass operationProsthetic conduitHemodialysis patientsAutogenous conduitLimb salvageHigh-risk population of patientsEvaluate long-term outcomesCohort of hemodialysis patientsPrimary-assisted patencyFemoral-tibialType of bypassCox regression analysisLower extremity bypassPopulation of patientsUnited States Renal Data SystemHigh-risk populationPatient's life expectancyPopulation-based cohortCritical limb ischemiaPopliteal-tibial bypassSecondary patencyPrimary patencyConduit optionsPostoperative outcomesRacial 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 patencyBovine 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
Contemporary Outcomes for Open Infrainguinal Bypass in the Endovascular Era
Reifsnyder T, Arhuidese I, Hicks C, Obeid T, Massada K, Khaled A, Qazi U, Malas M. Contemporary Outcomes for Open Infrainguinal Bypass in the Endovascular Era. Annals Of Vascular Surgery 2015, 30: 52-58. PMID: 26549809, DOI: 10.1016/j.avsg.2015.10.003.Peer-Reviewed Original ResearchConceptsPeripheral arterial diseaseInfrainguinal bypassLimb salvage rateCritical limb ischemiaGraft failureVein conduitSociety for Vascular Surgery standardsSalvage ratePredictors of graft failureLimb ischemiaAutogenous vein conduitPrimary-assisted patencySymptomatic peripheral arterial diseaseCohort of patientsMonitoring of high-risk groupsCox regression analysisLong-term outcomesSixty-five casesHigh-risk groupManagement of comorbiditiesLower-extremity revascularizationPrimary patencySecondary patencyRedo bypassAutogenous vein grafts