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
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 patientsCarotid artery revascularization in patients with contralateral carotid artery occlusion: Stent or endarterectomy?
Nejim B, Aridi H, Locham S, Arhuidese I, Hicks C, Malas M. Carotid artery revascularization in patients with contralateral carotid artery occlusion: Stent or endarterectomy? Journal Of Vascular Surgery 2017, 66: 1735-1748.e1. PMID: 28666824, DOI: 10.1016/j.jvs.2017.04.055.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarotid StenosisChi-Square DistributionEndarterectomy, CarotidEndovascular ProceduresFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioProportional Hazards ModelsRegistriesRetrospective StudiesRisk FactorsSeverity of Illness IndexStentsTime FactorsTreatment OutcomeUnited StatesConceptsContralateral carotid artery occlusionCarotid artery occlusionCarotid artery stenting patientsCarotid artery stentingArtery occlusionCarotid endarterectomyRisk of strokeAsymptomatic patientsSymptomatic patientsHazard ratioOdds ratioHigh riskMultivariate logistic regression analysisContralateral carotid occlusionLog-rank testVascular Quality Initiative (VQI) registryCohort of patientsRisk of ipsilateral strokeCenters for MedicareShort-term outcomesCarotid artery revascularizationCarotid endarterectomy patientsHistory of strokeLogistic regression analysisCox proportional hazardsRacial 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 fistulaEndarterectomy versus stenting in patients with prior ipsilateral carotid artery stenting
Arhuidese I, Nejim B, Chavali S, Locham S, Obeid T, Hicks C, Malas M. Endarterectomy versus stenting in patients with prior ipsilateral carotid artery stenting. Journal Of Vascular Surgery 2017, 65: 1418-1428. PMID: 28190720, DOI: 10.1016/j.jvs.2016.11.041.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplastyCarotid StenosisChi-Square DistributionDatabases, FactualDisease-Free SurvivalEndarterectomy, CarotidFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPatient SelectionProportional Hazards ModelsRecurrenceRetreatmentRetrospective StudiesRisk AssessmentRisk FactorsStentsTime FactorsTreatment OutcomeConceptsCohort of patientsCarotid endarterectomyIpsilateral CAIn-stent restenosisPerioperative stroke/deathAsymptomatic patientsMyocardial infarctionNo significant differenceVascular Quality Initiative (VQI) databaseTreatment of in-stent restenosisSignificant differenceComplication of carotid angioplastyCox regression analysisCompare carotid endarterectomyAdverse event ratesIncreased risk of strokeCarotid artery stentingOverall stroke rateRisk of strokeSymptomatic patientsIV statusPostoperative strokeCase seriesKaplan-MeierPatient characteristics
2016
Stenting versus endarterectomy after prior ipsilateral carotid endarterectomy
Arhuidese I, Obeid T, Nejim B, Locham S, Hicks C, Malas M. Stenting versus endarterectomy after prior ipsilateral carotid endarterectomy. Journal Of Vascular Surgery 2016, 65: 1-11. PMID: 27707617, DOI: 10.1016/j.jvs.2016.07.115.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplastyCarotid StenosisChi-Square DistributionCranial Nerve InjuriesDatabases, FactualEndarterectomy, CarotidFemaleHumansKaplan-Meier EstimateMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPatient SelectionPropensity ScoreProportional Hazards ModelsRecurrenceReoperationRetrospective StudiesRisk FactorsStentsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsIpsilateral CEACohort of patientsCarotid endarterectomyMyocardial infarctionPatient characteristicsOutcomes of carotid revascularizationVascular Quality Initiative (VQI) databaseSuperiority of carotid endarterectomyAssociated with high mortalityCranial nerve injuryIpsilateral carotid endarterectomyCompare patient characteristicsCox regression analysisRedo carotid endarterectomyIncreased risk of strokeAccess site complicationsPopulation-based studyPopulation-based evaluationRisk of strokeIpsilateral eventsAsymptomatic patientsSymptomatic patientsPeriprocedural periodPostoperative strokeCAS patientsCarotid Revascularization in Asymptomatic Patients after Renal Transplantation
Arhuidese I, Craig-Schapiro R, Obeid T, Nejim B, Hicks C, Malas M. Carotid Revascularization in Asymptomatic Patients after Renal Transplantation. Annals Of Vascular Surgery 2016, 38: 130-135. PMID: 27522968, DOI: 10.1016/j.avsg.2016.06.008.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplastyCarotid Artery DiseasesChi-Square DistributionEndarterectomy, CarotidFemaleHumansIncidenceKaplan-Meier EstimateKidney TransplantationLogistic ModelsMaleMiddle AgedMyocardial InfarctionOdds RatioPropensity ScoreProportional Hazards ModelsRetrospective StudiesRisk AssessmentRisk FactorsStentsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsRenal transplant patientsCarotid artery stentingCox regression analysisTransplant patientsLong-term strokeCarotid endarterectomyCarotid revascularizationPerioperative strokeMyocardial infarctionRenal transplantationCarotid artery stenting cohortIncidence of perioperative complicationsCohort of renal transplant patientsChronic renal insufficiencyAssociated with increased riskAsymptomatic carotid artery stenosisRisk of periprocedural strokeRisk of perioperative strokeStroke-free survivalPropensity scoreSociety of Vascular SurgeryBaseline medical characteristicsUnited States Renal Data SystemBenefit of revascularizationCarotid artery stenosisOutcomes after carotid artery stenting in hemodialysis patients
Arhuidese I, Obeid T, Hicks C, Yin K, Canner J, Segev D, Malas M. Outcomes after carotid artery stenting in hemodialysis patients. Journal Of Vascular Surgery 2016, 63: 1511-1516. PMID: 27106247, DOI: 10.1016/j.jvs.2016.02.044.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAngioplastyCarotid Artery DiseasesChi-Square DistributionDatabases, FactualDisease-Free SurvivalFemaleHumansKidney DiseasesLogistic ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPatient SelectionProportional Hazards ModelsRenal DialysisRetrospective StudiesRisk AssessmentRisk FactorsStentsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsCarotid artery stentingHemodialysis patientsStudy of outcomesArtery stentingObservational study of outcomesCohort of hemodialysis patientsAsymptomatic dialysis patientsSingle-institution seriesMedian follow-upLong-term freedomPerceived poor outcomesLong-term outcomesPlanning carotid artery stentingLong-term survivalPopulation-based studyPredictors of strokeSymptomatic patientsPopulation-based study of outcomesPatient survivalRandomized studySymptomatic statusPoor outcomeFollow-upCox regressionDialysis patientsOutcomes after open infrainguinal bypass in patients with scleroderma
Arhuidese I, Malas M, Obeid T, Massada K, Khaled A, Alzahrani A, Samaha G, Reifsnyder T. Outcomes after open infrainguinal bypass in patients with scleroderma. Journal Of Vascular Surgery 2016, 64: 117-123. PMID: 27005756, DOI: 10.1016/j.jvs.2015.12.057.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAutograftsBaltimoreCritical IllnessFemaleGraft SurvivalHumansIschemiaKaplan-Meier EstimateLimb SalvageLower ExtremityMaleMiddle AgedMultivariate AnalysisPeripheral Arterial DiseaseProportional Hazards ModelsRetrospective StudiesRisk FactorsSaphenous VeinScleroderma, SystemicSeverity of Illness IndexTime FactorsTreatment OutcomeVascular GraftingVascular PatencyConceptsInfrainguinal bypass surgeryLong-term outcomesBypass surgerySystemic sclerosisGraft failureSociety for Vascular Surgery standardsScleroderma patientsArtery diseaseFollow-up durationStandard deviation ageCox regression analysisSevere peripheral arterial diseaseHistory of hypertensionLower extremity bypassCoronary artery diseaseLimb salvage rateCritical limb ischemiaPeripheral arterial diseaseDeviation ageReporting of outcomesKaplan-MeierPoor outcomeSalvage rateInfrainguinal bypassLimb ischemia
2014
Development of a duplex-derived velocity risk prediction model of disease progression in patients with moderate asymptomatic carotid artery stenosis
Hicks CW, Canner JK, Arhuidese I, Glebova NO, Schneider E, Qazi U, Perler B, Malas MB. Development of a duplex-derived velocity risk prediction model of disease progression in patients with moderate asymptomatic carotid artery stenosis. Journal Of Vascular Surgery 2014, 60: 1585-1592. PMID: 25238724, DOI: 10.1016/j.jvs.2014.08.056.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArea Under CurveAsymptomatic DiseasesBlood Flow VelocityCarotid Artery, CommonCarotid Artery, InternalCarotid StenosisChi-Square DistributionDecision Support TechniquesDisease ProgressionFemaleHumansMaleMiddle AgedMultivariate AnalysisPredictive Value of TestsProportional Hazards ModelsRegional Blood FlowRetrospective StudiesRisk AssessmentRisk FactorsROC CurveTime FactorsUltrasonography, Doppler, DuplexConceptsAsymptomatic carotid artery stenosisICA/CCA ratioCarotid artery stenosisInternal carotid arteryDisease progressionEnd-diastolic velocityPeak systolic velocityRisk prediction modelCCA ratioArtery stenosisSystolic velocityRisk factorsInitial peak systolic velocityProportional hazards regression modelsHigh-risk patientsRisk of progressionRisk-stratify patientsHazards regression modelsSignificant independent predictorsICA/CCACharacteristic curve analysisClinical prediction modelCarotid artery ratioIndependent predictorsDuplex imagingMortality 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 ageRisk of Disease Progression in Patients with Moderate Asymptomatic Carotid Artery Stenosis: Implications of Tobacco Use and Dual Antiplatelet Therapy
Hicks C, Talbott K, Canner J, Qazi U, Arhuidese I, Glebova N, Freischlag J, Perler B, Malas M. Risk of Disease Progression in Patients with Moderate Asymptomatic Carotid Artery Stenosis: Implications of Tobacco Use and Dual Antiplatelet Therapy. Annals Of Vascular Surgery 2014, 29: 1-8. PMID: 24530720, DOI: 10.1016/j.avsg.2014.02.007.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplastyAsymptomatic DiseasesBaltimoreCarotid StenosisChi-Square DistributionDisease ProgressionDrug Therapy, CombinationEndarterectomy, CarotidFemaleHumansIncidenceIschemic Attack, TransientLinear ModelsMaleMultivariate AnalysisPlatelet Aggregation InhibitorsPredictive Value of TestsProportional Hazards ModelsRetrospective StudiesRisk FactorsSeverity of Illness IndexSmokingStentsStrokeTertiary Care CentersTime FactorsTreatment OutcomeUltrasonography, Doppler, DuplexConceptsProgression to severe stenosisAsymptomatic carotid artery stenosisDual antiplatelet therapyCarotid artery stenosisDisease progressionRisk factorsSevere stenosisIncidence of symptomsAntiplatelet therapyArtery stenosisPatient populationMean follow-up timeRisk of disease progressionSevere diseaseCox proportional hazards regression modelsRisk of progressionProportional hazards regression modelsFollow-up timeCarotid artery duplexAll-cause mortalityHazards regression modelsImproved medical therapyTransient ischemic attackTobacco useAsymptomatic carotid disease