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 recipients
2018
Infrainguinal bypass surgery outcomes are worse in hemodialysis patients compared with patients with renal transplants
Arhuidese I, Nejim B, Locham S, Malas M. Infrainguinal bypass surgery outcomes are worse in hemodialysis patients compared with patients with renal transplants. Journal Of Vascular Surgery 2018, 69: 850-856. PMID: 30583904, DOI: 10.1016/j.jvs.2018.05.252.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlood Vessel Prosthesis ImplantationDatabases, FactualFemaleHumansKidney Failure, ChronicKidney TransplantationLimb SalvageLower ExtremityMaleMiddle AgedPeripheral Arterial DiseasePostoperative ComplicationsRenal DialysisRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular PatencyConceptsInfrainguinal bypass surgeryRenal transplantationRT patientsPatient survivalOutcome of infrainguinal bypass surgeryHD patientsBenefits of renal transplantationLimb salvageEnd-stage renal diseaseCox regression analysisLong-term outcomesEvaluate 30-dayRisk-adjusted analysisPopulation-based cohortCritical limb ischemiaU.S. Renal Data SystemRetrospective reviewBypass surgeryKaplan-MeierSurgery outcomesPatient-level riskRenal diseaseHemodialysis patientsLimb ischemiaPatientsOutcomes 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 bypassAggressive 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
Outcomes of Primary and Secondary Carotid Artery Stenting
Arhuidese I, Rizwan M, Nejim B, Malas M. Outcomes of Primary and Secondary Carotid Artery Stenting. Stroke 2017, 48: 3086-3092. PMID: 28974632, DOI: 10.1161/strokeaha.117.016963.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCarotid ArteriesDisease-Free SurvivalFemaleFollow-Up StudiesHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesStentsStrokeSurvival RateConceptsAssociated with significantly lower oddsSymptomatic patientsSignificantly lower oddsLower oddsIpsilateral carotid endarterectomyCox regression analysisOdds of hypotensionCarotid artery stentingVascular Quality InitiativeAsymptomatic patientsOdds of hypertensionKaplan-MeierPeriprocedural stroke/deathCAS proceduresPeriprocedural hypotensionArtery stentingCarotid angioplastyCarotid endarterectomyPatientsStroke/deathEvaluate outcomesOddsHypotensionBradycardiaStentRacial 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 patencyPerioperative Outcomes of Open versus Endovascular Repair for Ruptured Thoracoabdominal Aneurysms
Locham S, Grimm J, Arhuidese I, Nejim B, Obeid T, Black J, Malas M. Perioperative Outcomes of Open versus Endovascular Repair for Ruptured Thoracoabdominal Aneurysms. Annals Of Vascular Surgery 2017, 44: 128-135. PMID: 28501656, DOI: 10.1016/j.avsg.2017.02.015.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAortic Aneurysm, ThoracicAortic RuptureBlood Vessel Prosthesis ImplantationChi-Square DistributionComorbidityDatabases, FactualEndovascular ProceduresFemaleHumansLogistic ModelsMaleMultivariate AnalysisOdds RatioOperative TimePostoperative ComplicationsRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsOpen aneurysm repairEndovascular repairRenal failureAneurysm repairPostoperative outcomesPulmonary injuryNational Surgical Quality Improvement Program databaseRisk of renal failureQuality Improvement Program databaseRuptured thoracoabdominal aortic aneurysmThoracoabdominal aortic aneurysmsHigh-risk patient characteristicsEndovascular aneurysm repairAssociated with higher ratesTAAA repairPulmonary complicationsPerioperative outcomesCardiopulmonary complicationsEndovascular approachAortic aneurysmProgram databaseIdentified patientsContemporary outcomesPatient characteristicsOperative timeSartorius Muscle Flaps: Perioperative Outcomes Based on Surgical Specialty
Obeid T, Locham S, Arhuidese I, Nejim B, Aridi H, Malas M. Sartorius Muscle Flaps: Perioperative Outcomes Based on Surgical Specialty. Annals Of Vascular Surgery 2017, 43: 226-231. PMID: 28258021, DOI: 10.1016/j.avsg.2017.01.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBaltimoreChi-Square DistributionComorbidityFemaleGeneral SurgeryGroinHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisMuscle, SkeletalPostoperative ComplicationsRegistriesRetrospective StudiesRisk FactorsSpecializationSurgeonsSurgery, PlasticSurgical FlapsTime FactorsTreatment OutcomeVascular Surgical ProceduresWound HealingWounds and InjuriesConceptsSartorius muscle flapSurgery casesVascular surgeonsReintervention ratePerioperative outcomesPlastic surgeonsPrimary outcomeOperating surgeon’s preferenceOperating surgeon's specialtySurgical reintervention rateHistory of malignancySurgical specialtiesHigh-risk patientsVascular surgery casesEvaluate primary outcomesMultivariate logistic regression modelBody mass indexSeverely ill patientsPlastic surgery casesGeneral surgery casesSurgical reinterventionNoninfectious complicationsSurgeon specialtyComplication ratePatient-level factors
2016
Perioperative Outcomes of Thoracic Outlet Syndrome Surgical Repair in a Nationally Validated Database
Nejim B, Alshaikh H, Arhuidese I, Obeid T, Lum Y, Canner J, Locham S, Malas M. Perioperative Outcomes of Thoracic Outlet Syndrome Surgical Repair in a Nationally Validated Database. Angiology 2016, 68: 502-507. PMID: 28537129, DOI: 10.1177/0003319716677666.Peer-Reviewed Original ResearchConceptsThoracic outlet syndromeArterial TOSVenous TOSNeurogenic TOSAmerican College of Surgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseMedian in-hospital stayThoracic outlet syndrome typesVenous thoracic outlet syndromeTreatment of thoracic outlet syndromeNeurogenic thoracic outlet syndromeArterial thoracic outlet syndromeQuality Improvement Program databaseRib resection surgeryMedian operative timeIn-hospital stayNationally validated databasePropensity score matchingPerioperative outcomesSurgical repairPostoperative outcomesResection surgeryProgram databaseOperative timeAbdominal aortic aneurysm repair in octogenarians is associated with higher mortality compared with nonoctogenarians
Hicks C, Obeid T, Arhuidese I, Qazi U, Malas M. Abdominal aortic aneurysm repair in octogenarians is associated with higher mortality compared with nonoctogenarians. Journal Of Vascular Surgery 2016, 64: 956-965.e1. PMID: 27364946, DOI: 10.1016/j.jvs.2016.03.440.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAortic Aneurysm, AbdominalChi-Square DistributionComorbidityDatabases, FactualEndovascular ProceduresFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMultivariate AnalysisPatient SelectionPostoperative ComplicationsPrevalenceRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsOpen AAA repairEndovascular AAA repairAAA repairPerioperative mortalityHistory of aortic surgeryAbdominal aortic aneurysm (AAA) repairAbdominal aortic aneurysm repairPrevalence of congestive heart failureVascular Quality Initiative databaseContrast dye volumeAssociated with high mortalityInfrarenal AAA repairMortality outcomesAortic aneurysm repairChronic renal insufficiencyOne-year mortalityCongestive heart failureAortic surgeryRenal insufficiencyAneurysm repairBlood transfusionOctogenarian patientsIntraoperative differencesYounger patientsIntraoperative usePredictors of perioperative outcomes after carotid revascularization
Nejim B, Obeid T, Arhuidese I, Hicks C, Wang S, Canner J, Malas M. Predictors of perioperative outcomes after carotid revascularization. Journal Of Surgical Research 2016, 204: 267-273. PMID: 27565060, DOI: 10.1016/j.jss.2016.04.074.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCarotid ArteriesEndarterectomy, CarotidFemaleHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesStentsStrokeUnited StatesConceptsCarotid artery stentingPredictor of perioperative outcomesCarotid endarterectomyPerioperative outcomesAmerican College of Surgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databasePredictor of postoperative MIAmerican College of Surgeons National Surgical Quality Improvement ProgramSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramQuality Improvement Program databaseSurgical Quality Improvement ProgramMultivariate logistic regression analysisRisk of postoperative strokeOdds of reoperationPredictors of reoperationOutcomes of carotid endarterectomyCongestive heart failurePerioperative outcomes of carotid endarterectomyChronic obstructive pulmonary diseaseAssociated with higher oddsLogistic regression analysisObstructive pulmonary diseasePrevalence of diabetes
2015
Hospital-Level Factors Associated With Mortality After Endovascular and Open Abdominal Aortic Aneurysm Repair
Hicks C, Wick E, Canner J, Black J, Arhuidese I, Qazi U, Obeid T, Freischlag J, Malas M. Hospital-Level Factors Associated With Mortality After Endovascular and Open Abdominal Aortic Aneurysm Repair. JAMA Surgery 2015, 150: 632-636. PMID: 25970850, DOI: 10.1001/jamasurg.2014.3871.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAortic Aneurysm, AbdominalEndovascular ProceduresFemaleHospital MortalityHospitalsHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsSex FactorsTime FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsOpen AAA repairEndovascular AAA repairHospital typeAbdominal aortic aneurysmAssociated with mortalityAAA repairHospital-level factorsHospital-level effectsAmerican College of Surgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseFactors associated with mortalityAbdominal aortic aneurysm repairQuality Improvement Program databaseMortality ratioPredictor of reduced mortalityHospital effectsHospital sizeMultidisciplinary careAmerican CollegeModern careVariable hospitalAdequate accessHospitalImproved survival
2014
Design of the Revascularization With Open Bypass vs Angioplasty and Stenting of the Lower Extremity Trial (ROBUST): A Randomized Clinical Trial
Malas M, Qazi U, Glebova N, Arhuidese I, Reifsnyder T, Black J, Perler B, Freischlag J. Design of the Revascularization With Open Bypass vs Angioplasty and Stenting of the Lower Extremity Trial (ROBUST): A Randomized Clinical Trial. JAMA Surgery 2014, 149: 1289-1295. PMID: 25353642, DOI: 10.1001/jamasurg.2014.369.Peer-Reviewed Original ResearchConceptsReduce health care costsRandomized clinical trialsOpen bypassPercutaneous transluminal angioplastyCritical limb ischemiaHospital admission costsQuality-of-life questionnaireHealth care costsAnkle brachial indexQuality of lifeImprovement of quality of lifeEXTREME trialClinical trialsTransluminal angioplastyLimb ischemiaAmputation-free survivalTransAtlantic Inter-Society ConsensusCare costsRobust trialsFemoropopliteal bypassTASC II BSecondary aimAdmission costsBrachial indexSuperficial femoral artery lesionsPerioperative Mortality Following Repair of Abdominal Aortic Aneurysms: Application of a Randomized Clinical Trial to Real-World Practice Using a Validated Nationwide Data Set
Malas M, Arhuidese I, Qazi U, Black J, Perler B, Freischlag J. Perioperative Mortality Following Repair of Abdominal Aortic Aneurysms: Application of a Randomized Clinical Trial to Real-World Practice Using a Validated Nationwide Data Set. JAMA Surgery 2014, 149: 1260-1265. PMID: 25337871, DOI: 10.1001/jamasurg.2014.275.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement ProgramEndovascular aneurysm repairAbdominal aortic aneurysmInfrarenal abdominal aortic aneurysmRandomized clinical trialsPerioperative mortalityOpen repairClinical trialsAortic aneurysmAsymptomatic infrarenal abdominal aortic aneurysmVeterans Affairs Cooperative trialNational Surgical Quality Improvement Program cohortAmerican College of Surgeons National Surgical Quality Improvement ProgramSurgeons National Surgical Quality Improvement ProgramNSQIP databaseElective endovascular aneurysm repairRepair of abdominal aortic aneurysmsSurgical Quality Improvement ProgramCompare 30-day mortalityThirty-day mortalityHigh-risk patientsQuality Improvement ProgramProportion of patientsDay of surgeryIndividualized assessment of risk