2018
Comparing the efficacy of shunting approaches and cerebral monitoring during carotid endarterectomy using a national database
Wiske C, Arhuidese I, Malas M, Patterson R. Comparing the efficacy of shunting approaches and cerebral monitoring during carotid endarterectomy using a national database. Journal Of Vascular Surgery 2018, 68: 416-425. PMID: 29571621, DOI: 10.1016/j.jvs.2017.11.077.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlood Pressure DeterminationCarotid Artery DiseasesCerebrovascular CirculationChi-Square DistributionDatabases, FactualElectroencephalographyEndarterectomy, CarotidFemaleHospital MortalityHumansIntraoperative Neurophysiological MonitoringLength of StayLogistic ModelsMaleMonitoring, IntraoperativeMultivariate AnalysisOdds RatioPractice Patterns, Physicians'Retrospective StudiesRisk FactorsStrokeSurgeonsTime FactorsTreatment OutcomeUnited StatesConceptsRate of in-hospital deathIn-hospital deathShunt groupPractice patternsRoutine shuntingCerebral monitoringReturn to the operating roomRisk factorsPostoperative length of stayVascular Quality Initiative databaseShorter postoperative length of stayPressure monitoringVascular Quality Initiative registryMultivariate logistic regression modelCerebral monitoring techniquesRisk-adjusted analysisPatient risk factorsMonitoring groupLow-frequency outcomesRate of strokeNational databaseLength of stayConcomitant proceduresSurgical approachRe-exploration
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 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 timeBovine 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 fistulaConcurrent renal artery stent during endovascular infrarenal aortic aneurysm repair confers higher risk for 30-day acute renal failure
Nejim B, Arhuidese I, Rizwan M, Khalil L, Locham S, Zarkowsky D, Goodney P, Malas M. Concurrent renal artery stent during endovascular infrarenal aortic aneurysm repair confers higher risk for 30-day acute renal failure. Journal Of Vascular Surgery 2017, 65: 1080-1088. PMID: 28222985, PMCID: PMC5960977, DOI: 10.1016/j.jvs.2016.10.112.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedAged, 80 and overAngioplastyAortic Aneurysm, AbdominalChi-Square DistributionEndovascular ProceduresFemaleHumansLogistic ModelsMaleMultivariate AnalysisOdds RatioRegistriesRenal Artery ObstructionRetrospective StudiesRisk AssessmentRisk FactorsStentsTime FactorsTreatment OutcomeUnited StatesConceptsInfrarenal abdominal aortic aneurysmAcute renal failureEndovascular aneurysm repairAbdominal aortic aneurysmGlomerular filtration rateRenal outcomesAneurysm repairRenal failureFiltration rateDevelopment of acute renal failureAmerican College of Surgeons National Surgical Quality Improvement ProgramPostoperative acute renal failureSurgeons National Surgical Quality Improvement ProgramInfrarenal aortic aneurysm repairNational Surgical Quality Improvement ProgramRuptured abdominal aortic aneurysmBaseline characteristics of patientsProportion of female patientsSurgical Quality Improvement ProgramMultivariate logistic regression analysisPerioperative renal outcomeAdverse renal outcomesAortic aneurysm repairRenal artery angioplastyProportion of patientsEndarterectomy 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
Carotid 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 stenosisRacial disparities after vascular trauma are age-dependent
Hicks C, Canner J, Zarkowsky D, Arhuidese I, Obeid T, Malas M. Racial disparities after vascular trauma are age-dependent. Journal Of Vascular Surgery 2016, 64: 418-424. PMID: 26993377, DOI: 10.1016/j.jvs.2016.01.049.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAmputation, SurgicalBlack or African AmericanChi-Square DistributionFemaleHealth Status DisparitiesHealthcare DisparitiesHospital MortalityHumansLimb SalvageMaleMiddle AgedMultivariate AnalysisOdds RatioRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular System InjuriesWhite PeopleWounds, PenetratingYoung AdultConceptsRacial disparitiesBlack patientsAge groupsRisk adjustmentWhite patientsOlder black patientsRisk of amputationSignificant racial disparitiesTrauma patientsCompare in-hospital mortalityNationwide Inpatient SampleYoung black patientsOlder age groupsRisk of deathYoung white patientsInternational ClassificationIn-hospital mortalityEffects of raceOlder populationWhite counterpartsInpatient SampleTrauma populationVascular traumaAmputationEdition codes
2015
Beta-blocker use is associated with lower stroke and death after carotid artery stenting
Obeid T, Arhuidese I, Gaidry A, Qazi U, Abularrage C, Goodney P, Cronenwett J, Malas M. Beta-blocker use is associated with lower stroke and death after carotid artery stenting. Journal Of Vascular Surgery 2015, 63: 363-369. PMID: 26526052, PMCID: PMC5292260, DOI: 10.1016/j.jvs.2015.08.108.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdrenergic beta-AntagonistsAdultAgedAged, 80 and overAngioplastyCarotid Artery DiseasesChi-Square DistributionDatabases, FactualFemaleHemodynamicsHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioProtective FactorsRetrospective StudiesRisk AssessmentRisk FactorsStentsStrokeTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsCarotid artery stentingBeta-blocker usePostprocedural hypertensionPostprocedural hypotensionBeta-blockersArtery stentingAssociated with postprocedural hypotensionEffect of preoperative medicationOutcomes of carotid artery stentingPredictors of postoperative strokeAssociated with lower strokeSelection of patientsMultivariate logistic regression modelDistal embolic protection useVascular Quality InitiativeMyocardial infarction rateGranular clinical dataMultiple controlled trialsPreoperative medicationsPostoperative strokeBeta blockersPeriprocedural stroke/deathStroke/death rateLogistic regression modelsStroke/death riskPoststent ballooning is associated with increased periprocedural stroke and death rate in carotid artery stenting
Obeid T, Arnaoutakis D, Arhuidese I, Qazi U, Abularrage C, Black J, Perler B, Malas M. Poststent ballooning is associated with increased periprocedural stroke and death rate in carotid artery stenting. Journal Of Vascular Surgery 2015, 62: 616-623.e1. PMID: 26033011, DOI: 10.1016/j.jvs.2015.03.069.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAngioplasty, BalloonCarotid StenosisChi-Square DistributionDatabases, FactualFemaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPatient SelectionRetrospective StudiesRisk AssessmentRisk FactorsSeverity of Illness IndexStentsStrokeTime FactorsTreatment OutcomeYoung AdultConceptsCarotid artery stentingCarotid endarterectomyHemodynamic depressionPerioperative strokeArtery stentingVascular Quality Initiative databaseApplication of carotid artery stentingAge of patientsIncreased perioperative riskIpsilateral CEASevere residual stenosisDeath rateCarotid artery lesionsLogistic regression analysisDegree of stenosisComplication rateSurgical riskPatient agePreoperative medicationsPerioperative riskRetrospective analysisSymptomatic statusIntraoperative techniquesResidual stenosisComparison to carotid endarterectomyThe Age Effect in Increasing Operative Mortality following Delay in Elective Abdominal Aortic Aneurysm Repair
Arhuidese I, Salami A, Obeid T, Qazi U, Abularrage C, Black J, Perler B, Malas M. The Age Effect in Increasing Operative Mortality following Delay in Elective Abdominal Aortic Aneurysm Repair. Annals Of Vascular Surgery 2015, 29: 1181-1187. PMID: 26004950, DOI: 10.1016/j.avsg.2015.03.041.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAortic Aneurysm, AbdominalChi-Square DistributionDatabases, FactualElective Surgical ProceduresEndovascular ProceduresFemaleHumansLinear ModelsLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioRisk FactorsTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsAbdominal aortic aneurysm repairAbdominal aortic aneurysmOpen repairPerioperative mortalityAneurysm repairAmerican College of Surgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseAsymptomatic infrarenal abdominal aortic aneurysmNational Surgical Quality Improvement Program databaseOdds of operative deathInfrarenal abdominal aortic aneurysmQuality Improvement Program databaseRisk of perioperative mortalityIncreased operative mortalityAbdominal aneurysm repairEndovascular aneurysm repairIncreased operative riskMultivariate logistic regressionEstimation of operative riskRisk of deathRisk of ruptureEffect of increasing ageOperative riskOperative deathsOperative mortality
2014
Perioperative 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 riskMortality variability after endovascular versus open abdominal aortic aneurysm repair in a large tertiary vascular center using a Medicare-derived risk prediction model
Hicks C, Black J, Arhuidese I, Asanova L, Qazi U, Perler B, Freischlag J, Malas M. Mortality variability after endovascular versus open abdominal aortic aneurysm repair in a large tertiary vascular center using a Medicare-derived risk prediction model. Journal Of Vascular Surgery 2014, 61: 291-297. PMID: 25154686, DOI: 10.1016/j.jvs.2014.04.078.Peer-Reviewed Original ResearchMeSH KeywordsAgedAortic Aneurysm, AbdominalChi-Square DistributionDecision Support TechniquesEndovascular ProceduresFemaleHumansLogistic ModelsMaleMedicareMultivariate AnalysisOdds RatioPatient SelectionRetrospective StudiesRisk AssessmentRisk FactorsTertiary Care CentersTime FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsEndovascular AAA repairTertiary vascular centerOpen AAA repairAAA repairRisk prediction modelOpen repairTertiary centerVascular centersOpen abdominal aortic aneurysm (AAA) repairOpen abdominal aortic aneurysm repairAbdominal aortic aneurysm (AAA) repairAbdominal aortic aneurysm repairPreoperative renal diseasePreoperative risk statusEvaluate 30-day mortalityAortic aneurysm repairHigh-risk patientsMortality risk prediction modelHigh-risk groupMultivariate logistic regressionAortic centersOperative mortalityInfrarenal AAAAneurysm repairLower-volume hospitals