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 patientsRegional variation in the cost of infrainguinal lower extremity bypass surgery in the United States
Nejim B, Wang S, Arhuidese I, Obeid T, Alshaikh H, Aridi H, Locham S, Malas M. Regional variation in the cost of infrainguinal lower extremity bypass surgery in the United States. Journal Of Vascular Surgery 2017, 67: 1170-1180.e4. PMID: 29074114, DOI: 10.1016/j.jvs.2017.08.055.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionCost-Benefit AnalysisDatabases, FactualFemaleHealth ExpendituresHealthcare DisparitiesHospital CostsHumansLinear ModelsLower ExtremityMaleMiddle AgedModels, EconomicPeripheral Arterial DiseasePractice Patterns, Physicians'Process Assessment, Health CareRetrospective StudiesSurgeonsTreatment OutcomeUnited StatesVascular GraftingConceptsLower extremity bypassIn-hospital costsHospital factorsService-specific costsInfrainguinal lower extremity bypassHealth care expendituresMedian in-hospital costsGeneralized linear regression modelsLower extremity bypass surgeryHealth systemPeripheral arterial diseaseStandard revascularization proceduresPatient's clinical conditionIdentified adult patientsLinear regression modelsCare expendituresFinancial burdenRegional variationMedian costPatient demographicsClinical characteristicsAdult patientsBypass surgeryNortheast regionPatient characteristicsCarotid 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 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 factorsBovine 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 patientsFixed and variable cost of carotid endarterectomy and stenting in the United States: A comparative study
Obeid T, Alshaikh H, Nejim B, Arhuidese I, Locham S, Malas M. Fixed and variable cost of carotid endarterectomy and stenting in the United States: A comparative study. Journal Of Vascular Surgery 2017, 65: 1398-1406.e1. PMID: 28216356, DOI: 10.1016/j.jvs.2016.11.062.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplastyAsymptomatic DiseasesCarotid StenosisChi-Square DistributionDatabases, FactualDecision Support TechniquesEndarterectomy, CarotidFemaleHospital CostsHumansMaleMiddle AgedModels, EconomicPatient SelectionProcess Assessment, Health CarePropensity ScoreRetrospective StudiesStentsTime FactorsTreatment OutcomeUnited StatesConceptsCost of carotid artery stentingSymptomatic patientsHospital costsPropensity score matchingSymptomatic statusScore matchingPremier Perspective databaseCarotid artery stentingComorbidities of patientsStudent's t-testIn-hospital costsActual hospital costsAsymptomatic patientsSurgeon specialtyHospital characteristicsMale patientsCosts of carotid endarterectomyAsymptomatic cohortPerspective databaseArtery stentingPrimary outcomeCarotid endarterectomyPatientsClinical comorbiditiesHospital dischargeEndarterectomy 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 stenosisAbdominal 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 useOutcomes 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 patientsRacial 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
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 imaging