2017
Fixed 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 discharge
2016
Outcomes 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 patientsAbstract TP115: Carotid Endarterectomy in Young and Middle Aged Patients
Arhuidese I, Obeid T, Nejim B, Yin K, Wang S, Hicks C, Malas M. Abstract TP115: Carotid Endarterectomy in Young and Middle Aged Patients. Stroke 2016, 47 DOI: 10.1161/str.47.suppl_1.tp115.Peer-Reviewed Original ResearchMiddle aged patientsNational Surgical Quality Improvement ProgramCarotid endarterectomyAged patientsCardiac interventionsPatient characteristicsAmerican College of Surgeons National Surgical Quality Improvement ProgramSurgeons National Surgical Quality Improvement ProgramDay post-operative periodPopulation of young patientsPredictor of adverse outcomesLength of in-hospital staySurgical Quality Improvement ProgramCompare patient characteristicsDay of surgeryIn-hospital stayPost-operative periodPhysically dependent patientsMyocardial infarction ratePredictors of strokeQuality Improvement ProgramPostoperative outcomesYounger patientsSymptomatic statusAdverse outcomesAbstract 102: Carotid Endarterectomy versus Stenting in Patients on Chronic Hemodialysis
Arhuidese I, Obeid T, Nejim B, Yin K, Wang S, Malas M. Abstract 102: Carotid Endarterectomy versus Stenting in Patients on Chronic Hemodialysis. Stroke 2016, 47 DOI: 10.1161/str.47.suppl_1.102.Peer-Reviewed Original ResearchLong-term outcomesPropensity score matching analysisCohort of HD patientsRisk of perioperative strokeScore matching analysisCarotid endarterectomyPerioperative strokeHD patientsCompare long-term outcomesMean follow-upMultivariate Cox regressionMatching analysisStroke-free survivalPredictors of perioperative strokeCarotid artery stenosisPerioperative stroke rateFree survivalStroke free survivalChronic hemodialysisSymptomatic statusCarotid revascularizationFollow-upCox regressionArtery stenosisMedicare database
2015
Poststent 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 endarterectomy