2017
Regional 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 characteristics
2015
The 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
Risk 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