2022
Association of Renin-Angiotensin-Aldosterone System Inhibitor Usage Patterns with Midterm Amputation-Free Survival after Lower Extremity Bypass for Peripheral Arterial Disease
Naazie I, Arhuidese I, Abdelgawwad M, Unkart J, Conte M, Malas M. Association of Renin-Angiotensin-Aldosterone System Inhibitor Usage Patterns with Midterm Amputation-Free Survival after Lower Extremity Bypass for Peripheral Arterial Disease. Annals Of Vascular Surgery 2022, 88: 79-89. PMID: 36028182, DOI: 10.1016/j.avsg.2022.07.022.Peer-Reviewed Original ResearchConceptsRenin-angiotensin-aldosterone system inhibitor useRenin-angiotensin-aldosterone system inhibitorsLower extremity bypassAmputation-free survivalPeripheral arterial diseaseArtery diseaseAssociated with improved 30-day mortalityAssociated with improved survivalAssociated with 2.8-foldPeripheral arterial disease patientsLEB outcomesArtery disease patientsLower-extremity bypassSurvival benefitSystem inhibitorsPostoperative periodRAAS inhibitionStudy cohortCox regressionPrimary outcomePotential confoundersIncreased oddsDisease patientsPatientsMortality
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 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
Vascular access modifies the protective effect of obesity on survival in hemodialysis patients
Arhuidese I, Obeid T, Hicks C, Qazi U, Botchey I, Zarkowsky D, Reifsnyder T, Malas M. Vascular access modifies the protective effect of obesity on survival in hemodialysis patients. Surgery 2015, 158: 1628-1634. PMID: 26126794, DOI: 10.1016/j.surg.2015.04.036.Peer-Reviewed Original ResearchConceptsBody mass indexEnd-stage renal diseaseNormal body mass indexProtective effect of obesityHigher body mass indexEffect of obesityObesity paradoxProtective effect of increasing BMIEffect of increased BMIBody mass index statusMass indexHD accessProtective effectAssociated with lower mortalityPropensity score matching analysisSurvival of patientsScore matching analysisSurvival benefitImproved survivalRetrospective studyHemodialysis accessInitiate hemodialysisPatient backgroundRenal diseaseCox regression