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
2013
Comparison of open and endovascular treatment of acute mesenteric ischemia
Beaulieu R, Arnaoutakis K, Abularrage C, Efron D, Schneider E, Black J. Comparison of open and endovascular treatment of acute mesenteric ischemia. Journal Of Vascular Surgery 2013, 59: 159-164. PMID: 24199769, DOI: 10.1016/j.jvs.2013.06.084.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionDigestive System Surgical ProceduresEndovascular ProceduresFemaleHospital MortalityHumansIschemiaLength of StayMaleMesenteric IschemiaParenteral Nutrition, TotalRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular DiseasesVascular Surgical ProceduresConceptsAcute mesenteric ischemiaBowel resectionLength of stayEndovascular repairOpen revascularizationEndovascular treatmentEndovascular interventionMesenteric ischemiaParenteral nutritionVascular repairVascular interventionsDiagnosis of AMINational Inpatient Sample databaseSubsequent vascular interventionProportion of patientsSeverity of comorbiditiesTotal parenteral nutritionNinth Revision codesPatient-level dataStudy time periodCharlson indexTPN supportSame hospitalizationBowel perfusionGastrointestinal outcomesInfluence of gender on outcomes after thoracic endovascular aneurysm repair
Arnaoutakis G, Schneider E, Arnaoutakis D, Black J, Lum Y, Perler B, Freischlag J, Abularrage C. Influence of gender on outcomes after thoracic endovascular aneurysm repair. Journal Of Vascular Surgery 2013, 59: 45-51. PMID: 23896176, DOI: 10.1016/j.jvs.2013.06.058.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAortic Aneurysm, ThoracicChi-Square DistributionDatabases, FactualEmergenciesEndovascular ProceduresFemaleHumansIliac ArteryLinear ModelsLogistic ModelsMaleMultivariate AnalysisOdds RatioPostoperative ComplicationsRegistriesRetrospective StudiesRisk FactorsSex FactorsTime FactorsTreatment OutcomeUnited StatesConceptsIliac artery exposureNonruptured thoracic aortic aneurysmsAortic aneurysm repairThoracic aortic aneurysmAneurysm repairArtery exposureUnadjusted mortalityMultivariable analysisAortic aneurysmFemale genderSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseRisk-adjusted generalized linear modelsEndovascular abdominal aortic aneurysm repairQuality Improvement Program databaseAbdominal aortic aneurysm repairEndovascular aortic aneurysm repairACS-NSQIP databaseImprovement Program databasePrimary outcome measureEndovascular aneurysm repairHigh mortality rateHospital lengthPostoperative complicationsTransfusion rateComparison of surgical bypass with angioplasty and stenting of superficial femoral artery disease
Malas M, Enwerem N, Qazi U, Brown B, Schneider E, Reifsnyder T, Freischlag J, Perler B. Comparison of surgical bypass with angioplasty and stenting of superficial femoral artery disease. Journal Of Vascular Surgery 2013, 59: 129-135. PMID: 23891488, DOI: 10.1016/j.jvs.2013.05.100.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, BalloonBaltimoreBlood Vessel Prosthesis ImplantationChi-Square DistributionFemaleFemoral ArteryHumansKaplan-Meier EstimateMaleMiddle AgedMultivariate AnalysisPeripheral Arterial DiseasePostoperative ComplicationsProportional Hazards ModelsRegistriesRisk FactorsStentsTime FactorsTreatment OutcomeVascular GraftingVascular PatencyVeinsConceptsPeripheral arterial diseaseFemoral-popliteal bypassPercutaneous transluminal angioplasty/stentingJohns Hopkins Bayview Medical CenterAngioplasty/stentingSuperficial femoral arteryReintervention rateTASC CSymptomatic patientsD lesionsMedical managementB lesionsFemoral arteryMedical CenterSuperficial femoral artery diseaseSymptomatic peripheral arterial diseaseFemoral artery diseaseTASC II ARate of reinterventionHigher reintervention rateBest treatment optionSimilar risk factorsProportional hazards modelTerms of patencyFisher's exact test
2012
Epidemiology of moderate-to-severe penetrating versus closed traumatic brain injury in the Iraq and Afghanistan wars
Orman J, Geyer D, Jones J, Schneider E, Grafman J, Pugh M, DuBose J. Epidemiology of moderate-to-severe penetrating versus closed traumatic brain injury in the Iraq and Afghanistan wars. Journal Of Trauma And Acute Care Surgery 2012, 73: s496-s502. PMID: 23192076, DOI: 10.1097/ta.0b013e318275473c.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfghan Campaign 2001-Age DistributionBrain InjuriesChi-Square DistributionFemaleHumansIncidenceInjury Severity ScoreIraq War, 2003-2011MaleMass Casualty IncidentsMiddle AgedPrognosisRegistriesRetrospective StudiesSex DistributionStatistics, NonparametricSurvival AnalysisUnited StatesWarfareWounds, NonpenetratingWounds, PenetratingYoung AdultConceptsClosed traumatic brain injuryTraumatic brain injuryBrain injuryInjury severityAbbreviated Injury Scale scoreSevere closed traumatic brain injuryCombat-related traumatic brain injuryJoint Theater Trauma RegistryInjury Scale scoreOverall injury severitySevere penetratingPatients meeting criteriaSevere brain injuryAnatomic injury severityTrauma registry dataMaximum Abbreviated Injury Scale scoreTrauma registrySurgical interventionSurveillance definitionsRegistry dataTBI severityEpidemiologic studiesNeck woundsMeeting criteriaScale scoreDisparities in Outcomes for Hispanic Patients Undergoing Endovascular and Open Abdominal Aortic Aneurysm Repair
Williams T, Schneider E, Black J, Lum Y, Freischlag J, Perler B, Abularrage C. Disparities in Outcomes for Hispanic Patients Undergoing Endovascular and Open Abdominal Aortic Aneurysm Repair. Annals Of Vascular Surgery 2012, 27: 29-37. PMID: 23084731, DOI: 10.1016/j.avsg.2012.06.006.Peer-Reviewed Original ResearchMeSH KeywordsAgedAortic Aneurysm, AbdominalBlack or African AmericanBlood Vessel Prosthesis ImplantationChi-Square DistributionDatabases, FactualElective Surgical ProceduresEndovascular ProceduresFemaleHealthcare DisparitiesHispanic or LatinoHospital CostsHospital MortalityHumansLength of StayMaleMultivariate AnalysisPostoperative ComplicationsRisk FactorsTime FactorsTreatment OutcomeUnited StatesWhite PeopleConceptsAbdominal aortic aneurysm repairOpen AAAIndependent risk factorAortic aneurysm repairBlack patientsWhite patientsHispanic patientsHispanic ethnicityAAA repairAneurysm repairHospital chargesHospital characteristicsRisk factorsInsurance typeOpen abdominal aortic aneurysm repairMultivariate analysisICD-9-CM codesTotal hospital chargesNationwide Inpatient SampleInfluence of raceLength of stayUnruptured AAAPrimary hospitalizationHospital mortalityPostoperative complicationsImproved results using Onyx glue for the treatment of persistent type 2 endoleak after endovascular aneurysm repair
Abularrage C, Patel V, Conrad M, Schneider E, Cambria R, Kwolek C. Improved results using Onyx glue for the treatment of persistent type 2 endoleak after endovascular aneurysm repair. Journal Of Vascular Surgery 2012, 56: 630-636. PMID: 22572009, DOI: 10.1016/j.jvs.2012.02.038.Peer-Reviewed Original ResearchMeSH KeywordsAgedAneurysmBlood Vessel Prosthesis ImplantationBostonChi-Square DistributionDimethyl SulfoxideDrug CombinationsEmbolization, TherapeuticEndoleakEndovascular ProceduresFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMultivariate AnalysisOdds RatioPolyvinylsProportional Hazards ModelsReoperationRetrospective StudiesRisk AssessmentRisk FactorsTantalumTime FactorsTomography, X-Ray ComputedTreatment OutcomeConceptsEndovascular aneurysm repairPersistent type 2 endoleakType 2 endoleakSecondary interventionsGlue embolizationAneurysm repairCoil embolizationPrimary end pointFive-year survivalKaplan-Meier analysisMultiple logistic regressionSuccess rateGreater long-term successGraft explantOnyx glueGreater success rateStudy cohortAdverse outcomesInterventional techniquesEmbolizationAneurysm sacEnd pointLogistic regressionPatientsLong-term successClass I obesity is paradoxically associated with decreased risk of postoperative stroke after carotid endarterectomy
Jackson R, Black J, Lum Y, Schneider E, Freischlag J, Perler B, Abularrage C. Class I obesity is paradoxically associated with decreased risk of postoperative stroke after carotid endarterectomy. Journal Of Vascular Surgery 2012, 55: 1306-1312. PMID: 22542344, DOI: 10.1016/j.jvs.2011.11.135.Peer-Reviewed Original ResearchConceptsBody mass indexClass I obesitySurgical site infectionCarotid endarterectomyObese patientsObesity paradoxBMI categoriesNormal weightRisk factorsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseRisk of SSIClass I obese patientsPrevious transient ischemic attackQuality Improvement Program databaseClass II obeseClass II obesityTransient ischemic attackImprovement Program databaseIndependent risk factorRisk of strokeAnesthesiologists class 4Multivariable logistic regressionIschemic attackPostoperative stroke