2023
A comparison of below-knee vs above-knee endovenous ablation of varicose veins
Bai H, Gokani V, Storch J, Kibrik P, Aziz F, Sachdev U, Fukaya E, Ochoa Chaar C, Obi A, Ting W. A comparison of below-knee vs above-knee endovenous ablation of varicose veins. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2023, 12: 101679. PMID: 37708939, DOI: 10.1016/j.jvsv.2023.08.018.Peer-Reviewed Original ResearchVenous Clinical Severity ScorePatient-reported outcomesKnee treatmentKnee interventionsComposite scoreVascular Quality Initiative Varicose Vein RegistryMultivariable logistic regression analysisClinical severity scoreDeep vein thrombosisMultivariable logistic regressionOdds of improvementLogistic regression analysisQuality of lifeVein ablationVein thrombosisAnatomic distributionSeverity scoreMultivariable modelTreatment outcomesVaricose veinsHigher oddsVein treatmentPatientsLogistic regressionCategorical variablesThe association between diabetes mellitus and its management with outcomes following endovascular repair for descending thoracic aortic aneurysm
Summers S, Rastogi V, Yadavalli S, Wang S, Schaller M, Jones D, Ochoa Chaar C, de Bruin J, Verhagen H, Schermerhorn M. The association between diabetes mellitus and its management with outcomes following endovascular repair for descending thoracic aortic aneurysm. Journal Of Vascular Surgery 2023, 78: 313-323. PMID: 36966848, DOI: 10.1016/j.jvs.2023.02.024.Peer-Reviewed Original ResearchConceptsThoracic aortic aneurysmDiabetes mellitusNoninsulin medicationsPerioperative mortalityAortic aneurysmHospital complicationsEndovascular repairDietary managementSimilar perioperative mortalityMultivariable Cox regressionHigh perioperative mortalityVascular Quality InitiativeMultivariable logistic regressionEndovascular aneurysm repairMultivariable regression analysisDM statusNoninsulin therapySac regressionInsulin therapyTherapy cohortAneurysm repairDietary therapyDM subgroupCox regressionInsulin medication
2020
Multiple Reinterventions for Claudication are Associated with Progression to Chronic Limb-Threatening Ischemia
Kim TI, Kiwan G, Mohamedali A, Zhang Y, Dardik A, Guzman RJ, Ochoa Chaar CI. Multiple Reinterventions for Claudication are Associated with Progression to Chronic Limb-Threatening Ischemia. Annals Of Vascular Surgery 2020, 72: 166-174. PMID: 33227462, DOI: 10.1016/j.avsg.2020.10.004.Peer-Reviewed Original ResearchConceptsChronic limb-threatening ischemiaLower extremity revascularizationCongestive heart failureHeart failureOpen revascularizationMultiple reinterventionsSingle-center retrospective reviewChronic limb threatening ischemiaLimb threatening ischemiaLimb-threatening ischemiaNumber of reinterventionsLong-term outcomesMultivariable logistic regressionRate of progressionBenign natural historyIndex revascularizationMajor amputationRest painPerioperative complicationsExtremity revascularizationRetrospective reviewRisk factorsDisease progressionOpen procedureClaudicationPostcontrast Acute Kidney Injury after Peripheral Vascular Interventions in Kidney Transplant Recipients
Lee SR, Dardik A, Ochoa Chaar CI. Postcontrast Acute Kidney Injury after Peripheral Vascular Interventions in Kidney Transplant Recipients. Annals Of Vascular Surgery 2020, 68: 8-14. PMID: 32428641, DOI: 10.1016/j.avsg.2020.04.057.Peer-Reviewed Original ResearchConceptsKidney transplant recipientsPeripheral vascular interventionsPostcontrast acute kidney injuryPC-AKIAcute kidney injuryKidney transplantKidney injuryTransplant recipientsRisk factorsVascular interventionsNew dialysis requirementPoor allograft functionPropensity-matched patientsPeripheral artery diseaseVascular Quality InitiativeGroup of patientsKaplan-Meier analysisMultivariable logistic regressionLong-term survivalAllograft functionBaseline warfarinHospital mortalityDialysis requirementPerioperative outcomesFeared complication
2019
Risk factors and safe contrast volume thresholds for postcontrast acute kidney injury after peripheral vascular interventions
Lee SR, Zhuo H, Zhang Y, Dahl N, Dardik A, Ochoa Chaar CI. Risk factors and safe contrast volume thresholds for postcontrast acute kidney injury after peripheral vascular interventions. Journal Of Vascular Surgery 2019, 72: 603-610.e1. PMID: 31843298, DOI: 10.1016/j.jvs.2019.09.059.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedCanadaContrast MediaDatabases, FactualEndovascular ProceduresFemaleHumansIncidenceKidneyMaleMiddle AgedPatient SafetyPeripheral Arterial DiseaseRadiography, InterventionalRenal Insufficiency, ChronicRetrospective StudiesRisk AssessmentRisk FactorsTreatment OutcomeUnited StatesConceptsAdvanced chronic kidney diseaseChronic kidney diseasePeripheral vascular interventionsStages of CKDPostcontrast acute kidney injuryBaseline kidney functionPC-AKIAcute kidney injuryContrast volumeVolume of contrastRisk factorsKidney injuryCumulative incidenceLimb ischemiaKidney functionVascular interventionsMultivariable Cox proportional hazards regressionCox proportional hazards regressionAcute limb ischemiaLong-term mortalityCritical limb ischemiaNormal kidney functionMultivariable logistic regressionProportional hazards regressionLong-term survival