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 complicationPresentation and outcomes of carotid endarterectomy in active smokers
Kim TI, Zhang Y, Amin HP, Ochoa Chaar CI. Presentation and outcomes of carotid endarterectomy in active smokers. Journal Of Vascular Surgery 2020, 72: 1720-1727.e1. PMID: 32249043, DOI: 10.1016/j.jvs.2020.02.014.Peer-Reviewed Original ResearchConceptsCarotid endarterectomyRisk factorsWorse outcomesSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramChronic obstructive pulmonary diseaseSignificant modifiable risk factorSurgical Quality Improvement ProgramHigh anatomic riskOutcomes of patientsModifiable risk factorsObstructive pulmonary diseaseCarotid artery diseaseImportant risk factorLarge national databaseQuality Improvement ProgramActive smokingEmergent surgeryPreoperative characteristicsActive smokersArtery diseasePropensity matchingPulmonary diseaseSymptomatic presentationSmoking status
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 survivalStatin therapy associated with improved thrombus resolution in patients with deep vein thrombosis
Hsu C, Brahmandam A, Brownson KE, Huynh N, Reynolds J, Lee AI, Fares WH, Ochoa Chaar CI. Statin therapy associated with improved thrombus resolution in patients with deep vein thrombosis. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2019, 7: 169-175.e4. PMID: 30660579, DOI: 10.1016/j.jvsv.2018.10.020.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAnticoagulantsElectronic Health RecordsFemaleHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMaleMiddle AgedPlatelet Aggregation InhibitorsPulmonary EmbolismRecurrenceRetrospective StudiesRisk AssessmentRisk FactorsThrombolytic TherapyTime FactorsTreatment OutcomeVena Cava FiltersVenous ThromboembolismVenous ThrombosisConceptsDeep venous thrombosisExtent of DVTStatin therapyThrombus resolutionPulmonary embolismVenous thromboembolismVTE recurrenceAntiplatelet therapyMultivariable analysisRisk factorsRecurrence of DVTLower extremity deep venous thrombosisHigh-risk pulmonary embolismPrior deep venous thrombosisProvoked deep venous thrombosisProximal deep venous thrombosisInferior vena cava filter placementExtremity deep venous thrombosisVena cava filter placementDuration of anticoagulationAssociation of statinConsecutive adult patientsDirect oral anticoagulantsManifestations of atherosclerosisCava filter placement
2015
Management of isolated calf vein thrombosis in cancer patients
Brahmandam AS, Brownson K, Skrip L, Parker T, Indes J, Sarac T, Dardik A, Chaar CI. Management of isolated calf vein thrombosis in cancer patients. Vascular 2015, 24: 64-69. PMID: 25957344, DOI: 10.1177/1708538115584726.Peer-Reviewed Original ResearchConceptsCalf vein thrombosisIsolated calf vein thrombosisVein thrombosisHistory of cancerCancer patientsBenefits of anticoagulationInitiation of anticoagulationPatient risk factorsRetrospective chart reviewLong-term recurrenceChart reviewConsecutive patientsTreatment modalitiesRisk factorsThrombosisHigh incidencePatientsAnticoagulationOlder ageCancerMortalityIncidenceAnatomical characteristicsTreatmentRecurrence