2023
Utility of Hook Sign in the Diagnosis of Median Arcuate Ligament Syndrome
Chan S, Weininger G, Kozhimala M, Sumpio B, Levine L, Harris S, Zheng S, Ochoa Chaar C, Guzman R, Sumpio B. Utility of Hook Sign in the Diagnosis of Median Arcuate Ligament Syndrome. Annals Of Vascular Surgery 2023, 94: 165-171. PMID: 37023920, DOI: 10.1016/j.avsg.2023.03.018.Peer-Reviewed Original ResearchConceptsMedian arcuate ligament syndromeBody mass indexCeliac artery compressionArcuate ligament syndromeCeliac arteryInstitutional review board-approved retrospective chart reviewDiagnosis of MALSElectronic medical record reviewMedian arcuate ligamentNonspecific abdominal painRetrospective chart reviewMedical record reviewTertiary academic centerSignificant predictorsHook signWilcoxon rank sum testRank sum testMALS patientsAbdominal painTomography angiography imagesArtery compressionChart reviewPatient demographicsArcuate ligamentRadiologic characteristicsCarbon dioxide angiography during peripheral vascular interventions is associated with decreased cardiac and renal complications in patients with chronic kidney disease
Lee S, Ali S, Cardella J, Turner J, Guzman R, Dardik A, Ochoa Chaar C. Carbon dioxide angiography during peripheral vascular interventions is associated with decreased cardiac and renal complications in patients with chronic kidney disease. Journal Of Vascular Surgery 2023, 78: 201-208. PMID: 36948278, DOI: 10.1016/j.jvs.2023.03.029.Peer-Reviewed Original ResearchConceptsAdvanced chronic kidney diseaseChronic kidney diseasePeripheral vascular interventionsContrast volume usagePC-AKICarbon dioxide angiographyCardiac complicationsPropensity matchingKidney diseaseVascular interventionsPost-contrast acute kidney injuryAcute kidney injuryOutcomes of patientsPeripheral arterial diseasePoor renal functionMultivariate logistic regressionLower contrast volumeVolume of contrastCardiac comorbiditiesKidney injuryMinor amputationRenal complicationsRenal functionEndovascular therapyArterial diseaseCharacteristics and 1-year outcomes of patients with rupture of small abdominal aortic aneurysms
Bellamkonda K, Zogg C, Nassiri N, Sadeghi M, Zhang Y, Guzman R, Ochoa Chaar C. Characteristics and 1-year outcomes of patients with rupture of small abdominal aortic aneurysms. Journal Of Vascular Surgery 2023, 77: 1649-1657. PMID: 36796595, DOI: 10.1016/j.jvs.2023.02.003.Peer-Reviewed Original ResearchConceptsEndovascular aneurysm repairAbdominal aortic aneurysmRAAA casesRAAA groupElective repairAneurysm repairAortic aneurysmMyocardial infarctionVascular Quality Initiative databaseLower body mass indexSmall abdominal aortic aneurysmsMean aneurysm diameterVascular Surgery guidelinesLong-term mortalityOutcomes of patientsPerioperative myocardial infarctionOpen AAA repairBody mass indexLong-term outcomesOperative thresholdAfrican AmericansInfrarenal aneurysmsTotal morbidityAAA repairPatient characteristicsIncidence and Significance of Deep Venous Reflux in Patients Treated with Saphenous Vein Ablation
Satam K, Aurshina A, Zhuo H, Zhang Y, Cardella J, Aboian E, Tonnessen B, Guzman R, Ochoa Chaar C. Incidence and Significance of Deep Venous Reflux in Patients Treated with Saphenous Vein Ablation. Annals Of Vascular Surgery 2023, 91: 182-190. PMID: 36693564, DOI: 10.1016/j.avsg.2022.11.034.Peer-Reviewed Original ResearchConceptsDeep venous refluxDeep vein thrombosisVenous ablationNumeric rating scaleVenous refluxHistory of DVTLong-term symptomatic reliefAdvanced venous diseasePain medication useTertiary care centerSaphenous vein ablationElectronic medical recordsClinical reliefPatient characteristicsVein ablationVein thrombosisMedication useSymptomatic reliefVenous insufficiencyVenous diseaseCompression stockingsInitial ultrasoundBlack raceSubgroup analysisMedical records
2022
Prevalence and Characteristics of Patients with Median Arcuate Ligament Syndrome in a Cohort Diagnosed with Celiac Artery Compression.
Kozhimala M, Chan S, Weininger G, Sumpio B, Levine L, Harris S, Zheng S, Longo W, Ochoa Chaar C, Guzman R, Sumpio B. Prevalence and Characteristics of Patients with Median Arcuate Ligament Syndrome in a Cohort Diagnosed with Celiac Artery Compression. Journal Of The American College Of Surgeons 2022, 236: 1085-1091. PMID: 36476640, DOI: 10.1097/xcs.0000000000000500.Peer-Reviewed Original ResearchConceptsMedian arcuate ligament syndromeCeliac artery compressionArcuate ligament syndromeCharacteristics of patientsMALS patientsArtery compressionArtery diseaseRenal diseaseMesenteric artery diseasePeripheral arterial diseasePeripheral artery diseaseRetrospective chart reviewCohort of patientsMedical record reviewFrequent differential diagnosisSignificant differencesAbdominal symptomsAtherosclerotic characteristicsEpigastric painGastrointestinal comorbiditiesChart reviewArterial diseaseAtherosclerotic diseaseRecord reviewClinical symptoms
2021
Diagnostic and Technical Challenges in the Care of a Complex Patient With Post-Thrombotic Syndrome
Chan SM, Lee A, Roy B, Chaar CIO. Diagnostic and Technical Challenges in the Care of a Complex Patient With Post-Thrombotic Syndrome. Vascular And Endovascular Surgery 2021, 55: 515-518. PMID: 33563142, DOI: 10.1177/1538574421995020.Peer-Reviewed Original ResearchConceptsPost-thrombotic syndromeDeep vein thrombosisVein thrombosisComplex patientsIliofemoral deep vein thrombosisExtensive deep vein thrombosisAccurate patient evaluationVenous recanalizationEndovascular treatmentSymptomatic reliefPatient evaluationMorbid conditionsClinical successSyndromePatientsThrombosisAlternative accessCareRecanalizationSymptomsStrokeStrategies to Minimize Iodinated Contrast Volume in Patients with Chronic Kidney Disease Undergoing Peripheral Vascular Interventions
Lee SR, Dardik A, Chaar CIO. Strategies to Minimize Iodinated Contrast Volume in Patients with Chronic Kidney Disease Undergoing Peripheral Vascular Interventions. Annals Of Vascular Surgery 2021, 73: 490-495. PMID: 33556507, DOI: 10.1016/j.avsg.2021.01.081.Peer-Reviewed Original ResearchConceptsPeripheral vascular interventionsChronic kidney diseaseVascular interventionsPostcontrast acute kidney injuryChronic limb threatening ischemiaSuccessful endovascular revascularizationAcute kidney injuryCKD stage 4Limb threatening ischemiaPC-AKIEndovascular revascularizationKidney injuryUse of ICMContrast volumeKidney diseaseIntravascular lesionsContrast mediumPatientsStage 4InterventionRiskRevascularizationIschemiaInjuryTherapy
2020
Correlation of venous symptoms with iliac vein stenosis on magnetic resonance imaging
Aurshina A, Huber S, Deng Y, Attaran R, Nassiri N, Dardik A, Ochoa Chaar CI. Correlation of venous symptoms with iliac vein stenosis on magnetic resonance imaging. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2020, 9: 1291-1296.e1. PMID: 33387666, DOI: 10.1016/j.jvsv.2020.12.077.Peer-Reviewed Original ResearchConceptsIliac vein stenosisMagnetic resonance imagingElectronic medical recordsVenous symptomsVein stenosisEMR reviewResonance imagingLower extremity venous diseaseTelephone survey resultsConsecutive adult patientsThird of patientsBrief telephone surveyAdult patientsPatient characteristicsConsecutive patientsVenous stenosisVenous diseaseRetrospective studyMean ageMedical recordsStenosisPatientsMRI scansSymptomsPelvisRegional Anesthesia is Underutilized for Carotid Endarterectomy Despite Improved Perioperative Outcomes Compared with General Anesthesia
Lumas S, Hsiang W, Akhtar S, Ochoa Chaar CI. Regional Anesthesia is Underutilized for Carotid Endarterectomy Despite Improved Perioperative Outcomes Compared with General Anesthesia. Annals Of Vascular Surgery 2020, 73: 336-343. PMID: 33373769, DOI: 10.1016/j.avsg.2020.11.035.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement ProgramCarotid endarterectomyGeneral anesthesiaRegional anesthesiaImproved outcomesSurgeons National Surgical Quality Improvement ProgramChronic obstructive pulmonary diseaseOutcomes of CEASurgical Quality Improvement ProgramCombined end pointObstructive pulmonary diseaseChoice of anestheticQuality Improvement ProgramAnesthesia typeHospital lengthPerioperative outcomesBaseline characteristicsPatient characteristicsCarotid surgeryHeart failurePropensity matchingPulmonary diseaseGA patientsMyocardial infarctionAmerican CollegeLocation of reflux in the saphenous vein does not affect outcomes of vein ablation
Aurshina A, Cardella J, Sumpio B, Zhuo H, Zhang Y, Dardik A, Ochoa Chaar CI. Location of reflux in the saphenous vein does not affect outcomes of vein ablation. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2020, 9: 932-937. PMID: 33249108, DOI: 10.1016/j.jvsv.2020.11.013.Peer-Reviewed Original ResearchConceptsVenous ablationSaphenous veinElectronic medical recordsMean patient ageRecurrence of painSingle-center reviewIncidence of complicationsClinical success rateNumeric rating scaleTechnical success ratePatients' electronic medical recordsTelephone surveySuccess rateIntensity of symptomsValvular refluxCEAP classSymptomatic patientsConsecutive patientsOutpatient officePatient agePatient characteristicsVein ablationDuplex ultrasonographySymptom improvementBilateral treatmentMultiple 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 procedureClaudicationOutcomes of treatment with paclitaxel-coated devices for peripheral arterial disease
Kim TI, Kiwan G, Mohamedali A, Zhang Y, Mena-Hurtado C, Mojibian H, Guzman RJ, Ochoa Chaar CI. Outcomes of treatment with paclitaxel-coated devices for peripheral arterial disease. Journal Of Vascular Surgery 2020, 73: 911-917. PMID: 33038480, DOI: 10.1016/j.jvs.2020.08.146.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAmputation, SurgicalCardiovascular AgentsCoated Materials, BiocompatibleDrug-Eluting StentsEndovascular ProceduresFemaleHumansLimb SalvageMaleMiddle AgedPaclitaxelPeripheral Arterial DiseaseProsthesis DesignRetreatmentRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVascular PatencyConceptsPaclitaxel-coated devicesPeripheral artery diseaseCause of mortalityPCD useRisk of mortalityCumulative doseFemoropopliteal peripheral artery diseaseKaplan-Meier survival curvesLong-term mortalityPeripheral arterial diseaseCox regression analysisDrug-coated balloonsOutcome of treatmentDrug-eluting stentsMajor amputationPrimary patencyReintervention rateArtery diseaseArterial diseaseRandomized trialsOpen surgeryPresent studySingle institutionEndovascular interventionPatientsLower Extremity Revascularization for Chronic Limb-Threatening Ischemia among Patients at the Extremes of Age
Kim TI, Aboian E, Fischer U, Zhang Y, Guzman RJ, Ochoa Chaar CI. Lower Extremity Revascularization for Chronic Limb-Threatening Ischemia among Patients at the Extremes of Age. Annals Of Vascular Surgery 2020, 72: 517-528. PMID: 32927042, DOI: 10.1016/j.avsg.2020.08.135.Peer-Reviewed Original ResearchMeSH KeywordsAge of OnsetAgedAged, 80 and overAgingAmputation, SurgicalChronic DiseaseDatabases, FactualEndovascular ProceduresFemaleHumansIschemiaLimb SalvageLower ExtremityMaleMiddle AgedPeripheral Arterial DiseaseRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVascular Surgical ProceduresConceptsChronic limb-threatening ischemiaLower extremity revascularizationExtremes of ageRisk factor profileMajor amputationPatients 51Extremity revascularizationFactor profileDistinct risk factor profilesAge groupsChronic limb threatening ischemiaLimb threatening ischemiaLimb-threatening ischemiaMajor amputation ratePeripheral artery diseaseGroup of patientsInsulin-dependent diabetesExtreme age groupsSuprainguinal bypassAmputation rateElderly patientsInfrainguinal bypassActive smokersArtery diseaseMultivariable analysisTrends and outcomes of thoracic endovascular aortic repair with open concomitant cervical debranching
Bellamkonda KS, Yousef S, Nassiri N, Dardik A, Guzman RJ, Geirsson A, Ochoa Chaar CI. Trends and outcomes of thoracic endovascular aortic repair with open concomitant cervical debranching. Journal Of Vascular Surgery 2020, 73: 1205-1212.e3. PMID: 32861861, DOI: 10.1016/j.jvs.2020.07.103.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAorta, ThoracicAortic DiseasesBlood Vessel Prosthesis ImplantationCarotid ArteriesDatabases, FactualEndovascular ProceduresFemaleHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsSubclavian ArteryTime FactorsTreatment OutcomeYoung AdultConceptsCarotid-carotid bypassEndovascular aortic repairCervical debranchingPerioperative outcomesAortic repairAortic pathologyMultivariable analysisThoracic endovascular aortic repairSurgeons National Surgical Quality Improvement Program filesCarotid-subclavian bypassDependent functional statusOpen surgical debranchingUse of TEVARLonger hospital stayCurrent Procedural Terminology codesUrgency of surgeryComplex aortic pathologiesThoracic aortic pathologyCommon surgical procedureProcedural Terminology codesSignificant differencesNumber of bypassesAdvanced endovascular technologySurgical debranchingDebranching proceduresEndograft type and anesthesia mode are associated with mortality of endovascular aneurysm repair for ruptured abdominal aortic aneurysms
Bellamkonda KS, Yousef S, Zhang Y, Dardik A, Geirsson A, Chaar CIO. Endograft type and anesthesia mode are associated with mortality of endovascular aneurysm repair for ruptured abdominal aortic aneurysms. Vascular 2020, 29: 155-162. PMID: 32787557, DOI: 10.1177/1708538120947859.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAnesthesia, GeneralAortic Aneurysm, AbdominalAortic RuptureBlood Vessel ProsthesisBlood Vessel Prosthesis ImplantationDatabases, FactualEndovascular ProceduresFemaleHumansMaleMiddle AgedProsthesis DesignRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeYoung AdultConceptsInfrarenal abdominal aortic aneurysmAbdominal aortic aneurysmEndovascular aneurysm repairBody mass indexAortic aneurysmEndograft typeAneurysm repairOverall mortalityMass indexSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseRuptured infrarenal abdominal aortic aneurysmQuality Improvement Program databaseRuptured abdominal aortic aneurysmLower body mass indexAbdominal aortic aneurysm diameterAneurysmal iliac arteriesDependent functional statusCharacteristics of patientsImprovement Program databasePrimary treatment modalityOpen abdominal surgeryAortic aneurysm diameterSignificant differencesConcomitant stentingCosts and complications of hospital admissions for inferior vena cava filter malfunction
Kim TI, Abougergi MS, Guzman RJ, Ochoa Chaar CI. Costs and complications of hospital admissions for inferior vena cava filter malfunction. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2020, 9: 315-320.e4. PMID: 32791305, DOI: 10.1016/j.jvsv.2020.08.002.Peer-Reviewed Original ResearchMeSH KeywordsCost SavingsCost-Benefit AnalysisDatabases, FactualDevice RemovalEndovascular ProceduresFemaleForeign-Body MigrationHospital CostsHumansInpatientsLength of StayMaleMiddle AgedPatient AdmissionProsthesis DesignProsthesis FailureProsthesis ImplantationRetrospective StudiesTime FactorsTreatment OutcomeUnited StatesVena Cava FiltersConceptsIVCF retrievalEndovascular retrievalOpen retrievalMost patientsHospital admissionEndovascular removalNational Inpatient Sample databaseHigher infectious complicationsNational hospital admissionMean hospital lengthDeep venous thrombosisTenth Revision codesHigher hospital costsCost of hospitalizationSpecific ICD-10 codesUrban teaching hospitalICD-10 codesInfectious complicationsOverall complicationsHospital lengthInpatient mortalityAbdominal surgeryInstitutional seriesPatient characteristicsPulmonary embolismMultiple duplications of the superficial femoral artery – Case report and review of the literature
Kim TI, Chaar CIO, Guzman RJ, Fischer UM. Multiple duplications of the superficial femoral artery – Case report and review of the literature. Vascular 2020, 29: 116-118. PMID: 32698701, DOI: 10.1177/1708538120943317.Peer-Reviewed Original ResearchDiscrepancy in Outcomes after Revascularization for Chronic Limb-Threatening Ischemia Warrants Separate Reporting of Rest Pain and Tissue Loss
Brahmandam A, Gholitabar N, Cardella J, Nassiri N, Dardik A, Georgi M, Ochoa Chaar CI. Discrepancy in Outcomes after Revascularization for Chronic Limb-Threatening Ischemia Warrants Separate Reporting of Rest Pain and Tissue Loss. Annals Of Vascular Surgery 2020, 70: 237-244. PMID: 32659417, DOI: 10.1016/j.avsg.2020.06.057.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalBenchmarkingChronic DiseaseComorbidityDatabases, FactualFemaleHospital MortalityHumansInpatientsIntermittent ClaudicationIschemiaMalePeripheral Arterial DiseaseQuality Indicators, Health CareRetrospective StudiesRisk AssessmentRisk FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsLower extremity revascularizationCharlson Comorbidity IndexRest painMajor amputationInpatient mortalityTissue lossEndovascular lower extremity revascularizationWorse short-term outcomesShort-term outcomesNational Inpatient SampleLength of stayMultivariable regression analysisComorbidity indexExtremity revascularizationPatient characteristicsMultivariable analysisInpatient SampleHigh comorbidityMean costPatientsAmputationMortalityTL groupOutcomesRevascularizationThe Use of Embolic Protection Devices during Lower Extremity Peripheral Vascular Interventions
Ochoa Chaar CI, Kim TI, Shebl FM, Dardik A. The Use of Embolic Protection Devices during Lower Extremity Peripheral Vascular Interventions. Annals Of Vascular Surgery 2020, 69: 9-16. PMID: 32554197, DOI: 10.1016/j.avsg.2020.06.014.Peer-Reviewed Original ResearchConceptsPeripheral vascular interventionsEmbolic protection devicesDistal embolizationMultivariable analysisFluoroscopy timeVascular interventionsEPD useLower extremity peripheral vascular interventionsUse of EPDPropensity-matched control groupChronic obstructive pulmonary diseaseSignificant differencesVascular Study GroupCharacteristics of patientsObstructive pulmonary diseaseCoronary artery diseaseNew England databaseSuperficial femoral arteryExcisional atherectomyArtery diseaseCommon indicationPropensity matchingPulmonary diseaseEndovascular treatmentFemoral arteryComparison of Atherectomy to Balloon Angioplasty and Stenting for Isolated Femoropopliteal Revascularization
Bai H, Fereydooni A, Zhuo H, Zhang Y, Tonnessen B, Guzman RJ, Ochoa Chaar CI. Comparison of Atherectomy to Balloon Angioplasty and Stenting for Isolated Femoropopliteal Revascularization. Annals Of Vascular Surgery 2020, 69: 261-273. PMID: 32512112, DOI: 10.1016/j.avsg.2020.05.019.Peer-Reviewed Original ResearchConceptsPercutaneous transluminal angioplastyMajor ipsilateral amputationIpsilateral amputationPrimary patencyDistal embolizationFemoropopliteal diseaseBalloon angioplastyTechnical successStatus improvementAnkle-brachial index improvementSignificant additional clinical benefitSociety Consensus (TASC) II classificationChronic obstructive pulmonary diseaseConcomitant open surgeryLower ratesOutcomes of atherectomyUse of atherectomyAcute limb ischemiaOne-year outcomesVascular Quality InitiativeCongestive heart failureHigher reintervention rateLower extremity revascularizationObstructive pulmonary diseaseAdditional clinical benefit