2023
Endovascular Recanalization and Stent Graft Placement for a Chronically Occluded Prosthetic Graft to Treat Critical Limb Ischemia
Jamil Y, Huttler J, Ochoa Chaar C. Endovascular Recanalization and Stent Graft Placement for a Chronically Occluded Prosthetic Graft to Treat Critical Limb Ischemia. Journal Of Vascular And Interventional Radiology 2023, 35: 143-145. PMID: 37704039, DOI: 10.1016/j.jvir.2023.09.006.Peer-Reviewed Original ResearchPerioperative complications following open or endovascular revascularization for chronic limb-threatening ischemia in the BEST-CLI Trial
Siracuse J, Farber A, Menard M, Conte M, Kaufman J, Jaff M, Kiang S, Ochoa Chaar C, Osborne N, Singh N, Tan T, Guzman R, Strong M, Hamza T, Doros G, Rosenfield K. Perioperative complications following open or endovascular revascularization for chronic limb-threatening ischemia in the BEST-CLI Trial. Journal Of Vascular Surgery 2023, 78: 1012-1020.e2. PMID: 37318428, DOI: 10.1016/j.jvs.2023.05.040.Peer-Reviewed Original ResearchConceptsChronic limb-threatening ischemiaSingle-segment great saphenous veinLimb-threatening ischemiaRisk-adjusted analysisCohort 2Cohort 1BEST-CLICardiovascular eventsEndovascular revascularizationPerioperative complicationsRevascularization strategyLower extremity bypass surgeryMajor adverse cardiovascular eventsBest Surgical TherapyBEST-CLI trialPeri-procedure complicationsAdverse cardiovascular eventsPeri-procedural complicationsThirty-day mortalityAcute renal failureGreat saphenous veinEndovascular revascularization strategiesBest EndovascularPerioperative morbidityBypass surgery
2020
Lower 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 analysisSystematic review and meta-analysis of outcomes of lower extremity peripheral arterial interventions in patients with and without chronic kidney disease or end-stage renal disease
Anantha-Narayanan M, Sheikh AB, Nagpal S, Jelani QU, Smolderen KG, Regan C, Ionescu C, Ochoa Chaar CI, Schneider M, Llanos-Chea F, Mena-Hurtado C. Systematic review and meta-analysis of outcomes of lower extremity peripheral arterial interventions in patients with and without chronic kidney disease or end-stage renal disease. Journal Of Vascular Surgery 2020, 73: 331-340.e4. PMID: 32889074, DOI: 10.1016/j.jvs.2020.08.032.Peer-Reviewed Original ResearchConceptsCKD/end-stage renal diseaseEnd-stage renal diseaseNormal renal functionChronic kidney diseaseTarget lesion revascularizationLong-term mortalityPeripheral arterial diseaseRenal functionPAD interventionsMajor amputationRenal diseaseKidney diseaseOdds ratioNormal renal function groupIntervention typeRenal function groupCritical limb ischemiaPeripheral arterial interventionsConfidence intervalsPooled odds ratioOpen surgical approachMultivariable regression analysisCase-control matchingRandom-effects modelEvidence-based strategiesThe 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 arteryThe Reintervention Index: A New Outcome Measure for Comparative Effectiveness of Lower Extremity Revascularization
Ochoa Chaar CI, Gholitabar N, DeTrani M, Jorshery S, Zhuo H, Zhang Y, Dardik A. The Reintervention Index: A New Outcome Measure for Comparative Effectiveness of Lower Extremity Revascularization. Annals Of Vascular Surgery 2020, 69: 52-61. PMID: 32474144, DOI: 10.1016/j.avsg.2020.05.040.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAmputation, SurgicalComparative Effectiveness ResearchEndarterectomyEndovascular ProceduresFemaleHumansLimb SalvageLower ExtremityMaleMiddle AgedPeripheral Arterial DiseasePostoperative ComplicationsRetreatmentRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVascular GraftingConceptsOpen lower extremity revascularizationLower extremity revascularizationPeripheral artery diseaseEndovascular groupExtremity revascularizationOutcome measuresEndovascular lower extremity revascularizationFrequency of reinterventionsTertiary care centerCurrent outcome measuresNew outcome measureType of procedureCardiovascular comorbiditiesMajor amputationEndovascular revascularizationReintervention ratePatient characteristicsArtery diseaseConsecutive patientsMultivariable analysisRetrospective reviewOpen groupCare centerEndovascular proceduresReinterventionVariations in the Management of Claudication in a Tertiary Care Center
Ochoa Chaar CI, Gholitabar N, Detrani M, Jorshery SD, Kim TI, Zhuo H, Zhang Y, Dardik A. Variations in the Management of Claudication in a Tertiary Care Center. Annals Of Vascular Surgery 2020, 67: 395-402. PMID: 32179142, DOI: 10.1016/j.avsg.2020.02.015.Peer-Reviewed Original ResearchMeSH KeywordsAgedConservative TreatmentElectronic Health RecordsEndovascular ProceduresFemaleGuideline AdherenceHealthcare DisparitiesHumansIntermittent ClaudicationLower ExtremityMaleMiddle AgedPeripheral Arterial DiseasePractice Guidelines as TopicPractice Patterns, Physicians'Retrospective StudiesRisk FactorsRisk Reduction BehaviorTertiary Care CentersTime FactorsTreatment OutcomeVascular Surgical ProceduresConceptsLower extremity revascularizationAnkle-brachial indexVascular surgeonsConservative therapyWalking exercisesSmoking cessationMean ankle-brachial indexManagement of claudicationTertiary care centerRecords of patientsCoronary artery diseaseStandard of carePattern of symptomsQuality of lifeMajor amputationVascular claudicationMedical optimizationStatin medicationExtremity revascularizationArtery diseaseOpen revascularizationMedical managementSingle centerEndovascular interventionInstitutional protocol
2019
Perioperative Outcomes of Lower Extremity Revascularization for Rest Pain and Tissue Loss
Tsay C, Luo J, Zhang Y, Attaran R, Dardik A, Ochoa Chaar CI. Perioperative Outcomes of Lower Extremity Revascularization for Rest Pain and Tissue Loss. Annals Of Vascular Surgery 2019, 66: 493-501. PMID: 31756416, DOI: 10.1016/j.avsg.2019.11.019.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAmputation, SurgicalCritical IllnessDatabases, FactualFemaleGangreneHumansIschemiaLeg UlcerLength of StayLimb SalvageLower ExtremityMaleMiddle AgedPainPatient ReadmissionPeripheral Arterial DiseasePostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsSeverity of Illness IndexTime FactorsTreatment OutcomeUnited StatesVascular GraftingYoung AdultConceptsCritical limb ischemiaRest painMajor amputationTissue lossPerioperative outcomesTL patientsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseSevere peripheral artery diseaseQuality Improvement Program databaseTerms of pneumoniaWorse perioperative outcomesLonger hospital stayHigher American SocietyImprovement Program databasePeripheral artery diseaseCongestive heart failureLower Extremity RevascularizationICD-10 codesAnesthesiologists classUnplanned intubationHospital stayPerioperative mortalityExtremity revascularizationLimb ischemiaUse of neuraxial anesthesia for hybrid lower extremity revascularization is associated with reduced perioperative morbidity
Fereydooni A, O'Meara T, Popescu WM, Dardik A, Ochoa Chaar CI. Use of neuraxial anesthesia for hybrid lower extremity revascularization is associated with reduced perioperative morbidity. Journal Of Vascular Surgery 2019, 71: 1296-1304.e7. PMID: 31708304, DOI: 10.1016/j.jvs.2019.07.072.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseLower extremity revascularizationPeripheral arterial diseaseObstructive pulmonary diseaseNeuraxial anesthesiaGeneral anesthesiaPulmonary diseaseVentilator requirementHospital stayPerioperative morbidityBaseline characteristicsExtremity revascularizationWound infectionFunctional statusSurgeons National Surgical Quality Improvement Program datasetNational Surgical Quality Improvement Program datasetComplex peripheral arterial diseaseUse of NADependent functional statusInvasive hybrid proceduresPrimary anesthetic techniqueSicker patient populationGroup of patientsNAA groupHybrid procedureOne-Year Readmission after Open and Endovascular Revascularization for Critical Limb Ischemia
Ochoa Chaar CI, Gholitabar N, Goodney P, Dardik A, Abougergi MS. One-Year Readmission after Open and Endovascular Revascularization for Critical Limb Ischemia. Annals Of Vascular Surgery 2019, 61: 25-32.e2. PMID: 31376536, DOI: 10.1016/j.avsg.2019.07.003.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalCritical IllnessDatabases, FactualEndovascular ProceduresFemaleHospital MortalityHumansIschemiaLower ExtremityMalePatient ReadmissionPeripheral Arterial DiseaseReoperationRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular Surgical ProceduresConceptsEndovascular lower extremity revascularizationLower extremity revascularizationCritical limb ischemiaCharlson Comorbidity IndexNationwide Readmissions DatabaseExtremity revascularizationMajor amputationEndovascular groupLimb ischemiaHigher Charlson comorbidity indexOne-year readmissionCohort of patientsClinical Modification codesHigher readmission ratesRisk-adjusted outcomesCost of careComorbidity indexEndovascular revascularizationInpatient mortalityReadmission ratesSubsequent readmissionPatient characteristicsInitial treatmentOpen revascularizationNinth RevisionNational trends of hybrid lower extremity revascularization in the ACS-NSQIP database
Fereydooni A, Zhou B, Jorshery SD, Deng Y, Dardik A, Chaar CIO. National trends of hybrid lower extremity revascularization in the ACS-NSQIP database. Vascular 2019, 27: 653-662. PMID: 31126228, DOI: 10.1177/1708538119852019.Peer-Reviewed Original ResearchConceptsLower extremity revascularizationExtremity revascularizationPeripheral artery diseaseVascular surgeonsSurgical specialistsPerioperative outcomesArtery diseaseHybrid surgeryHybrid procedureNational Surgical Quality Improvement Project databaseSurgeons National Surgical Quality Improvement Project databaseDisease codes -9Non-vascular surgeonsCurrent Procedural Terminology codesACS-NSQIP databaseProcedural Terminology codesNational trendsContemporary national trendsAnesthesiologists classificationEmergent surgeryOverall morbidityOnly patientsFemoral endarterectomyPropensity matchingHybrid surgery for bilateral lower extremity inflow revascularization
Jorshery SD, Luo J, Zhang Y, Sarac T, Ochoa Chaar CI. Hybrid surgery for bilateral lower extremity inflow revascularization. Journal Of Vascular Surgery 2019, 70: 768-775.e2. PMID: 30837177, DOI: 10.1016/j.jvs.2018.11.037.Peer-Reviewed Original ResearchConceptsABF bypassSurgery patientsHybrid surgeryAmerican CollegeSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseSurgeons National Surgical Quality Improvement Program filesTotal hospital lengthHigh-risk patientsImprovement Program databasePropensity-matched analysisCritical limb ischemiaLower extremity revascularizationPopulation of patientsAxillobifemoral bypassComposite morbidityFemorofemoral bypassLess pneumoniaUnplanned intubationAortobifemoral bypassMajor amputationHospital lengthPerioperative outcomesBypass patients
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