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 surgeryThe management of patients with popliteal artery aneurysms presenting with acute limb ischemia
Satam K, Aboian E, Cardella J, Slade M, Nassiri N, Dardik A, Guzman R, Ochoa Chaar C. The management of patients with popliteal artery aneurysms presenting with acute limb ischemia. Journal Of Vascular Surgery 2023, 78: 506-513. PMID: 37086824, DOI: 10.1016/j.jvs.2023.04.019.Peer-Reviewed Original ResearchConceptsAcute limb ischemiaEndovascular repairPeripheral vascular interventionsOpen repairLimb ischemiaEndovascular popliteal artery aneurysm repairPopliteal artery aneurysm repairVascular Quality Initiative databaseMajor amputation ratePopliteal artery aneurysmsCoronary artery diseaseManagement of patientsLong-term outcomesMultivariable regression analysisHigher inpatientMajor amputationPAA repairAmputation rateHospital lengthPerioperative complicationsPerioperative mortalityPostoperative lengthDecreased complicationsInfrainguinal bypassOnly patientsThe 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 medicationCharacteristics 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 ResearchMeSH KeywordsAortic Aneurysm, AbdominalAortic RuptureBlood Vessel Prosthesis ImplantationEndovascular ProceduresFemaleHumansMaleMyocardial InfarctionConceptsEndovascular 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 characteristics
2020
Location 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 treatmentOutcomes 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 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 ResearchMeSH KeywordsEndovascular ProceduresHumansKidney Failure, ChronicLower ExtremityPeripheral Arterial DiseaseRenal Insufficiency, ChronicRisk FactorsConceptsCKD/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 strategiesTrends 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 embolismThe 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 proceduresReinterventionPostcontrast 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 complicationVariations 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 protocolRapid increase in hybrid surgery for the treatment of peripheral artery disease in the Vascular Quality Initiative database
Fereydooni A, Zhou B, Xu Y, Deng Y, Dardik A, Ochoa Chaar CI. Rapid increase in hybrid surgery for the treatment of peripheral artery disease in the Vascular Quality Initiative database. Journal Of Vascular Surgery 2020, 72: 977-986.e1. PMID: 32067877, DOI: 10.1016/j.jvs.2019.11.041.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmputation, SurgicalCombined Modality TherapyDatabases, FactualEndarterectomyEndovascular ProceduresFemaleFemoral ArteryHumansLimb SalvageMaleMiddle AgedPeripheral Arterial DiseasePopliteal ArteryPostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVascular GraftingVascular PatencyConceptsLower extremity revascularizationOpen lower extremity revascularizationVascular Quality Initiative databaseFemoropopliteal revascularizationHybrid surgeryAmbulatory statusFemoropopliteal bypassArtery diseaseFemoral endarterectomyChronic obstructive pulmonary diseaseAmputation-free survivalHigh-risk patientsPeripheral artery diseaseVascular Quality InitiativeObstructive pulmonary diseaseCoronary artery diseaseGroup of patientsKaplan-Meier analysisInitiative databaseLength of stayContemporary national trendsBYP groupFemoropopliteal vesselsHYB groupPerioperative advantages
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 survivalA Pilot Study of a Standardized Smoking Cessation Intervention for Patients with Vascular Disease
Rajaee S, Holder T, Indes JE, Muhs B, Sarac T, Sumpio B, Toll BA, Ochoa Chaar CI. A Pilot Study of a Standardized Smoking Cessation Intervention for Patients with Vascular Disease. Annals Of Vascular Surgery 2019, 61: 91-99.e3. PMID: 31449932, DOI: 10.1016/j.avsg.2019.06.017.Peer-Reviewed Original ResearchMeSH KeywordsAneurysmCardiovascular AgentsCholinergic AgentsConnecticutEndovascular ProceduresFemaleHumansMaleMiddle AgedNicotinePatient Education as TopicPeripheral Arterial DiseasePilot ProjectsRisk FactorsRisk Reduction BehaviorSmokersSmokingSmoking CessationTime FactorsTobacco Use Cessation DevicesTransdermal PatchTreatment OutcomeVascular Surgical ProceduresConceptsSmoking cessation interventionIntervention groupSurgery providersPrimary outcomeCessation interventionsExact testBrief smoking cessation counselingCurrent smoking cessation practicesCarbon monoxide breath testingSmoking cessation counselingSmoking cessation practicesVascular surgery serviceSmoking cessation counseling sessionsTertiary care centerFree nicotine patchesSmoking cessation programOpen surgical proceduresOutpatient smoking cessation programFisher's exact testCessation counselingVascular complicationsStandard careNicotine patchNicotine replacementVascular patientsOne-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 Revision