2025
Sex Differences in Perioperative Complications of Lower Extremity Revascularization for Peripheral Artery Disease
Terrazos-Moreno R, Vu A, Alameddine D, Zhuo H, Mena-Hurtado C, Mojibian H, Guzman R, Ochoa Chaar C. Sex Differences in Perioperative Complications of Lower Extremity Revascularization for Peripheral Artery Disease. Annals Of Vascular Surgery 2025, 121: 113-119. PMID: 40447038, DOI: 10.1016/j.avsg.2025.05.041.Peer-Reviewed Original ResearchLower extremity revascularizationPeripheral arterial diseaseArtery diseaseEndovascular lower extremity revascularizationPerioperative complicationsExtremity revascularizationChronic renal insufficiencyOutcomes of patientsRetrospective chart reviewOutcomes of lower extremity revascularizationCoronary artery diseaseRisk of early thrombosisLower-extremity revascularizationRenal insufficiencyTertiary centerInitial presentationWound infectionIncreased bleedingNo significant differenceSmoking historyProcedure typePAD patientsPatient characteristicsPerioperative periodIncreased riskThe Incidence and Significance of Delayed Bleeding Events After Lower Extremity Revascularization in Patients with Advanced Peripheral Arterial Disease
Hundito A, Wells N, Tuttle M, Alameddine D, Huttler J, Slade M, Strosberg D, Lee A, Guzman R, Ochoa Chaar C. The Incidence and Significance of Delayed Bleeding Events After Lower Extremity Revascularization in Patients with Advanced Peripheral Arterial Disease. Journal Of Vascular Surgery 2025 PMID: 40187383, DOI: 10.1016/j.jvs.2025.03.394.Peer-Reviewed Original ResearchLower extremity revascularizationPeripheral arterial diseaseBleeding eventsBleeding episodesAdvanced peripheral arterial diseaseArtery diseaseAntithrombotic therapyExtremity revascularizationRetrospective review of patientsIncidence of bleeding eventsAssociated with worse overall outcomesDelayed bleeding eventsDiscontinuation of ASAPrescription of antithrombotic therapyRecurrent bleeding episodesReview of patientsChronic renal insufficiencyEnd-stage renal diseaseOutcomes of patientsTertiary care centerHistory of smokingRecurrent bleeding eventsLong-term outcomesCoronary artery diseaseLower-extremity revascularizationVariations in Antithrombotic Prescriptions and Evaluation of Extended Clopidogrel Therapy After Lower Extremity Revascularization for Peripheral Artery Disease
Wells N, Alameddine D, Dhanda U, Tran L, Silva D, Slade M, Guzman R, Ochoa Chaar C. Variations in Antithrombotic Prescriptions and Evaluation of Extended Clopidogrel Therapy After Lower Extremity Revascularization for Peripheral Artery Disease. Journal Of Vascular Surgery 2025 PMID: 40122313, DOI: 10.1016/j.jvs.2025.03.183.Peer-Reviewed Original ResearchLower extremity revascularizationPeripheral arterial diseaseDuration of clopidogrel therapyClopidogrel therapyAntithrombotic prescriptionAntithrombotic combinationsAntithrombotic therapyExtremity revascularizationArtery diseasePatients treated with clopidogrelAssociated with improved survivalClinical characteristics of patientsMedical records of patientsLong-term follow-upChronic renal insufficiencyMACE-free survivalAssociated with bleedingElectronic medical records of patientsAdverse cardiac eventsKaplan-Meier curvesRecords of patientsTertiary care centerCongestive heart failureLong-term outcomesComparison of patientsValidation of the WIfI Classification in the Vascular Quality Initiative database
Alameddine D, Satam K, Slade M, Cardella J, Aboian E, Guzman R, Mills J, Chaar C. Validation of the WIfI Classification in the Vascular Quality Initiative database. Journal Of Vascular Surgery 2025 PMID: 40056961, DOI: 10.1016/j.jvs.2025.03.001.Peer-Reviewed Original ResearchChronic limb-threatening ischemiaWIfI stageWIfI scoreWIfI classificationLower extremity revascularizationPeripheral vascular interventionsMajor amputationAssociated with major amputationWIfI clinical stagePredicting major amputationPeripheral vascular interventional proceduresAssociated with increased riskVascular Quality InitiativeRegression analysisAmputation groupAmputation resultsCox regression analysisLimb-threatening ischemiaCharacteristics of patientsAfrican AmericansQuality InitiativeAmputationRisk factorsExtremity revascularizationFoot Infection classificationEffect of Diabetes on Clinical Outcomes in Patients with Peripheral Arterial Disease undergoing Lower Extremity Revascularization: A Systematic Review and Meta-Analysis
Edjimbi J, Shah N, Kwaah P, Grimshaw A, Regan C, Nagpal S, Attaran R, Chaar C, Romain G, Smolderen K, Mena-Hurtado C. Effect of Diabetes on Clinical Outcomes in Patients with Peripheral Arterial Disease undergoing Lower Extremity Revascularization: A Systematic Review and Meta-Analysis. Journal Of Vascular Surgery 2025, 81: 1518-1528.e13. PMID: 40015609, DOI: 10.1016/j.jvs.2025.02.018.Peer-Reviewed Original ResearchLower extremity revascularizationPeripheral arterial diseaseHospital readmissionRelative riskDiabetes mellitusRandom-effects meta-analysisIncreased riskMeta-analysisAssociation of DMExtremity revascularizationMortality riskWound infectionRisk estimatesAssociated with diabetes mellitusClinical outcomesSystematic reviewArtery diseaseSystematic searchObservational studyWound infection riskReadmissionEffects of diabetesAmputationRiskHospital
2024
Variations in Antithrombotic Combinations and Prescription Durations After Lower Extremity Revascularization in Patients With Peripheral Arterial Disease
Wells N, Alameddine D, Dhanda U, Tran L, Silva D, Slade M, Guzman R, Chaar C. Variations in Antithrombotic Combinations and Prescription Durations After Lower Extremity Revascularization in Patients With Peripheral Arterial Disease. Journal Of Vascular Surgery 2024, 80: e135-e136. DOI: 10.1016/j.jvs.2024.07.076.Peer-Reviewed Original ResearchThe Incidence and Impact of Cardiac Function Decline after Lower Extremity Revascularization
Jamil Y, Huttler J, Alameddine D, Wu Z, Mena-Hurtado C, Velazquez E, Guzman R, Ochoa Chaar C. The Incidence and Impact of Cardiac Function Decline after Lower Extremity Revascularization. Annals Of Vascular Surgery 2024, 110: 414-423. PMID: 39343374, DOI: 10.1016/j.avsg.2024.07.119.Peer-Reviewed Original ResearchCardiac functional declineStable cardiac functionLower extremity revascularizationPeripheral arterial diseaseCardiac functionFollow-upExtremity revascularizationFunctional declineElectronic records of patientsKaplan-Meier analysisRecords of patientsMode of revascularizationAdverse limb eventsLower-extremity revascularizationTransthoracic echocardiogramReintervention rateHeart failureDiabetes mellitusPeriprocedural bleedingPatient characteristicsArtery diseasePatientsLimb eventsIncreased MortalityRevascularizationAbstract 1150: Effect Of Diabetes On Clinical Outcomes In Patients With Peripheral Arterial Disease Undergoing Lower Extremity Revascularization: A Systematic Review And Meta-analysis
EDJIMBI J, Aziri B, Begic E, Cleman J, Smolderen K, Mena-Hurtado C. Abstract 1150: Effect Of Diabetes On Clinical Outcomes In Patients With Peripheral Arterial Disease Undergoing Lower Extremity Revascularization: A Systematic Review And Meta-analysis. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44: a1150-a1150. DOI: 10.1161/atvb.44.suppl_1.1150.Peer-Reviewed Original ResearchPeripheral arterial diseaseLower extremity revascularizationLimb amputationRisk of major limb amputationOpen lower extremity revascularizationMajor limb amputationIncreased riskMeta-analysisImpact of diabetesEffects of diabetesExtremity revascularizationRandom-effects modelAssociated with diabetesClinical outcomesLower-extremity revascularizationSystematic reviewCochrane DatabaseSystematic searchReview ManagerObservational studyAmputationDiabetesAdverse cardiovascular eventsFollow-upDays of follow-up
2023
The Impact of Ejection Fraction on Major Adverse Limb Events after Lower Extremity Revascularization
Jamil Y, Huttler J, Alameddine D, Wu Z, Zhuo H, Mena-Hurtado C, Velazquez E, Guzman R, Ochoa Chaar C. The Impact of Ejection Fraction on Major Adverse Limb Events after Lower Extremity Revascularization. Annals Of Vascular Surgery 2023, 98: 210-219. PMID: 37802138, DOI: 10.1016/j.avsg.2023.08.009.Peer-Reviewed Original ResearchMajor adverse limb eventsReduced ejection fractionLower extremity revascularizationPeripheral arterial diseaseMALE-free survivalAdverse limb eventsCoronary artery diseaseEjection fractionExtremity revascularizationArtery diseaseLimb eventsChronic limb-threatening ischemiaLimb-threatening ischemiaTricuspid valve regurgitationKaplan-Meier curvesElectronic medical recordsMajor amputationSevere mitralDiastolic dysfunctionEchocardiographic findingsTransthoracic echocardiogramHeart failureValve regurgitationArterial diseaseSingle centerHigh-Risk Characteristics for Clinical Failure after Isolated Femoropopliteal Peripheral Vascular Interventions
Kim T, Schneider P, Iannuzzi J, Ochoa Chaar C. High-Risk Characteristics for Clinical Failure after Isolated Femoropopliteal Peripheral Vascular Interventions. Annals Of Vascular Surgery 2023, 96: 253-260. PMID: 37088359, DOI: 10.1016/j.avsg.2023.04.010.Peer-Reviewed Original ResearchConceptsPaclitaxel-coated devicesPeripheral vascular interventionsClinical failureHigh riskRisk scoreRest painVascular interventionsMultivariable hierarchical logistic regressionRisk score developmentPrimary end pointHigh-risk patientsVascular Quality InitiativeLower extremity revascularizationTrans-Atlantic InterInsulin-dependent diabetesNovel risk scoreHigh-risk characteristicsLoss of patencyHierarchical logistic regressionMajor amputationLate mortalityMinor amputationExtremity revascularizationOcclusion lengthFemale sexIntervention to optimize follow-up after lower extremity revascularization
Kim T, Lee S, Gorecka J, Baratta V, Elliston S, Fillion S, Mena-Hurtado C, Mojibian H, Ahuja V, Guzman R, Chaar C. Intervention to optimize follow-up after lower extremity revascularization. JVS-Vascular Insights 2023, 1: 100005. DOI: 10.1016/j.jvsvi.2023.100005.Peer-Reviewed Original ResearchLower extremity revascularizationVascular specialistsExtremity revascularizationQI interventionsAcute limb ischemiaHistory of diabetesPeripheral arterial diseaseTertiary care centerMajority of patientsQuality improvement interventionsBrief telephone surveyRest painEndovascular revascularizationChart reviewLimb ischemiaArterial diseaseIndex procedureMean ageWorse outcomesCare centerObjective PatientsVascular carePatientsTissue lossImprovement interventions
2022
Predictors of Major Adverse Limb Events After Infrainguinal Bypass in Patients with Diabetes
Alameddine D, Satam K, Slade M, Wang H, Mena-Hurtado C, Turner J, Inzucchi S, Chaar C. Predictors of Major Adverse Limb Events After Infrainguinal Bypass in Patients with Diabetes. American Heart Journal 2022, 254: 241. DOI: 10.1016/j.ahj.2022.10.026.Peer-Reviewed Original ResearchMajor adverse limb eventsLower extremity revascularizationPeripheral artery diseaseAdverse limb eventsInfrainguinal bypassInsulin useDiabetes mellitusLimb eventsVascular Quality Initiative databaseHigher major amputationObjective Diabetes mellitusOutcomes of patientsAssociation of diabetesLower primary patencyMajor risk factorMajor amputationPrimary patencyExtremity revascularizationInsulin therapyKidney transplantArtery diseaseGlucose controlA1c controlRisk factorsHigh riskMajor Adverse Limb Events Among Patients with Premature Peripheral Artery Disease Compared with Those at the Common Age Undergoing Revascularization in the Vascular Quality Initiative
Kim TI, Loh S, DeWan A, Murray M, Mojibian H, Mani A, Mena-Hurtado C, Ochoa Chaar CI. Major Adverse Limb Events Among Patients with Premature Peripheral Artery Disease Compared with Those at the Common Age Undergoing Revascularization in the Vascular Quality Initiative. Annals Of Vascular Surgery 2022, 87: 188-197. PMID: 35926786, DOI: 10.1016/j.avsg.2022.07.007.Peer-Reviewed Original ResearchConceptsMajor adverse limb eventsChronic limb-threatening ischemiaLower extremity revascularizationAdverse limb eventsVascular Quality InitiativePeripheral artery diseaseYears of ageCommon ageLimb eventsArtery diseaseOutcomes of patientsLimb-threatening ischemiaGroup of patientsInsulin-dependent diabetesProportional hazards regressionQuality InitiativeUndergoing revascularizationMedical optimizationCurrent smokersD diseaseExtremity revascularizationPatient agePatients 60Medical therapyHazards regressionThe Impact of Clinical Follow-Up After Revascularization on the Outcomes of Patients with Chronic Limb Threatening Ischemia
Kiwan G, Mohamedali A, Kim T, Zhuo H, Zhang Y, Mena-Hurtado C, Mojibian H, Cardella J, Ochoa Chaar CI. The Impact of Clinical Follow-Up After Revascularization on the Outcomes of Patients with Chronic Limb Threatening Ischemia. Annals Of Vascular Surgery 2022, 86: 286-294. PMID: 35803459, DOI: 10.1016/j.avsg.2022.05.043.Peer-Reviewed Original ResearchConceptsLower extremity revascularizationReintervention rateCompliant patientsNoncompliant patientsLimb amputationSingle-center retrospective chart reviewChronic limb threatening ischemiaOverall reintervention rateOutcomes of patientsLimb threatening ischemiaMajor amputation ratePeripheral arterial diseaseRetrospective chart reviewLong-term outcomesMajor limb amputationImpact of ClinicalSignificant differencesMajor amputationAmputation ratePerioperative outcomesBaseline characteristicsChart reviewExtremity revascularizationIschemia patientsMore reinterventionsEscalation of Antithrombotic Therapy in Patients With Premature Peripheral Artery Disease Undergoing Lower Extremity Revascularization
Kim T, DeWan A, Murray M, Wang H, Mani A, Mena-Hurtado C, Guzman R, Chaar C. Escalation of Antithrombotic Therapy in Patients With Premature Peripheral Artery Disease Undergoing Lower Extremity Revascularization. Journal Of Vascular Surgery 2022, 75: e281. DOI: 10.1016/j.jvs.2022.03.640.Peer-Reviewed Original ResearchLower Extremity Revascularization Among Patients With Premature Peripheral Artery Disease Compared To Patients At The Common Age Of Presentation In The Vascular Quality Initiative
Kim T, Loh S, Dewan A, Murray M, Mojibian H, Mani A, Mena-Hurtado C, Chaar C. Lower Extremity Revascularization Among Patients With Premature Peripheral Artery Disease Compared To Patients At The Common Age Of Presentation In The Vascular Quality Initiative. Annals Of Vascular Surgery 2022, 79: 400-401. DOI: 10.1016/j.avsg.2021.12.049.Peer-Reviewed Original ResearchMajor adverse limb eventsLower extremity revascularizationPeripheral artery diseaseCommon ageExtremity revascularizationArtery diseaseAdverse limb eventsDe novo diseaseOutcomes of patientsVascular Quality InitiativeInsulin-dependent diabetesSevere disease burdenNovo diseaseTASC classificationConclusions PatientsPatient agePatients 60Poor outcomeDisease burdenSevere diseaseLimb eventsPatientsLogistic regressionOne-yearDisease
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 procedureClaudicationPrognostic Value of Radiotracer-Based Perfusion Imaging in Critical Limb Ischemia Patients Undergoing Lower Extremity Revascularization
Chou TH, Alvelo JL, Janse S, Papademetris X, Sumpio BE, Mena-Hurtado C, Sinusas AJ, Stacy MR. Prognostic Value of Radiotracer-Based Perfusion Imaging in Critical Limb Ischemia Patients Undergoing Lower Extremity Revascularization. JACC Cardiovascular Imaging 2020, 14: 1614-1624. PMID: 33221224, PMCID: PMC8113329, DOI: 10.1016/j.jcmg.2020.09.033.Peer-Reviewed Original ResearchConceptsCritical limb ischemiaLower extremity revascularizationDiabetes mellitusSPECT/CTPrognostic valuePerfusion responseAmputation outcomesExtremity revascularizationFoot perfusionCritical limb ischemia patientsAmputation-free survivalIncidence of amputationSubsequent clinical outcomesRegional perfusion abnormalitiesSingle photon emissionIschemia patientsLimb ischemiaClinical outcomesFoot ulcersPerfusion abnormalitiesCT perfusionRevascularizationRadiotracer uptakePatientsPerfusion imagingLower 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 analysisDiscrepancy 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 groupOutcomesRevascularization
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