2024
Intravascular Ultrasound Use is Associated with Improved Patency in Lower Extremity Peripheral Arterial Interventions
Brahmandam A, Kim T, Parziale S, Deng Y, Setia O, Tonnessen B, Ochoa Chaar C, Guzman R, Aboian E. Intravascular Ultrasound Use is Associated with Improved Patency in Lower Extremity Peripheral Arterial Interventions. Annals Of Vascular Surgery 2024, 106: 410-418. PMID: 38810722, DOI: 10.1016/j.avsg.2024.03.008.Peer-Reviewed Original ResearchChronic limb-threatening ischemiaChronic limb threatening ischemia patientsGeneralized estimating equationsPeripheral vascular interventionsPeripheral arterial diseaseAssociated with improved patencyPredictors of 1-year outcomeIntravascular ultrasound useVascular Quality InitiativeSubgroup analysisAdjunctive useD lesionsTASC CPropensity matchingTreatment modalitiesTrans-Atlantic Inter-Society Consensus (TASC) classificationMajor amputationLimb-threatening ischemiaBalloon angioplastyIntravascular ultrasoundImproved patencyUltrasound useOne-year followQuality InitiativePredictors of patency
2023
The Utilization of Protamine during Peripheral Vascular Interventions in the VQI
Ali S, Shebl F, Aboian E, Strosberg D, Fischer U, Cardella J, Guzman R, Ochoa Chaar C. The Utilization of Protamine during Peripheral Vascular Interventions in the VQI. Annals Of Vascular Surgery 2023, 101: 72-79. PMID: 38110083, DOI: 10.1016/j.avsg.2023.10.019.Peer-Reviewed Original ResearchPeripheral vascular interventionsAdjusted rate ratiosProtamine useCardiac complicationsPropensity matchingVascular interventionsChronic obstructive pulmonary diseasePropensity scoreCharacteristics of patientsPeripheral arterial diseaseCongestive heart failureObstructive pulmonary diseaseMultivariable Poisson regressionUse of protamineSignificant differencesMedical comorbiditiesP2Y12 inhibitorsPerioperative bleedingPerioperative medicationsPerioperative outcomesDistal embolizationPatient comorbiditiesCarotid surgeryHeart failurePulmonary diseaseCarbon 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 disease
2020
Regional 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 CollegeThe 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 arteryPresentation 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
National 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 matching