Raul J Guzman, MD
Donald Gutherie Professor of Vascular SurgeryCards
About
Research
Publications
2025
Validation 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 classificationHydration Attenuates the Degree of Non-Pathologic Iliac Vein Stenosis Detected by Magnetic Resonance Imaging
Schultz K, Gathagan R, Kuehne A, Rodriguez P, Huber S, Attaran R, Perez-Lozada J, Tonnessen B, Aboian E, Guzman R, Chaar C. Hydration Attenuates the Degree of Non-Pathologic Iliac Vein Stenosis Detected by Magnetic Resonance Imaging. Journal Of Vascular Surgery Venous And Lymphatic Disorders 2025, 13: 102086. DOI: 10.1016/j.jvsv.2024.102086.Peer-Reviewed Original ResearchAntithrombotic Therapy In Patients With Atrial Fibrillation Undergoing Peripheral Vascular Interventions
Said S, Alameddine D, Aboian E, Strosberg D, Tonnessen B, Cardella J, Guzman R, Chaar C. Antithrombotic Therapy In Patients With Atrial Fibrillation Undergoing Peripheral Vascular Interventions. Annals Of Vascular Surgery 2025, 112: 436-437. DOI: 10.1016/j.avsg.2024.11.070.Peer-Reviewed Original ResearchOutcomes of Mechanical Thrombectomy for Acute Limb Ischemia at a Tertiary Referral Center
Loh S, Nasir A, Strosberg D, Ochoa Chaar C, Guzman R, Tonnessen B. Outcomes of Mechanical Thrombectomy for Acute Limb Ischemia at a Tertiary Referral Center. Journal Of Vascular Surgery 2025 PMID: 40024380, DOI: 10.1016/j.jvs.2025.02.027.Peer-Reviewed Original ResearchTertiary referral centerAcute limb ischemiaAdverse cardiovascular eventsReferral centerMechanical thrombectomyOpen surgeryThirty-dayCardiovascular eventsConversion to open surgeryLimb ischemiaTreated with mechanical thrombectomyMedian follow-upCatheter-directed thrombolysisManagement of acute limb ischemiaDuration of symptomsThirty-day complicationsOutcomes of mechanical thrombectomyRisk of limb lossHigh risk of limb lossAcute limb ischemia casesMechanical thrombectomy devicesBleeding eventsMulticenter trialThrombosed bypassesThrombosed stentCompensation Study of Vascular Surgeons in the United States
Calligaro K, Lombardi J, Aulivola B, Azizzadeh A, Brahmanandam S, Duson S, Gupta A, Guzman R, Haurani M, Hunter K, Jeyabalan G, Lin J, McDevitt D, Powell R, Schermerhorn M, Smeds M. Compensation Study of Vascular Surgeons in the United States. Journal Of Vascular Surgery 2025 PMID: 39800122, DOI: 10.1016/j.jvs.2024.11.042.Peer-Reviewed Original ResearchSociety for Vascular SurgeryNon-white respondentsRespondents' demographic characteristicsMultivariate linear regressionVascular surgeonsUnited StatesLeadership engagementSurgeon compensationPractice settingsAcademic affiliationMedical specialtiesDemographic characteristicsTotal compensationCompensation plansTask ForceHigher compensationAssess factorsWorkforce diversityMale genderRespondentsSoft launchCompensation studiesExperience levelLinear regressionSVS membershipSystematic review and meta-analysis of the genetics of peripheral arterial disease
Chaar C, Kim T, Alameddine D, DeWan A, Guzman R, Dardik A, Nardini H, Wallach J, Kullo I, Murray M. Systematic review and meta-analysis of the genetics of peripheral arterial disease. Journal Of Vascular Surgery 2025, 81: a13-a14. DOI: 10.1016/j.jvs.2024.10.063.Peer-Reviewed Original ResearchMidterm Outcomes of thoracic endovascular aortic repair versus Optimal Medical Therapy for Uncomplicated Acute Type B Dissection
Hu K, Ma W, Pupovac S, Hameed I, Fereydooni S, Li E, Larson H, Zafar M, Tonnessen B, Cardella J, Aboian E, Guzman R, Chaar C, Strosberg D, Williams M, Nassiri N, Assi R, Vallabhajosyula P. Midterm Outcomes of thoracic endovascular aortic repair versus Optimal Medical Therapy for Uncomplicated Acute Type B Dissection. JTCVS Open 2025 DOI: 10.1016/j.xjon.2024.12.013.Peer-Reviewed Original ResearchThoracic endovascular aortic repairThoracic endovascular aortic repair groupOptimal medical therapyOptimal medical therapy groupMidterm outcomes of thoracic endovascular aortic repairOutcomes of thoracic endovascular aortic repairUncomplicated acute type B aortic dissectionEndovascular aortic repairAcute kidney injuryAortic repairMidterm outcomesMedical therapyUncomplicated acute type B dissectionAcute type B aortic dissectionAcute type B dissectionAssociated with improved survivalType B aortic dissectionThirty-day ratesType B dissectionB aortic dissectionPost-operative dataMidterm follow-upIn-hospital/30-day mortalityKaplan-Meier survivalB dissectionPilot study of a comprehensive multidisciplinary inpatient-based approach to smoking cessation in patients with vascular disease
Kim T, Brahmandam A, Alameddine D, Forman R, Hardik A, Fucito L, Mena-Hurtado C, Guzman R, Chaar C. Pilot study of a comprehensive multidisciplinary inpatient-based approach to smoking cessation in patients with vascular disease. JVS-Vascular Insights 2025, 3: 100174. DOI: 10.1016/j.jvsvi.2024.100174.Peer-Reviewed Original ResearchSmoking cessation ratesSmoking cessation programSmoking cessationCessation programsCessation ratesQuit smokingTeachable momentInpatient smoking cessation interventionsPatient-Reported Outcomes Measurement Information System questionnairesFree nicotine replacement therapyPilot studySmoking cessation counselingSmoking cessation interventionsProvider follow-upCarbon monoxide breath testNicotine replacement therapyCare of patientsQuality of lifeCessation counselingCessation interventionsInpatient strategiesVascular surgeryMental healthStop smokingCounseling sessions
2024
The association of reduced ejection fraction with the outcomes of endovascular abdominal aortic aneurysm repair
Bellamkonda K, Zogg C, Desai N, Strosberg D, Stone D, Guzman R, Ochoa Chaar C. The association of reduced ejection fraction with the outcomes of endovascular abdominal aortic aneurysm repair. Journal Of Vascular Surgery 2024, 81: 866-876. PMID: 39725244, DOI: 10.1016/j.jvs.2024.12.039.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAortic Aneurysm, AbdominalBlood Vessel Prosthesis ImplantationCardiomyopathiesDatabases, FactualEndovascular ProceduresFemaleHumansMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsStroke VolumeTime FactorsTreatment OutcomeUnited StatesVentricular Function, LeftConceptsEndovascular aneurysm repairEjection fractionReduced EFIschemic cardiomyopathyNormal EFNonischemic cardiomyopathyAneurysm repairOutcomes of endovascular abdominal aortic aneurysm repairOutcomes of endovascular aneurysm repairEndovascular abdominal aortic aneurysm repairAssociated with higher 30-day mortalitySymptomatic abdominal aortic aneurysmElective endovascular aneurysm repairAbdominal aortic aneurysm repairHigher 30-day mortalityVascular Quality Initiative databaseAssociated with high mortalityAortic aneurysm repairVascular Surgery guidelinesAbdominal aortic aneurysmLong-term mortalityVascular Quality InitiativeSeverity of cardiomyopathyReduction of EFSurgery guidelinesPresentation and patterns of reinterventions after revascularization in patients with premature peripheral arterial disease
Sivakumar A, Satam K, Wu Z, Alameddine D, Aboian E, Chaer R, Schermerhorn M, Moreira C, Guzman R, Chaar C. Presentation and patterns of reinterventions after revascularization in patients with premature peripheral arterial disease. European Journal Of Vascular And Endovascular Surgery 2024, 68: e77. DOI: 10.1016/j.ejvs.2024.11.007.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
Clinical Care
Overview
Dr. Guzman is Chief, Division of Vascular Surgery at Yale New Haven Hospital. He is also Surgeon-in-Chief, Vascular Surgery, Heart and Vascular Center for the Yale New Haven Health System. He came to Yale from Beth Israel Deaconess Medical Center and Harvard Medical School. Prior to moving to Boston, he spent the early portion of his career at Vanderbilt Medical Center in Nashville, Tennessee where he served for several years as Chief of Vascular Surgery at the Nashville VA Hospital. He received his medical degree from the Johns Hopkins University in Baltimore, MD. After completing his residency in general surgery, he undertook research training in the Cardiology Branch of the National Heart, Lung and Blood Institute at the National Institutes of Health in Bethesda, MD and subsequently completed a fellowship in vascular surgery at Stanford University Hospital. He currently serves as a permanent member of the Bioengineering, Technology, and Surgical Sciences Study Section of the NIH. His clinical interests relate to patients with diabetic vascular disease and ischemic foot ulcers. His research focuses on the role of arterial calcification in lower extremity ischemia.
Clinical Specialties
Fact Sheets
Vascular Surgery
Learn More on Yale MedicinePeripheral Artery Disease (PAD)
Learn More on Yale MedicineAortic Aneurysm
Learn More on Yale MedicinePeripheral Vascular Disease (PVD)
Learn More on Yale Medicine
Board Certifications
Vascular Surgery
- Certification Organization
- AB of Surgery
- Original Certification Date
- 1998
Yale Medicine News
News
News
- December 12, 2024
Yale Vascular Surgery Launches Same-Day Dialysis Access Program
- December 12, 2024
Dr. Raul Guzman Receives the 2024 Dr. Walter E. Longo MD Award
- June 03, 2024
Vascular Innovates Sedation Model to Alleviate OR Capacity
- May 02, 2024
Yale Surgeons Recognized by Connecticut Magazine's 2024 “Top Doctors” List
Get In Touch
Contacts
Yale University
330 Cedar Street, Boardman Building, Ste 204A
New Haven, CT 06520
United States
Administrative Support
Locations
Vascular & Endovascular Surgery
Academic Office
Boardman Building
330 Cedar Street
New Haven, CT 06510
Business Office
203.785.2561Patient Care Locations
Are You a Patient? View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.