b'Scientific Session Abstracts SUNDAY APRIL 21, 2024 Group A Mild Group B MildGroup CGroup DAtherosclerosisModerateModerateModerate and Type I-II- Severe- Severe- SevereP-valueArch Atherosclerosis AtherosclerosisAtherosclerosisand Type I-IIIpsilateral 5,016 (48.18) 396 (45.67) 1,953 (47.88) 304 (50.00) 0.390Contralateral 1,039 (9.34) 73 (7.90) 532 (12.21) 74 (11.23) 0.001Bovine Arch 1,369 (10.58) 121 (10.34) 527 (10.33) 81 (9.72) 0.104Elective 10,797 (83.19) 986 (83.91) 4,373 (85.34) 674 (80.72) 0.001Smoking HistoryPrior Smoker 6,129 (47.24) 552 (47.02) 2,690 (52.55) 428 (51.26) 0.001Current Smoker 2,949 (22.73) 267 (22.74) 1,322 (25.83) 200 (23.95) 0.001General 8,492 (65.44) 646 (55.03) 3,408 (66.51) 457 (54.73) 0.001Pre-operative MedicationP2Y Inhibitor 11,461 (88.31) 1,033 (87.91) 4,528 (88.42) 745 (89.33) 0.793Statin 11,645 (89.73) 1,047 (89.18) 4,610 (90.04) 755 (90.42) 0.746Aspirin 11,789 (90.82) 1,066 (90.72) 4,601 (89.83) 746 (89.34) 0.130Beta-blocker 6,934 (53.44) 600 (51.15) 2,926 (57.13) 472 (56.53) 0.001RAAS inhibitor 6,917 (53.30) 590 (50.21) 2,793 (54.53) 440 (52.69) 0.054Anticoagulant 1,801 (13.88) 169 (14.38) 829 (16.19) 130 (15.57) 0.001CHF: Congestive Heart Failure; COPD: Chronic Obstructive Pulmonary Disease; CKD: Chronic Kidney Disease; ASA: American Society of Anesthesiology; TIA: Transient Ischemic Attack; CEA: Carotid Endarterectomy; CAS: Carotid Artery Stenting; CABG: Coronary Artery Bypass Graft; PCI: Percutaneous Coronary InterventionTable I: Outcomes of TCAR vs TFCAS Stratified to Aortic ARch Type andDegree of Atherosclerosis90SOUTHERN CALIFORNIA VASCULAR SURGICAL SOCIETY'