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Background: Endovascular aneurysm repair (EVAR) success depends on imaging technology both in the planning and operative phases. Endovascular repair requires intravenous contrast and radiation exposure to the patient as well as radiation exposure to the operator. Recent developments in imaging technology attempt to merge preoperative imaging with intraoperative imaging to improve the efficiency and accuracy of EVAR. The Cydar 3-dimensional (3D) imaging system combines the preoperative and intraoperative imaging during the operation. We aim to investigate the use of the Cydar 3D imaging system during EVAR compared to conventional methods., Methods: Retrospective review of all patients undergoing an EVAR at a single quaternary vascular center from 2019-2023 was collected. This cohort was divided into 2 groups: (1) repair using Cydar 3D imaging or (2) repair without Cydar 3D imaging. Overall, 138 unique patients were identified with 27 operations using Cydar 3D imaging and 111 operations without Cydar 3D imaging. We performed a 1-to-1 propensity score-matched analysis using nearest-neighbor matching for variables including age, case urgency, and if the case was performed in the operative room or interventional radiology room. A match occurred when a patient in the Cydar 3D imaging group had an estimated score within 0.01 standard deviations of a patient in the control group. From this, we paired 27 from each cohort for a total of 54 patients. Demographic data included length of stay in days, contrast volume (mL), fluoroscopy time (min), procedure length (mins), mortality, and blood loss (mL). Univariate analyses were performed and a P value less than 0.05 was considered statistically significant., Results: A total of 54 vascular patients were analyzed: 27 without the Cydar 3D imaging and 27 with the Cydar 3D imaging. In the univariate analysis, there was no statistical difference in the average length of stay (6.4 days ± 11.76 vs. 4.1 ± 6.03, P = 0.372), aneurysm size (5.9 ± 1.4 vs. 5.9 ± 1.2, P = 0.88), contrast volume in mL (91.3 ± 47.0 vs. 91.1-33.49, P = 9.88), fluoroscopy time in mins (20.2 ± 17.2 vs. 19.5 ± 19.4, P = 0.89), procedure length (299.3 ± 177.9 vs. 353 ± 191.98, P = 0.279), and blood loss in mL (513.8 ± 791 vs. 353 ± 191.98, P = 0.594). There was an increase in reintervention for endoleaks in the group with use of Cydar 3D imaging (0 vs. 6, P = 0.043). A subanalysis of patients undergoing physician-modified EVARs did show a 15% reduction in the contrast volume used., Conclusions: The use of 3D imaging technology has the potential to increase the safety of EVAR to both patients and operators. In our study, we did not find any difference in standard EVARs; however, there was a contrast use decrease in physician-modified EVARs. Further studies will need to be performed to determine the realized benefit from performing EVARs using this new technology., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Type A aortic dissection is a life-threatening emergency requiring prompt surgical treatment. The dissection itself and use of cardiopulmonary bypass can lead to further postoperative complications, including aortic branch occlusion, thrombosis, ischemia, and fatal end-organ damage. Celiac artery occlusion with consequent hepatic malperfusion is one feared complication of aortic dissection, which requires urgent surgical intervention. Optimal management of celiac artery dissection in the setting of type A aortic dissection has not yet been described in the literature. In this report, we describe a 39-year-old female patient with hypertension who was found to have celiac artery dissection and impending hepatic failure less than 48 hours after emergent ascending aortic replacement for type A aortic dissection. Placement of an ultrasound-guided endovascular celiac artery stent enabled reperfusion of the liver, ultimately saving the patient's life., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2024, Shoemaker et al.)