Comparison of attachment site endoleak rates in Dacron versus native aorta landing zones after thoracic endovascular aortic repair Asvin M. Ganapathi,

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Presentation transcript:

Comparison of attachment site endoleak rates in Dacron versus native aorta landing zones after thoracic endovascular aortic repair Asvin M. Ganapathi, MD, Nicholas D. Andersen, MD, Jennifer M. Hanna, MD, MBA, Jeffrey G. Gaca, MD, Richard L. McCann, MD, G. Chad Hughes, MD Journal of Vascular Surgery Volume 59, Issue 4, Pages 921-929 (April 2014) DOI: 10.1016/j.jvs.2013.10.086 Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 1 Example of Dacron landing zones used with thoracic endovascular aortic repair (TEVAR). A, Proximal landing zone in Dacron elephant trunk and distal landing zone in thoracoabdominal aortic aneurysm (TAAA) repair Dacron graft for total aortic replacement. B, Proximal and distal Dacron landing zones in the descending thoracic portion of a Dacron TAAA graft for progressive enlargement of an intercostal patch aneurysm (arrow) developing late after prior open extent II TAAA repair in a Marfan patient. This patient had also undergone prior visceral patch aneurysm repair through a hybrid approach including visceral debranching and endograft exclusion of the pseudoaneurysm, and this repair is partially visible at the bottom portion of the figure. Journal of Vascular Surgery 2014 59, 921-929DOI: (10.1016/j.jvs.2013.10.086) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 2 Comparison of actuarial freedom from endoleak by Kaplan-Meier analysis is shown for Dacron landing zones (solid line), endograft landing zones (dashed line), and native landing zones (dotted line). SE, Standard error. Journal of Vascular Surgery 2014 59, 921-929DOI: (10.1016/j.jvs.2013.10.086) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 3 Type I endoleak rate by tertile of institutional experience. Note statistically significant reduction in the overall type I endoleak rate with increasing experience, including a significant reduction in type I endoleak rate for the Dacron landing zones over time. Journal of Vascular Surgery 2014 59, 921-929DOI: (10.1016/j.jvs.2013.10.086) Copyright © 2014 Society for Vascular Surgery Terms and Conditions

Fig 4 Comparison of actuarial Kaplan-Meier freedom from endoleak is shown for tertile 1 (solid line) and tertiles 2 and 3 (dashed line) in the (A) native landing zone cohort, (B) in the cohort with a Dacron landing zone, and (C) across all landing zones. Journal of Vascular Surgery 2014 59, 921-929DOI: (10.1016/j.jvs.2013.10.086) Copyright © 2014 Society for Vascular Surgery Terms and Conditions