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Enrique Criado, MD, William A. Marston, MD, John T

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Presentation on theme: "Enrique Criado, MD, William A. Marston, MD, John T"— Presentation transcript:

1 An aortic aneurysm model for the evaluation of endovascular exclusion prostheses 
Enrique Criado, MD, William A. Marston, MD, John T. Woosley, MD, John Ligush, MD, Timothy A. Chuter, MD, Christopher Baird, BS, Cynthia A. Suggs, BS, Mathew A. Mauro, MD, Blair A. Keagy, MD  Journal of Vascular Surgery  Volume 22, Issue 3, Pages (September 1995) DOI: /S (95)70146-X Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Operative photo of infrarenal aortic aneurysm created by suturing patch of small intestine to anterior longitudinal aortotomy. Aneurysms created in this fashion typically measured two to three times diameter of adjacent proximal aorta. To right, inferior mesenteric and lumbar arteries are temporarily controlled with hemoclips that were removed at completion of procedure. Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 Uncrimped Dacron grafts (Cooley Very Soft) sutured to Gianturco Z stents at both ends were used for endovascular exclusion of surgically created infrarenal aortic aneurysms in dogs. Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 Aortogram of infrarenal aortic aneurysm created in dog by suturing patch of small intestine to longitudinal aortotomy (top). Completion aortogram after endovascular exclusion of aneurysm with stented Dacron graft (bottom). Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5 Fig. 4 Infrarenal aortic specimen, removed while patent 3 months after successful exclusion with stented Dacron endovascular graft. Note significant shrinkage of aneurysm sac relative to adjacent aorta, compared with size at implantation shown in Fig. 1. Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

6 Fig. 5 Histologic section (low power) of proximal aspect of excluded experimental aortic aneurysm at 3 months after implantation. Dacron and stents are covered with fibrocellular layer on lumenal surface. Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

7 Fig. 6 Histologic section of mid portion (aneurysm sac) of excluded experimental aortic aneurysm at 3 months after implantation. Space between Dacron graft and intestine (aneurysm sac) is virtual and occupied by thin layer of degenerating red blood cells and organizing scar, but without persistent thrombus. Journal of Vascular Surgery  , DOI: ( /S (95)70146-X) Copyright © 1995 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

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