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Ascending Aorta Resection and End-to-End Anastomosis: Redistribution of Wall Shear Stress Induced by a Bioprosthetic Heart Valve

1
Mediterranean Institute for Transplantation and Advanced Specialized Therapies (ISMETT), Via Tricomi n.5, 90100 Palermo, Italy
2
Department of Engineering, University of Palermo, Viale delle Scienze Ed.8, 90128 Palermo, Italy
*
Author to whom correspondence should be addressed.
Received: 4 September 2020 / Revised: 23 September 2020 / Accepted: 29 September 2020 / Published: 9 October 2020
(This article belongs to the Section Bioengineering and Biomaterials)
Although aortic resection and end-to-end anastomosis are applied to repair ascending aortic aneurysm, there is a lack of information on the late risk of post-operative complications, such as aortic dissection and aneurysmal re-dilatation. It is recognized that altered hemodynamic forces exerted on an aortic wall play an important role on dissection and aneurysm formation. We present a case in which the hemodynamic forces were investigated prior and after repair of an ascending aorta treated by resection with end-to-end anastomosis and a bioprosthetic heart valve. Post-operative wall shear stress was redistributed uniformly along the vessel circumference, and this may suggest a reduced risk of complications near aortic root, but not exclude the re-dilatation of the ascending aorta. View Full-Text
Keywords: aorta/aortic; aortic dissection; aneurysm; ascending aorta; computational fluid dynamic aorta/aortic; aortic dissection; aneurysm; ascending aorta; computational fluid dynamic
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MDPI and ACS Style

Raffa, G.M.; Pasta, S. Ascending Aorta Resection and End-to-End Anastomosis: Redistribution of Wall Shear Stress Induced by a Bioprosthetic Heart Valve. Prosthesis 2020, 2, 297-303. https://0-doi-org.brum.beds.ac.uk/10.3390/prosthesis2040026

AMA Style

Raffa GM, Pasta S. Ascending Aorta Resection and End-to-End Anastomosis: Redistribution of Wall Shear Stress Induced by a Bioprosthetic Heart Valve. Prosthesis. 2020; 2(4):297-303. https://0-doi-org.brum.beds.ac.uk/10.3390/prosthesis2040026

Chicago/Turabian Style

Raffa, Giuseppe M.; Pasta, Salvatore. 2020. "Ascending Aorta Resection and End-to-End Anastomosis: Redistribution of Wall Shear Stress Induced by a Bioprosthetic Heart Valve" Prosthesis 2, no. 4: 297-303. https://0-doi-org.brum.beds.ac.uk/10.3390/prosthesis2040026

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