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Abdominal Aortic Aneurysm Wall Stresses After Endovascular Repair

[+] Author Affiliations
Elena S. Di Martino, Michel S. Makaroun, David A. Vorp

University of Pittsburgh, Pittsburgh, PA

Paper No. IMECE2002-32778, pp. 247-248; 2 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Advances in Bioengineering
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Bioengineering Division
  • ISBN: 0-7918-3650-9 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


The early benefits of an endovascular approach to abdominal aortic aneurysm (AAA) treatment has been reported by many authors [1,2]. One of the major advantages is that endovascular repair of AAA (EVAR) as opposed to traditional open surgery, is not a major abdominal surgery. EVAR has been shown to be associated with a death rate comparable to that of surgical repair [3]. In short term follow-up, EVAR is associated with fewer complications and a more rapid recovery [2]. On the contrary very limited data is available on long term follow-up of EVAR patients. Graft-related secondary interventions affect a consistent percentage of the treated cases. The EUROSTAR study [4] recently reported 13% of reintervention in 15.4 months. Our surgical unit reported 20.6% across 48 months in a recent review of 242 cases [3]. The frequence and type of reintervention, whose principal cause is endoleak or perigraft flow, requires careful consideration.

Copyright © 2002 by ASME



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