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Graft inflow stenosis induced by the inflatable ring fixation mechanism of the Ovation stent-graft system: hemodynamic and clinical implications.

Authors
  • Ioannou, Christos V
  • Kontopodis, Nikolaos
  • Metaxa, Eleni
  • Papaharilaou, Yannis
  • Georgakarakos, Efstratios
  • Kafetzakis, Alexandros
  • Kehagias, Elias
  • Tsetis, Dimitrios
Type
Published Article
Journal
Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists
Publication Date
Dec 01, 2014
Volume
21
Issue
6
Pages
829–838
Identifiers
DOI: 10.1583/14-4771MR.1
PMID: 25453886
Source
Medline
Keywords
License
Unknown

Abstract

The advantages of the Ovation device's unique sealing mechanism come at the expense of a median area inflow stenosis of ∼ 60%. This stenosis does not cause a hemodynamically significant pressure drop. Future modification of the graft ring design may be needed in order to reduce this stenosis.

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