| Pathophysiology of proximal perigraft endoleak following endovascular repair of abdominal aortic aneurysms: a study using a flow model. | |
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MedLine Citation:
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PMID: 11461104 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: to design a flow model to determine whether and why increased proximal neck angulation correlates with increased risk of proximal perigraft endoleak (PPE) flow. METHODS: a tapered stent-graft (Gianturco stent + Dacron) was deployed with proximal and distal necks made of silicone. The amount of PPE was measured over 30-s periods while the angulation of the proximal neck was increased. RESULTS: PPE flow increased significantly for angulations > or =30 degrees. The graft was lifted off the neck wall and gaps between the stent-graft and the neck created. CONCLUSION: greater neck angulation increased PPE flow. The stent-graft was lifted off the neck and subsequent gaps created. This model could be used to compare available stent-grafts and to test new designs that would improve the seal in angulated necks. |
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Authors:
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J N Albertini; J A Macierewicz; S W Yusuf; P W Wenham; B R Hopkinson |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery Volume: 22 ISSN: 1078-5884 ISO Abbreviation: Eur J Vasc Endovasc Surg Publication Date: 2001 Jul |
Date Detail:
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Created Date: 2001-07-19 Completed Date: 2001-08-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9512728 Medline TA: Eur J Vasc Endovasc Surg Country: England |
Other Details:
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Languages: eng Pagination: 53-6 Citation Subset: IM |
Copyright Information:
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Copyright 2001 Harcourt Publishers Limited. |
Affiliation:
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Vascular Surgery Department, Queen's Medical Centre, Nottingham, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Anastomosis, Surgical Aortic Aneurysm, Abdominal / surgery* Blood Vessel Prosthesis* Blood Vessel Prosthesis Implantation / adverse effects* Humans Models, Biological Prosthesis Design Regional Blood Flow Stents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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