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Titolo:
Pathophysiology of proximal perigraft endoleak following endovascular repair of abdominal aortic aneurysms: a study using a flow model
Autore:
Albertini, JN; Macierewicz, JA; Yusuf, SW; Wenham, PW; Hopkinson, BR;
Indirizzi:
Queens Med Ctr, Dept Vasc Surg, Nottingham, England Queens Med Ctr Nottingham England , Dept Vasc Surg, Nottingham, England
Titolo Testata:
EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY
fascicolo: 1, volume: 22, anno: 2001,
pagine: 53 - 56
SICI:
1078-5884(200107)22:1<53:POPPEF>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
GRAFT;
Keywords:
absominal aortic aneurysm; endovascular repair; endoleak; flow model; pathophysiology; stent-graft;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
4
Recensione:
Indirizzi per estratti:
Indirizzo: Albertini, JN Hop Adultes Timone, Serv Chirurg Vasc, 264 Rue St Pierre, F-13385 Marseille, France Hop Adultes Timone 264 Rue St Pierre Marseille France F-13385
Citazione:
J.N. Albertini et al., "Pathophysiology of proximal perigraft endoleak following endovascular repair of abdominal aortic aneurysms: a study using a flow model", EUR J VAS E, 22(1), 2001, pp. 53-56

Abstract

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 greater than or equal to 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 usedto compare available stent-grafts and to test new designs that would improve the seal in angulated necks.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 21:11:12