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Titolo:
ANTERIOR PATCH AORTIC-ANEURYSM MODEL FOR THE STUDY OF ENDOLUMINAL GRAFTS
Autore:
VERBIN C; DONAYRE C; KOPCHOK G; SCOCCIANTI M; WHITE RA;
Indirizzi:
UNIV CALIF LOS ANGELES,HARBOR MED CTR,DEPT SURG,1000 W CARSON ST TORRANCE CA 90509 UNIV CALIF LOS ANGELES,HARBOR MED CTR,DEPT SURG TORRANCE CA 90509
Titolo Testata:
Journal of investigative surgery
fascicolo: 5, volume: 8, anno: 1995,
pagine: 381 - 388
SICI:
0894-1939(1995)8:5<381:APAMFT>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
FEASIBILITY; PLACEMENT;
Keywords:
ENDOVASCULAR; ENDOLUMINAL GRAFT; AORTIC ANEURYSM INTRAVASCULAR ULTRASOUND; COMPUTED TOMOGRAPHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
C. Verbin et al., "ANTERIOR PATCH AORTIC-ANEURYSM MODEL FOR THE STUDY OF ENDOLUMINAL GRAFTS", Journal of investigative surgery, 8(5), 1995, pp. 381-388

Abstract

Endovascular graft repair for aortic aneurysms has led to concerns regarding the healing characteristics of the graft within a thrombus-lined aneurysm and the effect that collateral flow may have on the endoluminal prosthesis and the aneurysm. An anterior aortic patch aneurysm model thar preserved collateral arteries was examined and modified to address these issues. In canines (n = 30) a Dacron knitted patch (n = 27) or a rectus fascia patch (n = 3) was sutured into a 3.5-cm anterioraortotomy. Dacron parch aneurysm diameter was an average of 21.8 +/- 2.2 mm (mean canine normal aortic diameter 9.06 +/- 0.79 mm). Canines underwent angiogram, computed tomography, and/or intravascular ultrasound from 1 to 11 weeks later al which time an endoluminal prosthesis was deployed and followed 30 to 60 days until harvest Aneurysms accumulated minimal thrombus through the initial 11 weeks. Significant stenosis (mean 21.2% +/- 19%) occurred at aneurysm necks in association witha patch imbrication suture technique (n = 11). Following modification(n = 16), this decreased to a mean of 3.6 +/- 9.7%. Collateral lumbarartery patency was 95% at the time of imaging prior to graft placement. Following successful graft implantation, 16 of 18 aneurysms were filled with thrombus and in most cases the collateral circulation occluded. One of three fascial parch aneurysms ruptured 21 days after creation. This model more accurately depicts abdominal aortic aneurysms withthe inherent thrombus and collateral flow that is important when studying aspects of endovascular aortic graft repair.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 11:50:20