Optimal Covering Material for Stent-Grafts Placed in the Portal Vein in a Canine Model

@article{Ishii2004OptimalCM,
  title={Optimal Covering Material for Stent-Grafts Placed in the Portal Vein in a Canine Model},
  author={Seigo Ishii and Morio Sato and Tetsuo T Sonomura and Katsuyuki Yamada and Hirohiko Tanihata and Hime Ishikawa and Masaki Terada and Shinya Sahara and Nobuyuki Kawai and Masashi Kimura and Ichiro Mori},
  journal={CardioVascular and Interventional Radiology},
  year={2004},
  volume={28},
  pages={624-631}
}
We evaluated the suitability of Dacron, polytetrafluoroethylene (PTFE), and small intestinal submucosa (SIS) as a covering material for stent-grafts placed in the portal vein as compared with a bare stent. Using 24 beagle dogs, either bare stents or stent-grafts covered with Dacron, PTFE, or SIS were placed in the main trunk of the portal vein in 6 animals each. Portography was performed immediately after stent placement, and at 2, 4, and 12 weeks thereafter. Next, the extracted stents or stent… CONTINUE READING

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