Portal vein reconstruction with conventional polytetrafluoroethylene grafts: An experimental study in dogs

被引:0
|
作者
Toshiya Nishibe
Hiroto Manase
Kyosuke Miyazaki
Hideki Ohkashiwa
Yoshiaki Satoh
Satoshi Watanabe
Toshiyuki Takahashi
Hiroyuki Katoh
Yasuhiro Okuda
Tatsuzo Tanabe
机构
[1] Hokkaido University School of Medicine,Second Department of Surgery
[2] Vascular Graft Research Center Co.,undefined
[3] Ltd.,undefined
[4] Sapporo General Hospital of Nippon Telegraph & Telephone Corp.,undefined
来源
Surgery Today | 1998年 / 28卷
关键词
conventional polytetrafluoroethylene grafts; portal vein reconstruction;
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学科分类号
摘要
The purpose of this study was to examine the short- and long-term performance of conventional polytetrafluoroethylene (PTFE) grafts for portal vein reconstruction. The grafts were placed as a portal vein replacement in 11 mongrel dogs. At 1 month and 6 months, the grafts were then retrieved and examined for patency, while also undergoing a pathological analysis. During the observation period (at 55 days), one dog died of an unknown cause with a patent graft. The patency rates of the other 10 grafts were 83% (5/6) at 1 month and 100% (4/4) at 6 months. However, the neointima formation was incomplete even 6 months after implantation. In conclusion, although conventional PTFE grafts may be used as a synthetic alternative to autogenous vein grafts, every effort should be made to use autogenous vein grafts before considering conventional PTFE grafts.
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页码:391 / 395
页数:4
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