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pubmed-article:2078544pubmed:abstractTextAutogenous saphenous vein, human umbilical vein, modified bovine collagen, Dacron, and PTFE have been used as small-diameter arterial grafts with moderate success. We tested autogenous small intestine submucosa as a small-diameter arterial graft in both a carotid and femoral artery (mean ID 4.3 mm) of 18 dogs (total of 36 grafts). All dogs received aspirin and warfarin sodium for the first 8 weeks after surgery. Graft patency was evaluated by Doppler ultrasound techniques and angiography. Two grafts ruptured and 5 grafts occluded by 21 days after surgery. One graft became occluded at 14 weeks. Fifteen dogs were sacrificed at periodic intervals until 48 weeks after surgery. Patent grafts had no evidence of infection, propagating thrombus, or intimal hyperplasia. Graft aneurysmal dilation occurred in 4 grafts (11%). The grafts were composed of a dense organized collagenous connective tissue with no evidence of endothelial cell growth on the smooth luminal surface. Three dogs are alive at 76 to 82 weeks after surgery. Overall, graft patency was 75%. Graft patency after cessation of anticoagulation therapy was 92.3% (12 of 13 grafts). We conclude that autogenous small intestinal submucosa can be used as a small-diameter arterial graft in the dog and is worthy of further investigation.lld:pubmed
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pubmed-article:2078544pubmed:authorpubmed-author:BadylakS FSFlld:pubmed
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pubmed-article:2078544pubmed:pagination217-27lld:pubmed
pubmed-article:2078544pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:2078544pubmed:articleTitleSmall intestinal submucosa as a small-diameter arterial graft in the dog.lld:pubmed
pubmed-article:2078544pubmed:affiliationDepartment of Veterinary Clinical Sciences, Purdue University, West Lafayette, IN 47907.lld:pubmed
pubmed-article:2078544pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:2078544pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed
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