Woven Dacron and Woven Teflon Prostheses

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Abstract
The recent evolution of vascular surgery has provided indications for more frequent surgical procedures on relatively small arteries. Although excellent studies have been reported on the characteristics of various prosthetic materials,1-7information on the behavior of some of the smaller prostheses is still incomplete. In an effort further to illuminate the reaction of 2 common commercial arterial substitutes as small artery replacements, our study was undertaken. Method Segments of canine arteries with lumens varying from 2.5 mm. to 4 mm. in diameter were excised and replaced by crimped prostheses of woven Dacron or woven Teflon. The Dacron tube was the seamed type of Deterling and Julian2; the Teflon tube was the Edwards seamless type.4As controls, similar replacements were carried out with segments of fresh autogenous venous or arterial graft. The autografts were taken from an adjacent femoral vein or a contralateral femoral artery. The length of

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