Which material is commonly used for a bypass graft and would appear as woven material on ultrasound?

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Prepare for the RPVI Exam with flashcards and multiple choice questions, each with hints and explanations. Get exam-ready now!

Multiple Choice

Which material is commonly used for a bypass graft and would appear as woven material on ultrasound?

Explanation:
Dacron (polyester) woven grafts are the material commonly used for bypass grafts that would appear as a woven pattern on ultrasound. The fabric-like interlacing of polyester fibers creates a woven echotexture within the graft wall, which ultrasound can depict as a braided or fabric-like pattern. Gore-Tex (ePTFE) grafts, by contrast, are smooth and not woven, so they don’t show that woven pattern. Stainless steel mesh isn’t used as a typical vascular bypass graft, and silicone tubing isn’t used as a durable long-term vascular graft in humans.

Dacron (polyester) woven grafts are the material commonly used for bypass grafts that would appear as a woven pattern on ultrasound. The fabric-like interlacing of polyester fibers creates a woven echotexture within the graft wall, which ultrasound can depict as a braided or fabric-like pattern. Gore-Tex (ePTFE) grafts, by contrast, are smooth and not woven, so they don’t show that woven pattern. Stainless steel mesh isn’t used as a typical vascular bypass graft, and silicone tubing isn’t used as a durable long-term vascular graft in humans.

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