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Vascular sonography

Lower Extremity Venous Mapping

QuestionAnswer
Duplex ultrasound is used to assess what? The competency of Superficial Veins for use as bypass conduit
Superficial Veins can be used for a variety of types of bypass procedures including: Coronary Bypass Grafting, Lower Extremity Bypass Grafting, Hemodialysis Access Fistulas
What information is gathered about superficial veins when performing vein mapping? Vein Patency, Position, Depth, and Size
What does Vein Mapping allow? Allows for selection of optimal vein, can alter planned surgery and surgical approach, and minimize amount of surgical dissection
When doing a vein mapping a nonsterile probe cover should be used why? To keep marker/ink off of the TD face
Vein mapping not only provides information about the presence or absence of a vein, but also what? The sustainability of the vein for use as a conduit
Adequate vein diameter ma vary based on what? Based on surgeon preference and intended use of vein
Generally most surgeons will not use a vein with a diameter less than what? <2mm
What is the most preferred vein diameter? 2.5-3mm
Created by: EmilyGriffin
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