Definitions for venous cutdown
Venous cutdown is an emergency procedure in which the vein is exposed surgically and then a cannula is inserted into the vein under direct vision. It is used to get vascular access in trauma and hypovolemic shock patients when peripheral cannulation is difficult or impossible. The saphenous vein is most commonly used. This procedure has fallen out of favor with the development of safer techniques for central venous catheterization such as the Seldinger technique and the modified Seldinger technique, intraosseous infusion, as well as the use of ultrasound guidance for placement of central venous catheters without using the cutdown technique.
U.S. National Library of Medicine
Creation of a small incised opening in a vein to permit the passage of a needle or cannula for withdrawal of blood, administration of medication, or in diagnostic or therapeutic catheterization. (Dorland, 28th ed.; Stedman, 26th ed.)
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"venous cutdown." Definitions.net. STANDS4 LLC, 2013. Web. 5 Dec. 2013. <http://www.definitions.net/definition/venous cutdown>.