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The most common was phlebotomy, or venesection (often called "breathing a vein"), in which blood was drawn from one or more of the larger external veins, such as those in the forearm or neck. In arteriotomy , an artery was punctured, although generally only in the temples.
In contrast, phlebectomy is the removal of a vein. Phlebotomies that are carried out in the treatment of some blood disorders are known as therapeutic phlebotomies. [3] The average volume of whole blood drawn in a therapeutic phlebotomy to an adult is 1 unit (450–500 ml) weekly to once every several months, as needed. [4]
The phlebectomy hook is inserted through an incision and the varicose veins is hooked, extracted, and subsequently fixed with a clamp (e.g. Mosquito clamp). Next the vein is pulled out by turning or "wenching" the exteriorized part of the vein and moving the clamps as the vein is pulled out further.
Lower extremity varicose veins is the condition in which the superficial veins become tortuous (snakelike) and dilated (enlarged) to greater than 3 mm (0.12 in) in the upright position. [24] Incompetent or faulty valves are often present in these veins when investigated with duplex ultrasonography .
Bloodletting or a phlebotomy was a common practice in ancient Rome. It was common for surgeons to use a tool known as the phlebotome or the katias to make an incision into another point, which would cause the wound to bleed at another point.
Typically, a prominent vein in the forearm such as the median cubital vein would suffice, although the Keidel vacuum can take blood for any prominent peripheral vein. This concept did not become popular until during World War II , when quick and efficient first aid care was necessary in the battle field.
California introduced phlebotomy licensure after an on-the-job trained phlebotomist at a Palo Alto phlebotomy draw station for SmithKline Beecham Clinical Laboratory (SBCL) was found to be re-using needles, sometimes after washing them with diluted hydrogen peroxide, in an effort to save supplies and run a cost-efficient lab.
In medicine, venipuncture or venepuncture is the process of obtaining intravenous access for the purpose of venous blood sampling (also called phlebotomy) or intravenous therapy. In healthcare, this procedure is performed by medical laboratory scientists , medical practitioners , some EMTs , paramedics , phlebotomists , dialysis technicians ...