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In the legs, bypass grafting is used to treat peripheral vascular disease, acute limb ischemia, aneurysms and trauma.While there are many anatomical arrangements for vascular bypass grafts in the lower extremities depending on the location of the disease, the principle is the same: to restore blood flow to an area without normal flow.
In 1972, surgical ligation of the hepatic artery was first used to treat recurrent hepatic tumors followed by infusion of 5-fluorouracil into the portal vein. Due to the liver's dual blood supply from the hepatic artery and portal vein, interruption of the flow through the hepatic artery was demonstrated to be safe in patients. Tumor ...
The several types of hepatic artery treatments are based on the observation that tumor cells get nearly all their nutrients from the hepatic artery, while the normal cells of the liver get about 70-80 percent of their nutrients and 50% their oxygen supply from the portal vein, and thus can survive with the hepatic artery effectively blocked. [2 ...
An embolism is the lodging of an embolus, a blockage-causing piece of material, inside a blood vessel. [1] The embolus may be a blood clot ( thrombus ), a fat globule ( fat embolism ), a bubble of air or other gas ( gas embolism ), amniotic fluid ( amniotic fluid embolism ), or foreign material .
Arterial occlusion is a condition involving partial or complete blockage of blood flow through an artery. Arteries are blood vessels that carry oxygenated blood to body tissues. [1] [2] An occlusion of arteries disrupts oxygen and blood supply to tissues, leading to ischemia. [1]
Some research has found a link between tattoos and an increased risk of cancer, and recent evidence appears to suggest that tattoos could heighten the risk of blood cancer, in particular.
An arterial embolism is caused by one or more emboli getting stuck in an artery and blocking blood flow, causing ischemia, possibly resulting in infarction with tissue death . [2] Individuals with arterial thrombosis or embolism often develop collateral circulation to compensate for the loss of arterial flow.
Note: Most subscribers have some, but not all, of the puzzles that correspond to the following set of solutions for their local newspaper. CROSSWORDS
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