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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 ]
[4] [5] Symptoms include signs of dehydration, weakness, leg cramps, vision problems, and an altered level of consciousness. [2] Onset is typically over days to weeks. [3] Complications may include seizures, disseminated intravascular coagulopathy, mesenteric artery occlusion, or rhabdomyolysis. [2]
Peripheral artery disease (PAD) is a form of peripheral vascular disease. Vascular refers to the arteries and veins within the body. PAD differs from peripheral veinous disease. PAD means the arteries are narrowed or blocked—the vessels that carry oxygen-rich blood as it moves from the heart to other parts of the body.
Vascular occlusion is a blockage of a blood vessel, usually with a clot. It differs from thrombosis in that it can be used to describe any form of blockage, not just one formed by a clot. When it occurs in a major vein , it can, in some cases, cause deep vein thrombosis .
A coronary occlusion, or coronary artery disease, is the partial or complete obstruction of blood flow in a coronary artery. This condition was first discussed in 1910 by Sir William Osler . [ 1 ] This condition slows or blocks the supply of oxygen-rich blood to the heart . [ 2 ]
An occlusion of the artery would be seen by decreased or absent flow distal to the occlusion. Doppler ultrasound can even distinguish between embolic and thrombotic plaque. The former would show a delineated, round thrombus, whereas the latter would show narrowed arterial lumen with atherosclerotic plaque.
Middle cerebral artery syndrome is a condition whereby the blood supply from the middle cerebral artery (MCA) is restricted, leading to a reduction of the function of the portions of the brain supplied by that vessel: the lateral aspects of frontal, temporal and parietal lobes, the corona radiata, globus pallidus, caudate and putamen.
The ITAs are advantageous because of their endothelial cells, which produce endothelium-derived relaxing factor and prostacyclin, protecting the artery from atherosclerosis and thus stenosis or occlusion. Disadvantages include a high rate of complications, such as deep sternal wound infections, in some subgroups of patients—mainly obese and ...