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Renal artery stenosis (RAS) is the narrowing of one or both of the renal arteries, most often caused by atherosclerosis or fibromuscular dysplasia. This narrowing of the renal artery can impede blood flow to the target kidney , resulting in renovascular hypertension – a secondary type of high blood pressure .
Arteriosclerosis is any hardening (and loss of elasticity) of medium or large arteries (from the Greek arteria, meaning artery, and sclerosis, meaning hardening) Atherosclerosis is a hardening of an artery specifically due to an atheromatous plaque. The term atherogenic is used for substances or processes that cause atherosclerosis.
Cerebral Hyperperfusion Syndrome leading to stroke is a serious complication of carotid artery angioplasty with stenting. [27] Angioplasty may also provide a less durable treatment for atherosclerosis and be more prone to restenosis relative to vascular bypass or coronary artery bypass grafting. [28]
Atherosclerosis happens when a fatty substance called plaque builds up inside your arteries. There are typically few noticeable symptoms until the situation becomes dire and you experience ...
Without proper treatment, hypertension can lead to: Atherosclerosis (a buildup of plaque in your arteries) Stroke. Cardiovascular disease. Heart failure. Heart attack. Eye damage. Kidney failure ...
Atherosclerosis — a build-up of plaque in your arteries. Inflammation. Cardiovascular diseases — such as stroke, coronary artery disease, peripheral artery disease, heart attack, and heart failure
Renal artery stenosis, or narrowing of one or both renal arteries will lead to hypertension as the affected kidneys release renin to increase blood pressure to preserve perfusion to the kidneys. RAS is typically diagnosed with duplex ultrasonography of the renal arteries. It is treated with the use of balloon angioplasty and stents, if necessary.
Atherosclerosis [a] is a pattern of the disease arteriosclerosis, [8] characterized by development of abnormalities called lesions in walls of arteries.This is a chronic inflammatory disease involving many different cell types and driven by elevated levels of cholesterol in the blood. [9]