Doctor insights on:
What Are Some Symptoms Of Renal Artery Disease
Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more
Aretherosclerosis: Of renal artery is most common cause, next is fibromuscular dyplasia. Other causes are uncommon & include neurofibromatosis with a fibroma causing stenosis, arteritis or a renal artery aneurism. Ras itself does not cause symptoms & found during or following work-uop for refractory hypertension. Uncontrolled hypertension can cause headaches & at worst acute heart failure. ...Read moreSee 2 more doctor answers
Variable: The exact diameter is not the issue since many people have small arteries with no problems. The problem usually is in the stenosis i.e. Constricted area. More than 60% stenosis (narrowing) is considered severe. However, severity by itself is not the only reason to do intervention (put a stent) since if the kidney function, bp, potassium are stable with no resistant edema observation only is chosen. ...Read moreSee 1 more doctor answer
Renal artery Doppler: Doppler ultrasound uses focused sound waves to measure the velocity of blood flowing through the renal artery. If the blood flows more rapidly through the artery it suggests that there is a narrowing in the artery. The focused sound waves can also be used to locate where the artery is narrowed. Because it is an indirect measure of narrowing, it is used as a screening test only. ...Read moreSee 1 more doctor answer
Narrowed artery (ies): Narrowing of one or both renal arteries that lead from the aorta to the kidneys is called renal artery stenosis. Causes are atherosclerosis or fibromuscular dysplasia (fmd). Fmd is a non-inflammatory, nonatherosclerotic process. Both atherosclerosis and fmd cause hypertension and can lead to kidney failure. Imaging should be done to establish the diagnosis. Kidney specialists usually treat this dx. ...Read more
Accessory arteries: Normal variant of blood flow to kidney. ...Read more
Can be relieved: Renal artery occlusion, a chronic condition can usually be relieved rather than "cured". Cure usually suggests that problem has completely resolved. Complete occlusion of renal artery would mean non function of kidney and can not be cured. 25% of people have two renal arteries and second artery can maintain function in part of kidney. Optimal treatment is stent placement by x-ray interventionist. ...Read moreSee 1 more doctor answer
Treat renal stenosis: The treatment of a blocked kidney artery is controversial. The 3 ways would be medications, surgery, or arterial stents. There is evidence that all 3 work equally well, even in severe cases, although there are some cases where surgery or a stent may yield a better outcome. However, the risk of surgery or stents is not small, and therefore, a conservative approach with medicine is often best. ...Read more
See below: The gold standard for detecting renal artery occlusion is a renal angiogram, which is injecting a iodinated dye into the blood vessel and taking images. The dye itself can cause some reversible renal injury, and should be used weighing the risk and benefit. Other rare but serious complication is cholesterol embolii syndrome. Other tests eg ultrasound and MRI may not be conclusive. ...Read moreSee 1 more doctor answer
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