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Doctor insights on: Artery Stenosis

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What are some symptoms of femoral artery stenosis?

What are some symptoms of femoral artery stenosis?

Claudication: Which means cram like pains in the calves with walking which gets better with rest and returns with walking. The distance of walking that brings out the pain is called the claudication distance. The shorter the distance the worse is the stenosis. Also, in severe cases the leg loses hair and becomes painful at rest with elevation better with dangling. ...Read more

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Dr. Sheila Smith
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Artery (Definition)

Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more


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What is renal artery stenosis (ras)?

What is renal artery stenosis (ras)?

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

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Can you explain renal artery stenosis?

Can you explain renal artery stenosis?

Will try: Renal artery stenosis is a blockage of the blood flow to the kidney. This may be associated with high blood pressure. It can be diagnosed with a doppler ultrasound of the renal artery in suspected individuals, or some form of a renal angiogram (such as ct or mr angiograms). The stenosis can be dilated sometimes resulting in a decrease in blood pressure levels. ...Read more

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Can you tell me about renal artery stenosis?

Can you tell me about renal artery stenosis?

Narrow kidney artery: Renal artery stenosis is a narrowing of the kidney artery. In most cases it is a benign condition but does imply there is generalized atherosclerosis. In some cases it can cause a rise in blood pressure. In rare cases it may need treatment with an angioplasty and stent. ...Read more

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How do you usually diagnose renal artery stenosis?

How do you usually diagnose renal artery stenosis?

Renal arter stenosis: The diagnosis is made with ultrasound dopplers to check blood flow rates that reveal waves created by the blockage, or arteriograms.Ultrasound has no risk, but is very operator dependent and can be misleading in both over and under diagnosis.Arteriograms are more accurate, but only show an anatomic blockage, and don't help with functional testing. Finding blocks doesn't mean they need treatment. ...Read more

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What is the typical prognosis for renal artery stenosis?

Depends on type: Young people are different than older ones. The disease is slowly progressive esp in the atherosclerotic variety usually in older patients. So, newer research suggests that observation is equivalent to aggressive intervenion in most cases due to similar outcomes. ...Read more

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What problems does renal artery stenosis typically cause?

What problems does renal artery stenosis typically cause?

Hypertension: Reduced renal blood flow causes the kidney to produce excess renin which causes hypertension. Most cases of stenosis can be managed by interventional radiologists placing a stent. ...Read more

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What are some alternative names of renal artery stenosis ?

What are some alternative names of renal artery stenosis ?

Ischemic nephropathy: Stenosis means narrowing, most commonly due to cholesterol plaque in blood vessels. This may lead to ischemia or lack of blood/oxygen to the tissue when extreme. Nephropathy is any condition/disease in the kidney. ...Read more

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What are all the causes and symptoms of renal artery stenosis?

What are all the causes and symptoms of renal artery stenosis?

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 more

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Stricture (Definition)

A stricture is an anatomic narrowing of any structure in the body with a lumen. Depending on the organ, the underlying causes can be traumatic, ...Read more


Dr. Lawrence Kessler
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Stenosis (Definition)

Constriction or narrowing of something - duct, artery, passage way such as the outlet of the stomach into the small ...Read more