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Doctor insights on: What Is A Normal Diameter For The Renal Artery

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What is a normal diameter for the renal artery?

What is a normal diameter for the renal artery?

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 more

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Dr. Stephen Scholand
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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 are some symptoms of renal artery disease?

What are some symptoms of renal artery disease?

Severe hypertension: Three major problems with renal artery stenosis: 1: severe difficult to control hypertension , 2: kidney failure ( detected by a blood test) 3: severe heart failure, pulmonary edema, severe shortness of breath. ...Read more

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What is the exact function of the renal artery?

What is the exact function of the renal artery?

Blood to kidneys: The primary job of the renal arteries is to supply blood (oxygen, nutrients) to the kidneys from the heart. They branch directly from the aorta. ...Read more

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How is renal artery disease typically diagnosed?

How is renal artery disease typically diagnosed?

Doppler or angiogram: Presents with hypertension and kidney failure. Non invasive testing can be ultrasond with doppler, ct with contrast. Invasive testing- angiogram. ...Read more

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Are the stents put in for renal artery disease temporary or permanent?

Are the stents put in for renal artery disease temporary or permanent?

Permanent: Arterial stents are meant to be permanent and are rarely ever removed. They can, however, develop restenosis or renarrowing that may require further intervention. ...Read more

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What exactly is renal artery occlusion?

Blockage / narrowing: Of renal artery caused by atherosclerotic plaque or in few instances by fibromuscular dysplasia which occurs mostly in younger women, or from a fibrous obstruction in people with nerofibromatosis. ...Read more

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Please explain what a renal artery doppler is?

Please explain what a renal artery doppler is?

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 more

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What patients could require a renal artery ultrasound?

Uncontrolled htn: Ptsd with difficult to control hypertension, looking for renal artery stenosis, and pts with acute renal failure as part of their work up. ...Read more

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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