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Doctor insights on: Why Exactly Are Ace Inhibitors Contraindicated In Renal Artery Stenosis

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Why exactly are ACE inhibitors contraindicated in renal artery stenosis?

Why exactly are ACE inhibitors contraindicated in renal artery stenosis?

It depends: On the clinical situation. Ace inhibitors are commonly used to control BP in renal artery stenosis and are not contraindicated. Their is this concern that ACE inhibitors may worsen ischemia to the stenotic kidney and for this reason patients have to be closely monitored. ...Read more

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Dr. Clarence Grim
59 doctors shared insights

Renal Artery Stenosis (Definition)

Stenosis is narrowing so renal artery stenosis is narrowing of an artery that sends blood to you kidney. The effect usually is your blood pressure goes up and in my experience this is the most difficult kind of high blood pressure to manage using medicines. It usually requires some kind of repair ...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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My father has renal artery stenosis--should he consider having an angiography/angioplasty?

Possibly yes: If he has severe hypertension not well controlled on multiple medications and/or deterioration in renal function in the setting of high grade renal artery stenosis, then renal artery angioplasty may be very beneficial. Consultation with a nephrologist and vascular surgeon is indicated. Good luck! ...Read more

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If I wait too long to get a stent for my renal artery stenosis, what will happen to my kidneys?

If I wait too long to get a stent for my renal artery stenosis, what will happen to my kidneys?

Depends: Stenting of the renal arteries has been controversial. Definitely, no intervention needs to be considered if the narrowing is less than 60%. The setting where stenting has definitely been shown to be beneficial is when the kidney function is deteriorating and/or the kidney size is shrinking. Stenting doesn't always improve the blood pressure or kidney function- hence the controversy. ...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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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 is the prognosis for someone with renal artery stenosis?

What is the prognosis for someone with  renal artery stenosis?

Renal artery stenose: 52 F asks prognosis of RAS. ANS: I specialize in this for over 50 years. A complex question that deserves a 2nd opinion from me. Depends on cause, prior treatment, other problems but almost all can be managed today by BP meds. ...Read more

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Dr. Abraham Jaskiel
1 doctor shared a insight

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


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