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| __NOTOC__
| | #Redirect [[Renal artery stenosis pathophysiology]] |
| {{Renovascular hypertension}}
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| {{CMG}}
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| ==Overview==
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| ==Pathophysiology==
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| When the arteries that carry blood to your kidneys become narrow, less blood flows to the kidneys. The kidneys mistakenly respond as if your blood pressure is low and make hormones that tell the body to hold on to more salt and water. This causes your blood pressure to rise.
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| Renal artery stenosis is a narrowing or blockage of the artery that supplies blood to the kidneys.
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| The most common cause of [[renal artery stenosis]] is a blockage in the the arteries due to high cholesterol. This problem occurs when a sticky, fatty substance called plaque builds up on the inner lining of the arteries. The plaque may slowly narrow or even block the renal (kidney) artery.
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| [[Fibromuscular dysplasia]] is another cause of renal artery stenosis. It is often seen in women under age 50 and tends to run in families. It is caused by abnormal growth of cells in the walls of the arteries leading to the kidneys. This also leads to narrowing or blockage of these arteries.
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| ==References==
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| {{Reflist|2}}
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| [[Category:Nephrology]]
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| [[Category:Cardiology]]
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| [[Category:Disease]]
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| {{WH}}
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| {{WS}}
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