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Your renal arteries supply oxygen-rich blood to your kidneys. In renal artery stenosis, these arteries become narrow or stiff, reducing the flow of blood to the kidneys. The condition can lead to high blood pressure and reduced kidney function.
At Dignity Health, we provide a full range of care for renal artery stenosis in Arizona from a team of cardiologists, nurses, specialists, dieticians, therapists, and technicians. Call 844.852.0648 or Find a Doctor online who specializes in renal artery stenosis and other vascular conditions. We are a nationally recognized leader in heart and vascular care, which we offer at our Chandler Regional Medical Center and St. Joseph’s Hospital and Medical Center campuses.
Renal artery stenosis is caused by buildup of sticky, waxy plaque in the walls of the renal arteries. Plaque causes the arteries to narrow and become stiff, which makes it harder for blood to pass through to the kidneys. This is the same disease process that causes coronary artery disease.
Renal artery stenosis can also be caused be a rare condition called fibromuscular dysplasia. In this condition, cells in the walls of the renal arteries overgrow and narrow the opening of the artery.
Renal artery stenosis usually does not have any symptoms. You can live with the condition for years and not know it. Often, doctors notice signs of renal artery stenosis during a diagnostic procedure or test for another vascular condition.
Renal artery stenosis is a potential cause of high blood pressure. It is more likely to be the underlying cause of high blood pressure if you:
If renal artery stenosis is left untreated for a long period of time, it can reduce your kidneys’ ability to function normally. If this happens, you may experience symptoms of kidney failure, including:
Treatment for renal artery stenosis at Dignity Health focuses on eliminating or reducing blockage of the renal arteries, lowering blood pressure, and slowing progression of the disease. Your doctor may use a combination of cardiovascular treatments to reduce any symptoms you are experiencing and prevent permanent kidney damage.
Promptly treating heart conditions, such as high blood pressure and high cholesterol, and following a heart-healthy lifestyle can help reduce your risk of developing renal artery stenosis. Talk to your doctor for advice on lifestyle changes and how Dignity Health can support you every step of the way.