Renal artery stenosis

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Renal artery stenosis
Synonyms Renovascular hypertension
Pronounce N/A
Specialty N/A
Symptoms Hypertension, chronic kidney disease, pulmonary edema
Complications Heart failure, stroke, kidney failure
Onset Typically in adults
Duration Long-term
Types N/A
Causes Atherosclerosis, fibromuscular dysplasia
Risks Smoking, diabetes, high cholesterol, high blood pressure
Diagnosis Doppler ultrasound, CT angiography, MR angiography, renal arteriography
Differential diagnosis Essential hypertension, chronic kidney disease
Prevention N/A
Treatment Antihypertensive medication, angioplasty, stenting, surgery
Medication ACE inhibitors, ARBs, calcium channel blockers
Prognosis Variable, depending on cause and treatment
Frequency Common in older adults
Deaths N/A


Renal artery stenosis
Renal artery stenosis

Renal artery stenosis is a medical condition involving the narrowing of one or both of the renal arteries, the blood vessels that carry blood to the kidney from the heart. This condition can lead to hypertension (high blood pressure) and kidney damage.

Causes[edit]

Renal artery stenosis can be caused by atherosclerosis, a condition where plaque builds up in the arteries, or by fibromuscular dysplasia, a condition that causes the walls of the arteries to grow abnormally.

Symptoms[edit]

In many cases, renal artery stenosis does not cause any symptoms. However, in some cases, it can cause high blood pressure that is difficult to control with medication, a decrease in kidney function, or sudden onset of pulmonary edema (fluid in the lungs).

Diagnosis[edit]

Renal artery stenosis can be diagnosed through various tests, including ultrasound, computed tomography (CT) scan, magnetic resonance angiography (MRA), or renal arteriography.

Treatment[edit]

Treatment for renal artery stenosis can include lifestyle changes, medication, or procedures to improve blood flow to the kidneys. These procedures can include angioplasty and stenting, or surgery.

See also[edit]

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