Renal artery stenosis is a narrowing or blockage of the artery that supplies blood to the kidney. It is caused by atherosclerosis, fibromuscular dysplasia of the renal artery wall, or scar formation in the artery. (See also
Renal artery occlusion; Stenosis - renal artery; Occlusion - renal artery; Fibromuscular dysplasia (FMD)
Causes, incidence, and risk factors
Renal artery stenosis is caused when atheroembolic renal disease results in narrowing of the
Renal artery stenosis often causes hypertension (high blood pressure) with no other signs of its presence, and it is usually discovered in investigation for the cause of hypertension that is difficult to control. Renal artery stenosis is, in fact, among the most common causes of secondary (caused by another condition)
In the elderly, renal artery stenosis is most commonly associated with atherosclerotic disorders, including
Fibromuscular dysplasia is a congenital disorder involving thickening of the arterial wall and is a cause of renal artery stenosis in younger adults, particularly women 20 - 40 years old.
Renal artery stenosis may cause
Review Date: 12/09/2005
Reviewed By: Colm C. Magee, MD, MPH, Medical Director, Renal Transplant, Brigham & Women's Hospital, and Assistant Professor, Harvard Medical School, Boston, MA. Review provided by VeriMed Healthcare Network.