Renal Artery Stenosis: A Cause of High Blood Pressure
What narrowing of the kidney arteries is, and how it affects blood pressure.
Last updated: 2026-09-24
Renal artery stenosis is narrowing of the arteries that supply the kidneys, which can cause or worsen high blood pressure.
Detection
It may be suspected when blood pressure is hard to control or kidney function worsens after starting certain medicines, and is confirmed with imaging.
Frequently asked questions
Is renal artery stenosis common?
It is a less common cause of high blood pressure, but worth considering in specific situations.