Stenosis is often related to atherosclerosis but may be caused by injury to the artery that causes scarring. Other conditions such as fibromuscular dysplasia may also affect the renal arteries, resulting in stenosis. Reduced blood flow to the kidney leads to an excessive release of the hormone renin , a potent hormone that increases blood pressure. Lifestyle changes may reduce the risk of hypertension . Lose weight if you are overweight .
Excess weight adds to efforts of the heart.
Dietary adjustments may help to control hypertension. Modify your sodium intake. Salt, MSG, and baking soda all contain sodium. There may be signs of complications. The goal of treatment is to control the elevated blood pressure .