A nondrug approach to lower blood pressure - Harvard Health

In 2023, the FDA approved two renal denervation systems for treating high blood pressure (hypertension) that can't be controlled with lifestyle changes and medication — a serious problem in the United States. Both systems work by disrupting some of the nerves surrounding the renal arteries, which supply blood to the kidneys. One system uses ultrasound energy to target the nerves, and the other uses radiofrequency energy. A third system, still under review at the FDA, uses alcohol. The network of nerves throughout your body receives signals from your brain, heart, and kidneys to help regulate your blood pressure. Heightened activity in these nerves can raise blood pressure. A procedure that disrupts some of the nerves surrounding the arteries that supply the kidneys can lower blood pressure. Possible candidates A typical blood pressure target is less than 130/80, but doctors may adjust that goal based on a person's other health conditions. About one in seven people has what's known as r...