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    The content on this page is not current guidance and is only for the purposes of the consultation process.


    High blood pressure (hypertension) can be caused by overactivity of a type of nerve (sympathetic) that helps the kidneys (renal) control blood pressure. Sometimes medicines to treat it do not work well enough (resistant). In this procedure, using a local anaesthetic, sedation and anticoagulation, a device is inserted through the skin (percutaneous) into an artery in the thigh and then into the renal arteries (transluminal). It sends radio or sound waves to destroy the nerves in the renal arteries (sympathetic denervation). The aim is to lower blood pressure.