The surgery and the cost of the device itself would be around $20,000 and the study was to determine of using a device versus drugs would be cost effective. The study patients that participated were those with drug resistant blood pressure control issues at stage 2. The device called a Rheos, lowers blood pressure by 30 to 35mm Hg. It is approved for use in Europe but not yet in the US. In addition other studies are on going for the use with congestive heart failure patients. Surge