A Prospective Danish National Registry of PTRA in Patients With Renovascular Hypertension

This study is tracking Danish patients with high blood pressure caused by narrowed kidney arteries (renovascular hypertension) who underwent a procedure called PTRA (a balloon-based treatment to open the blocked artery) to monitor how well their blood pressure is controlled afterward. **You may be eligible if...** - You have high blood pressure that does not respond to three or more blood pressure medications at full doses, including a water pill (diuretic) - Your uncontrolled blood pressure has been confirmed by a 24-hour blood pressure monitor worn throughout the day - Your average 24-hour systolic blood pressure (the top number) is at or above 130 mmHg - OR you have high blood pressure but cannot tolerate blood pressure medications due to side effects **You may NOT be eligible if...** - Your blood pressure is adequately controlled on your current medications - You do not have narrowed kidney arteries identified as the cause of your hypertension - You are not a candidate for the kidney artery procedure Talk to your doctor to see if this trial is right for you.