A percutaneous transluminal angioplasty is a surgical procedure that involves the use of a balloon-tipped catheter to enlarge a narrowed blood vessel. Complications are rare but can be fatal in high risk patients. The risk is higher in patients aged 65 and older, patients with chronic kidney disease or people who are in shock or in people who have extensive heart disease and blockages in their coronary arteries. Below you may find medications used to treat or help with High Risk Percutaneous Transluminal Angioplasty. More about High Risk Percutaneous Transluminal Angioplasty