American College of Cardiology Mar 29 2026 The first randomized trial to compare standard percutaneous coronary intervention (PCI), also known as coronary angioplasty, with PCI accompanied by the use of a temporary, miniaturized pump to support the heart in patients with both severe coronary heart disease and moderate to severe heart failure found no significant difference between the two approaches. However, at two years, patients who received the heart pump had almost double the risk of dying