A coronary angioplasty is a procedure used to widen blocked or narrowed coronary arteries (the main blood vessels supplying the heart). The term "angioplasty" means using a balloon to stretch open a narrowed or blocked artery.

Heart transplant surgery is an open-heart procedure that takes several hours. ... Your surgeon then removes the diseased heart and sews the donor heart into place. He or she then attaches the major blood vessels to the donor heart. The new heart often starts beating when blood flow is restored.