balloon angioplasty

balloon angioplasty Coronary angioplasty that is accomplished by using a balloon-tipped catheter inserted through an artery in the groin or arm, to enlarge a narrowing in a coronary artery. Angioplasty is commonly successful in opening coronary arteries. Recurrent narrowing at the site of balloon inflation can still develop following successful coronary angioplasty. See also coronary artery disease.