| Angioplasty or Percutaneous coronary intervention involves non-surgical widening of the coronary artery, using a balloon catheter to dilate the artery from within. A metallic stent is usually placed in the artery after dilatation. Antiplatelet agents are also used. Stents may be either bare metal or drug-eluting. This technique for treating multiple conditions, including unstable angina, acute myocardial infarction and multi-vessel coronary artery disease.
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