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Angioplasty

Angioplasty is a procedure in which a small balloon at the tip of the catheter is inserted near the blocked or narrowed area of the coronary artery. The technical name for balloon angioplasty is percutaneous transluminal coronary angioplasty (PTCA) or percutaneous coronary intervention (PCI). When the balloon is inflated, the fatty plaque or blockage is compressed against the artery walls and the diameter of the blood vessel is widened (dilated) to increase blood flow to the heart. This procedure is sometimes complicated by vessel recoil and restenosis.

In cutting balloon angioplasty, the catheter has a balloon tip with small blades. When the balloon is inflated, the blades are activated. The small blades score the plaque, then, the balloon compresses the fatty matter into the arterial wall. This type of balloon may be used to treat the build up of plaque within a previously placed stent (restenosis) or other types of blockages.