Angioplasty is a technique used to dilate an area of arterial blockage with the help of a catheter that has an inflatable small sausage-shaped balloon at its tip.Since the balloon catheter is introduced through the skin of the groin, and sometimes the arm ( percutaneous = through the skin), is placed within a blood vessel (transluminal = in the channel or lumen of a blood vessel) and is applied in the treatment of coronary arteries, the technique is also called PTCA or Percutaneous Transluminal Coronary Angioplasty.
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