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What is an Interventional Procedure (CAD)?

Interventional procedures are mostly used to open up blockages in the arteries. There are 3 types of interventional procedures

PTCA (Percutaneous Transluminal Coronary Angioplasty) or Balloon Angioplasty:

This procedure involves placing a small balloon at the tip of the catheter and inserting it into the blocked artery. Once the balloon reached the blocked are it is inflated leading to dilation of the area.


A stent is a small metal tube that is inserted into the blocked artery through the balloon. The metal tube restricts the blockage.

Retaliation (Percutaneous Transluminal Rotational Atherectomy or PTRA):

A diamond tip catheter is inserted into the blocked artery. It is then rotated at high speed to clear the blockage.

There are many advanced stents used in the treatment procedures at the Heart Institute. Write to our experts on to find out more about the options available.

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