1.   Chlamydia has been found in many arterial plaques.

2.   Like aspirin, clopidogrel works by preventing the build-up of blood clotting agents around arterial plaque deposits in patients with heart disease.

3.   Like aspirin, clopidogrel works by preventing the build-up of blood-clotting agents around arterial plaque deposits in patients with heart disease.

4.   Once in place, the balloon is inflated, pressing the arterial plaque against the artery walls.

5.   The procedure involves inserting a tiny balloon into the blood vessels around the heart to clear away arterial plaque.