11.   They performed angioplasty to clear out the blockage and reopened the vessel.

12.   When doctors did more probing, though, they told him he had suffered a minor heart attack and performed an angioplasty.

13.   But some medical standards and state regulations say doctors should perform angioplasties only at hospitals that have a cardiac surgery unit in case something goes wrong.

14.   Doctors performed an angioplasty Friday to remove blockages from her arteries.

15.   Doctors will perform an angioplasty Friday, inflating a small balloon in the narrowed artery to widen the passage, the government said.

16.   Doctors performed an angioplasty Friday to remove blockages from two major heart arteries.

17.   Doctors performed an angioplasty, in which a catheter with a balloon tip is used to open the clogged artery.

18.   In its new application, some doctors are performing angioplasty as an emergency procedure within an hour or two after the heart attack patient arrives at the emergency room.

19.   Lee arrived in Japan on Sunday, and two days later a heart surgeon at Kurashiki Central Hospital in western Japan performed an angioplasty on him.