1.   More patients in the elective group need angioplasty at a later stage.

2.   But up to two-thirds of patients who receive the drug also then need angioplasty because their arteries are still clogged.

3.   Another angioplasty is needed, as for U.S. Vice President Dick Cheney in March.

4.   --Women had fewer catheterizations to determine whether they needed angioplasty or a heart bypass operation to clear blocked arteries, and that disparity increased with age.