In three separate procedures, Dr. Shishehbor used a balloon embedded with a wire that cuts through calcified plaque and implanted two stents to prop open a smallartery in Mr. Swartz's foot.
Kelly had a significant degree of coronary artery disease and that this may have played some small part in the speed of death but not a major cause of death, he added.
In PCI, a catheter is passed usually from the femoral artery in the groin up to the heart and into the small coronary arteries that pass through the heart muscle.