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Since blood clots when it encounters foreign material, a thrombus may form within the arterial lumen.
An added complication may be lysis from the stent to create other circulatory problems, such as stroke.
In addition, investigators are evaluating the combination of stent implantation with temporary implantation of radioactive seeds to control scar formation.
Special polymers have also been developed that coat the interior of the artery, hardening into a smooth arterial lining that reduces the chance of restenosis.
PTCA is an invasive nonsurgical technique for relieving regional myocardial ischemia due to CAD.
The ideal candidate for PTCA typically presents with: PTCA is performed in conjunction with cardiac catheterization.
The latest development in intracoronary stents focuses on stents that expand.