Intracoronary radiotherapy for treatment of restenosis

Restenosis after coronary angioplasty remains a common clinical problem.Even after the advent of stenting,the rate of restenosis is still to the order of 20%or even higher in certain patient subgroups.Treatment is difficult,particularly in case of diffuse restenosis within stent lumens.The current status of intracoronary radiotherapy or treatment of restenosis was summsrized.