"Back to the future: Beta radiation to treat recurrent in-stent restenosis".

When a patient presents with restenosis and two layers of previously place drug eluting stents this is a true treatment dilemma for the interventionist. Beta radiation has proven its efficacy to decrease in-stent restenosis compared to standard PCI. No drug-coated balloons are currently available in the United States for treatment of in-stent restenosis.