If restenosis occurs without a stent, it is usually treated with more angioplasty.
Once restenosis has occurred and been treated by angioplasty, the chances of restenosis occurring again are increased by a factor of 2.
This treatment is also used if restenosis occurs at either end of the stent.
If restenosis occurs within a stent it may be treated with repeated angioplasty and insertion of another stent inside the original; occasionally using a drug-eluted stent.
Alternative treatments include brachytherapy, or intracoronary radiation. The radiation kills cells and inhibits tissue growth (similar to a patient undergoing cancer therapy).
Images of restenosis with bare-metal stents and drug-eluting stents are here.
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