DAPT

Twelve or 30 months of dual antiplatelet therapy after drug-eluting stents - The New England Journal of Medicine - 2014

Brief Summary:

Among patients who completed one year of dual antiplatelet therapy (DAPT) after drug-eluting stent PCI, continued DAPT (totaling 30 months) reduces the rate of stent thrombosis and death, MI, or stroke at the cost of increased bleeding.

Reference: http://www.ncbi.nlm.nih.gov/pubmed/25399658