Nowadays, coronary intervention has been dramatically improved in the drug-eluting stent era. The drug-eluting stent represents the dominant percutaneous coronary intervention modality beacause it significantly reduces the restenosis rate compared with ba Nowadays, coronary intervention has been dramatically improved in the drug-eluting stent era. The drug-eluting stent represents the dominant percutaneous coronary intervention modality beacause it significantly reduces the restenosis rate compared with ba