Study Examining the PROMUS Element Everolimus-eluting Stent in Multi-center Coronary Intervention of Complex Arterial Lesion Subsets

Inclusion Criteria: 1. A patient with ischemic heart disease including stable angina pectoris and acute coronary syndrome 2. Male or non-pregnant female 3. Key lesion inclusion criteria as follows 1. Multi-vessel diseases 2. Long lesion (lesion length \>30mm by visual estimation) 3. Small vessel disease (reference diameter \<2.5mm by visual estimation) 4. Bifurcation lesion 5. Ostial lesion 6. Calcified lesion 7. Protected or non-protected left main trunk disease 8. Chronic total occlusion 9. In stent restenosis of bare metal stent or everolimus-eluting stent Exclusion Criteria: 1. Hypersensitivity to cobalt chromium, everolimus, heparin, aspirin, ticlopidine, clopidogrel or X-ray contrast media. 2. Serum creatinine level \>3.0 mg/dL 3. Other concomitant disease or medical condition that could impact patient/procedural outcomes, such as history of bleeding diathesis or cancer within 5 years.