Korean Multicenter Registry of EPIC Stent for Iliac Artery Disease: (K-EPIC Registry)

Inclusion Criteria: 1. Age 19 years of older 2. Symptomatic peripheral artery disease: * Moderate or severe claudication (Rutherford category 2 or 3) * Critical limb ischemia (Rutherford category 4) 3. Iliac artery lesions with stenosis \> 50% 4. ABI \<0.9 5. Patients with signed informed consent Exclusion Criteria: 1. Acute critical limb ischemia 2. Severe critical limb ischemia (Rutherford category 5 or 6) 3. Known hypersensitivity or contraindication to any of the following medications: heparin, aspirin, clopidogrel, cilostazol, or contrast agents 4. In-stent restenosis lesions (Restenosis lesions without previously implanted stents are eligible to the enrollment) 5. Bypass graft lesions 6. Age \> 85 years 7. Severe hepatic dysfunction (\> 3 times normal reference values) 8. Significant leucopenia, neutropenia, thrombocytopenia, anemia, or known bleeding diathesis 9. LVEF \< 40% or clinically overt congestive heart failure 10. Pregnant women or women with potential childbearing 11. Life expectancy \<1 year due to comorbidity 12. Untreated proximal inflow disease of aorta or the ipsilateral iliac arteries (more than 50% stenosis or occlusion)