Sufficient Treatment of Peripheral Intervention by Cilostazol

Patient criteria: * Chronic arteriosclerosis obliterans afflicting the femoropopliteal artery area\* * Patients who can be monitored for at least 2 years after surgery Lesion criteria: * Angiographically-confirmed new significant superficial femoral artery stenosis or occlusive lesions that are 30 cm long or less if stented * At least 1 arterial runoff below the knee; stenosis lesions not limiting flow may be included. * Occlusive lesions may be included. Exclusion criteria: * Patients with or at risk of hemorrhagic complications or patients with bleeding tendency * Patients with congestive cardiac failure * Patients with a drug-eluting stent * Patients with acute lower limb ischemia * Patients with creatinine of 2 mg/dL or more(without dialysis) * patients with a history of serious adverse reaction such as leukopenia, hepatic dysfunction, or renal dysfunction, or hypersensitivity to any component of the study drug. Lesion criteria: * Remnant inflow * Severe calcification * No arterial runoff below the knee