Enrollment (day 0):
1\) Written consent
Post PTA (Day 1 \~3):
1. Symptom: Rutherford class
2. Adverse event
3. Ankle-brachial index
4. Laboratory test: - eGFR, Cr, ALT, AST
* Hb, WBC, platelet
5. Concomitant medication
Regular Follow-up Visits
Visit 1 (post-PTA 30±14 days):
1. Symptom: Rutherford class
2. Physical examination
3. Concomitant medication
4. Adverse event
5. Laboratory test:
* AC glucose, eGFR, Cr, ALT, AST
* Hb, WBC, platelet
* Lipid level (total cholesterol, LDL-C, triglyceride, HDL-C)
* HbA1c in case of DM
* hsCRP
Visit 2 (post-PTA 6 months ± 30 days):
1. Symptoms: Rutherford class
2. Physical examination
3. Ankle-brachial index
4. Concomitant medication
5. Adverse event
Visit 3 (post-PTA 12 months ± 30 days): (Mandatory)
1. Symptoms: Rutherford class
2. Physical examination
3. Ankle-brachial index
4. Duplex ultrasound, CT, or catheter angiography
5. Concomitant medication
6. Adverse event 7) Biplane radiograph of femur for evaluation of stent fracture 8) Laboratory test: - AC glucose, eGFR, Cr, ALT, AST
* Hb, WBC, platelet
* Lipid level (total cholesterol, LDL-C,triglyceride, HDL-C)
* HbA1c in case of DM
* hsCRP
