Clinical Research Directory

Inclusion Criteria: * 18 to 80 years old; * PAD patients with Fontaine grade II-IV or Rutherford grade 2-6 and underwent a successful revascularization; * Patients completed both pre- and post-operative MRI workups; * Patients signed the informed consent form and be able to complete the clinical follow-up for 1 months. Exclusion Criteria: * Patients has participated in other clinical studies; * Patients with Heart failure (NYHA III/IV)/right to left shunt heart disease/ severe aortic and mitral insufficiency/acute coronary syndrome/malignant arrhythmia/severe pulmonary hypertension (pulmonary artery pressure at least 90 mmHg)/moderate to severe renal insufficiency (creatinine clearance rate\<60 ml/min) * Any allergic constitution; * Pregnancy and childbirth; * Life expectancy\<12 months.