Lower extremity arteriosclerosis obliterans
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients with lower extremity arteriosclerosis obliterans who have not received interventional treatment in the past
Exclusion criteria
Exclusion criteria: 1. Other non-atherosclerotic vascular disorders causing intermittent claudication of the lower extremities: such as aortic coarctation, arteriolar fibromuscular dysplasia, popliteal artery aneurysm, popliteal artery ischemic syndrome, multiple large artery inflammation, thromboangiitis obliterans, etc.; 2. Allergic reaction to contrast agents for ultrasound; 3. During pregnancy and lactation; 4. Diagnosed with acute coronary syndrome, unstable ischemic heart disease, heart failure, severe pulmonary hypertension, uncontrolled moderate to severe hypertension, adult respiratory distress syndrome, malignant tumors, severe limb ischemia or patients unable to perform leg movements; 5. Patients who cannot complete follow-up as required.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Microvascular density;Microvascular flow velocity;Blood volume;Perfusion index;Peak intensity;The area under the curve;Arrival time;Peak time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Rutherford classification; | — |
Countries
China
Contacts
The First Affiliated Hospital of Chongqing Medical University