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Experimental study on the evaluation of microperfusion in patients with lower extremity arteriosclerosis obliterans by superresolution microimaging and microangiography

Experimental study on the evaluation of microperfusion in patients with lower extremity arteriosclerosis obliterans by superresolution microimaging and microangiography

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600122408
Enrollment
Unknown
Registered
2026-04-13
Start date
2026-04-13
Completion date
Unknown
Last updated
2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lower extremity arteriosclerosis obliterans

Interventions

Observation group of lower extremity arteriosclerosis obliterans:None

Sponsors

The First Affiliated Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime frame
Microvascular density;Microvascular flow velocity;Blood volume;Perfusion index;Peak intensity;The area under the curve;Arrival time;Peak time;

Secondary

MeasureTime frame
Rutherford classification;

Countries

China

Contacts

Public ContactXiaoping Ye

The First Affiliated Hospital of Chongqing Medical University

yxplh051224@163.com+86 23 89012746

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 23, 2026