Varicose veins of the lower extremities
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 80 (including the boundary value); 2. Patients with primary unilateral varicose saphenous veins of the lower extremities; 3. Clinical grade C2 to C4; 4. The collateral veins originate within 15 cm below the knee; 5. The hemodynamic classification is type I and type III involving the branches; 6. The main trunk diameter of the great saphenous vein in the thigh segment is >=3 mm to <=15 mm; 7. Voluntarily participate in this study and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Body mass index >=35 kg/m^2 ; 2. The main trunk of the great saphenous vein is extremely twisted or closely attached to the subcutaneous tissue ; 3. Previous surgical history of varicose veins on the same side of the lower extremity (controlled by the researcher) ; 4. Previous deep vein thrombosis or thrombosis of the calf muscle vein ; 5. Uncorrectable coagulation dysfunction or significant blood abnormalities (platelet count <=30×10^9/L) ; 6. Known to be allergic to lidocaine or sclerotherapy agents ; 7. Ankle-brachial index <0.6 and/or absolute ankle pressure <60 mmHg ; 8. Those who are pregnant or breastfeeding, or plan to become pregnant within the next year ; 9. The diameter of the origin of the anterior saphenous vein is greater than 3.5 mm ; 10. Vulnerable groups, including those with mental illness, cognitive impairment, critically ill patients, minors, pregnant women, illiterates, etc; 11. The researchers believe that there are other reasons for not being suitable to participate in this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Re-intervention rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to return to normal operation;Patient satisfaction;The number of surgical incisions;Pain;Venous clinical severity score;Postoperative complications (including postoperative edema, skin sensory abnormalities, ecchymosis, etc.);Treatment cost;Dosage of swelling anesthetic fluid;Intraoperative blood loss;Quality of Life;Operation time;Target venous occlusion rate; | — |
Countries
China
Contacts
Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University