MicrOwave and laSer ablaTion Study (MOST Study)

Exclusion Criteria

• •1. Patients with diameter of target lesion vein \< 2 mm or \> 15 mm
• •2. Patients with previous surgical treatment on the target lesion or patients with acute thrombosis
• •3. Patients with deep vein thrombosis and superficial vein thrombosis
• •4. Patients with acute systemic infectious diseases
• •5. Patients with severe liver and kidney dysfunction (ALT \> 3 times the upper limit of normal value; creatinine \> 225 umol /L)
• •6. Patients with known uncorrectable bleeding or severe coagulopathy
• •7. Patients with anesthesia contraindications
• •8. Patients with poorly controlled hypertension (systolic blood pressure ≥ 160 mmHg and/or diastolic blood pressure ≥ 100 mmHg) and diabetes mellitus (fasting glucose ≥ 10.0 mmol / L)
• •9. Patients with non-primary varicose veins caused by post-deep vein thrombosis syndrome, KT syndrome (Klippel-Trenaunay syndrome), arteriovenous fistula, etc.
• •10. Patients with other diseases that may cause difficulty in conducting the trial or evaluation, such as mental illness, AIDS, malignant tumors, liver disease, cardiac insufficiency, etc. or patients whose life expectancy is less than 1 year
• •11. Pregnant, lactating women, or those planning on becoming pregnant during the trial
• •12. Patients who have participated in clinical trials of other drugs or medical devices in the past 3 months
• •13. Patients considered unsuitable for inclusion by investigators for other reasons