Risks and Benefits of Radiofrequency Ablation for Chronic Venous Insufficiency (CEAP C3-C6) in Patients Aged 80 and Over

Exclusion Criteria

• •Participants who meet any of the following criteria will be excluded from the study:
• •1. Mobility: Non-ambulatory or bedridden.
• •2. Thrombosis: Presence of acute superficial thrombophlebitis of the target vein, or deep vein thrombosis (DVT) in the target limb.
• •3. Arterial Disease: Significant peripheral arterial disease, defined as an ankle-brachial index (ABI) \< 0.8 in the target limb.
• •4. Coagulopathy: Uncorrectable coagulation disorder.
• •5. Allergy: Known severe allergy to local anesthetics (e.g., lidocaine) or relevant device materials.
• •6. Cognition \& Compliance: Severe cognitive impairment or psychiatric illness that, in the investigator's judgment, precludes adequate understanding and cooperation for the study procedures and follow-up.
• •7. Life Expectancy: Life expectancy of less than 1 year due to other comorbid conditions (e.g., terminal malignancy).
• •8. General Unsuitability: Any other condition that, in the opinion of the investigator, makes the patient unsuitable for participation in the study.