Assessment of the Effect of Spa Therapy on the Quality of Life of Patients with Chronic Venous Insufficiency (NEYRAC)

Inclusion criteria: * Age greater than 18 years * Patient with chronic venous insufficiency of the lower limbs (CEAP category C4a, C4b and C4c) * Patient presenting an indication for a phlebology-oriented spa treatment as the primary orientation. Patients with a dermatological or rheumatological pathology can benefit from a dual orientation spa treatment with a main phlebology orientation * Patient affiliated to the social security system or such a system * Available for an 18-day spa treatment and a 6-month follow-up * For women of childbearing age: effective contraception * Patient close to a study investigator (excluding teleconsultation) If not patient with access to the necessary equipment to perform a teleconsultation (smartphone, tablet or computer with an internet connection + taking and sending photos of the lower limbs) Non inclusion criteria: * Venous surgery or venous interventional therapy within 3 months prior to inclusion or scheduled within the next 3 months * History of venous ulcer * Contraindication to spa therapy (immune deficiency, evolving cardiopathy neoplasia, infection, pulmonary tuberculosis, severe renal insufficiency, alcoholic cirrhosis, advanced senility and severe mental disorders) * Predictable intolerance to thermal treatments (intolerance to heat, baths, etc.) * Persons suffering from venous insufficiency of the varicose vein type (category CEAP C2) or edema alone (category CEAP C3) or open or healed ulcers (CEAP category C5 and C6) * Pati…