[Definitions and epidemiology of varicose vein disease].

DEFINITIONS AND EPIDEMIOLOGY OF VARICOSE VEIN DISEASE. Chronic superficial venous disorders are a frequent reason for medical consultation. Depending on the study, between 20% and 60% of the general population suffer from varicose veins of the lower limbs. The socio-economic cost of venous disease is considerable, accounting for between 1% and 3% of national healthcare budgets. The factors leading to the formation of varicose veins and the pathogenesis are not clearly elucidated, but two factors have been identified: weakness of the venous wall and hemodynamic disorders. Symptoms and clinical signs are highly variable, ranging from aesthetic dissatisfaction to leg ulcers. The CEAP classification (clinical, etiological, anatomical, pathophysiological) enables the practitioner to precisely define chronic venous disease, providing a precise diagnostic description as well as enabling the patient to be monitored over time. Various quality-of-life scales have also been developed.