[Prevalence of venous diseases. The San Valentino screening and prevalence study].

The PAP/PEA (Prevalence of Early Atherosclerosis) study aims to define the prevalence of subclinical atherosclerosis in a typical population of central Italy. A concomitant study evaluates the prevalence of venous diseases. The first group of 850 patients evaluated, indicated the prevalence of superficial ve-nous disease, the prevalence of deep venous thrombosis and pulmonary embolism and the prevalence of the most common venous malformations. Also the costs of venous problems was considered. In conclusion some 12% of the evaluated population sample (male population 46%) had or had been affected in the past by a venous problem and 50% of them had been under some form of treatment.