The Japanese Vein Study: The 12th Survey of Varicose Veins

Abstract

This study was made to clarify the changes of treatment for primary varicose veins in the last 5 year, by comparing with the previous results which was carried out in 2004. Sixty-four institutions belonging to the Japanese Society of Phlebology answered questions using a questionnaire, and 11,832 new patients with primary varicose veins of the leg were analyzed. The following results were obtained.1) Number of patients increased when compared with the previous study. Patients tend to concentrate in the some clinics.2) When compared with the previous study, the incidence of stripping operation increased, while ligation of the saphenous vein decreased.3) Foam sclerotherapy, trunk foam sclerotherapy and endovenous therapy were adopted in past five years.