[Surgical treatment of leg ulcers caused by venous insufficiency]

The basic pathogenetic mechanism of the development of venous crural ulcers is insufficiency of the valvular apparatus of venous anastomoses. Although other factors may be involved, the above cause is the most important one. The basis of surgical treatment is elimination of the incompetent venous anastomoses. An important prerequisite of proper healing of the defect in an effort to preserve the arterial blood supply of the affected area.