This article is from the Impotence FAQ, by Sine Nomine email@example.com with numerous contributions by others.
Vascular surgery can be used to correct blood-vessel problems that
hinder erectile function. It is similar to heart bypass surgery, but
most men are not candidates for this procedure. Surgery can be done to
ligate (tie off) veins that cause venous leak, but this operation does
not produce permanent results and has to be redone every few years.