The Giacomini vein is present in 2.5%-10% of all patients having a phl
ebography because of varicosis. In a patient analysis of the last 5 ye
ars 129 patients were detected with a Giacomini vein (2.5%) out of a t
otal of 5132 patients with varicosis. This vein was found in a signifi
cantly higher number of patients with a combined insufficiency of the
long and short saphenous vein (p = 0.0001). An analysis of the differe
nt insufficiency patterns showed a Giacomini vein in 80% of insufficie
ncy of grade I of the long and short saphenous vein. Likewise, this ve
in could be detected in more than half of the cases with complete insu
fficiency of both venous trunks (51%) as well as in 55% of the patient
s with a short saphenous vein insufficiency of grade III and an incomp
lete insufficiency of the long saphenous vein. On the other hand, ther
e was no connection between insufficiency of the long saphenous vein,
incomplete insufficiency of the short saphenous vein and the presence
of the Giacomini vein. From these results we draw the conclusion that
the Giacomini vein is a pathophysiologic connection between the two pr
oviding areas and thus transfers the insufficiency from one vascular s
ystem to the other. It hereby enhances the combined varicosis of both
trunks as well as the formation of relapses. Therefore the Giacomini v
ein should always be stripped or removed by exeresis.