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Chirurgia 1999 April;12(2):123-6

language: Italian

The saphenous eye and the haemodynamics of venous dilatations

Zamboni P., Liboni A.


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Background. Duplex evaluation of the clinically considered varicose long saphenous vein.Methods. 378 patients, 509 limbs with primary varicose veins, 94 patients, 103 limbs with presence of a visible, superficial varicose vein trunk along the internal side of the thigh. The latter underwent duplex scanning of the entire long saphenous vein.
Main outcome maisure.Sonographic detection of a varicose saphenous vein and/or saphenous veinsegmental dilatation and their relationship with presence of saphenous reflux,turbulence, incompetent perforator as well as of incompetent saphenous tributaries close to the dilated segment.
Results. In 98% of cases the varicose trunk visible at the thigh was demonstrated to be a tributary of the saphenous vein. 34% of the observed saphenous vein presented with segmentary dilatations at the thigh. This finding was related in 100% of cases to saphenous vein reflux with high diastolic velocity and turbulence (p<0.0001).
Conclusions. High resolution ultrasonography demonstrated that when a dilated and varicose longitudinal vein trunk is visible and palpable at the internal side of the thigh is more likely to be a tributary rather that the LSV. In addition, a winding and a varicose saphenous vein along its entire length practically does not exist.However, when a dilated saphenous segment occurs, it seems to be related to high diastolic flow velocity and turbulence.

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