Abstract
Objective:
Trendelenburg's theory was based on the concept of a descending valvular incompetence com mencing at the saphenofemoral junction (SFJ) with subsequent distal progression of reflux. The aim of this study was to evaluate the distribution of reflux in patients with superficial venous incompetence in order to assess validity of the above hypothesis.
Procedures:
The superficial and deep venous system of a consecutive series of 443 patients presenting with primary varicose veins was examined by one vascular technologist using colour flow ultrasonography.
Results:
Six hundred and eleven lower limbs in 443 patients were examined. The distribution of long saphenous vein (LSV) reflux was the following: Of the 611 limbs 454 showed LSV reflux, with 240 legs exhibiting total reflux (SFJ and LSV) and 214 legs exhibiting reflux in evolution (LSV reflux with competent saphenofemoral valve, isolated posterior arch reflux and lateral anterior thigh vein reflux with SFJ reflux).
Conclusion:
These results suggest that reflux starts distally and progresses proximally, thus throwing the Trendelenburg theory into dispute.
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