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A prospective randomized trial evaluating the haemodynamic role of incompetent calf perforating veins
R A Fitridge1, C Dunlop, S Raptis
1Department of Surgery, University of Adelaide, Queen Elizabeth Hospital, Woodville, South Australia, Australia. rfitridge@medicine.adelaide.edu.au
Aim:
This study was undertaken to determine the haemodynamic effect of incompetent calf perforating veins in patients with uncomplicated varicose veins and long saphenous incompetence.
Methods:
Thirty-eight limbs from 35 patients were studied. All patients had uncomplicated varicose veins with both long saphenous and calf perforator incompetence on duplex ultrasonography. Patients were randomized to have incompetent calf perforators ligated or left intact, in addition to saphenofemoral junction ligation, strip of long saphenous vein to knee and stab avulsion of any visible varicosities in the leg. Patients were assessed with air plethysmography pre-operatively and 3 months postoperatively.
Results:
Superficial venous surgery improved venous volume, venous filling index and ejection fraction in the patient cohort. No significant haemodynamic difference was demonstrated between the two groups of patients who were randomized.
Conclusions:
At present, the results of this study do not support the use of routine perforator ligation during superficial surgery for uncomplicated varicose veins.