Abstract
We have studied patients with recurrent varicose veins which were incompletely controlled by a thigh tourniquet. We used varicography, (a phlebogram via the varices), to detect sites of incompetence. Thirty patients (mean age 46 years) were investigated, 38 limbs being subjected to varicography and surgery. A primary operation had been performed between 3 months and 30 years earlier. A non-thrombogenic contrast medium, sodium meglumine ioxaglate 320 (Hexabix 320) was used. Metal markers were placed alongside the limb to identify the site of perforating veins on the phlebograms. The principal value of the technique was in the identification of mid-thigh perforator incompetence (MTPI) as we cannot diagnose this accurately by clinical or Doppler-ultrasound examination. Varicography demonstrated MTPI in 15/38 limbs (39%) and in only one thigh was this not confirmed at exploration. Varicography can demonstrate short saphenous incompetence and this was mainly of value in 3 patients who had previously undergone attempted short saphenous ligation; in all 3 the short saphenous vein was present and had not been ligated. The technique was less useful in demonstrating recurrence in the groin. Overall varicography influenced the operation performed in 17/38 limbs (45%), its main value being in the diagnosis of MTPI.
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