A male patient presenting with a refluxing calf perforator was treated after unsuccessful surgery and sclerotherapy. Nine pulses were delivered at a mean power of 45 W. No anesthesia was performed. The perforator was occluded acutely, and this result persisted at 3 months. A male patient presenting with a refluxing GSV and active ulcer was treated after surgery. Thirty-nine pulses were delivered with a mean power of 38 W. Tumescent anesthesia was performed. The vein was occluded acutely, and this result persisted at 3 months. The ulcer was healed at 3 months.Conclusions: In this first study using HIFU, the preliminary results are encouraging and show that HIFU could become a credible alternative method. In future studies, more cases and longer follow-up will be needed.
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