Methods Subfascial Endoscopic Perforator Surgery was performed for 23 patients wth chronic venous insufficiency.Over two years postoperative follow-up was done.

• 方法对23例下肢深静脉瓣膜功能不全伴发溃疡病人施行内镜下静脉交通支离断术，对术后溃疡愈合情况进行2年以上随访。