부산대학교 도서관

Results: Of 391 legs of patients who could be contacted, REDO was performed in 23 legs (6%), including 15 limbs immediately after this investigation, and symptomatic REVAS was observed in 29 legs (7%). In 270 legs examined by VUS, REVAS legion was diagnosed as follows: 29 legs with Level 1 legion; 40 legs with Level 2 lesion; and 27 legs with Level 3 lesion. Level 1 REVAS caused at the SFJ was limited to only 3 legs (1.1%) whereas Level 1 REVAS from incompetent perforating veins (IPVs) was seen in 14 legs (5%), and Level 1 solitary tributary varices were seen in 9 legs (3%).