Effectiveness of surveillance of infrainguinal grafts.
2001
Objective : To audit the surveillance programme of infrainguinal vein graft in a tertiary vascular unit, and find out how effective it was in preventing occlusion of grafts. Design : Retrospective study. Setting : Teaching hospital, Scotland. Subjects : 59 consecutive patients who had 61 vein grafts between 1996 and 1998 for critical limb ischaemia. Interventions : Grafts scanned at 3-monthly intervals for at least a year, and clinical review. Main outcome measures : Survival with an intact limb and patency of the graft. Results : 52 of the 59 patients (90%) were alive at the time of follow up, and 55 of the 61 involved limbs (90%) were intact. Median follow up was 660 days (range 180-1995). 23 stenoses were detected by the surveillance programme. 17 grafts were revised, all of which were patent at follow up, and 8 other grafts occluded requiring 6 major amputations. One-year cumulative primary, primary-assisted, and secondary patency, and limb salvage rates were 63%, 88%, 88%, and 90% respectively. Concl...
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