The perigenicula lower limb amputations performed for peripheral vascular disease in Nottingham between April 1987 and September 1992 were reviewed. Of the 434 amputations, 173 were below-knee amputations (BKA), 144 Gritti-Stokes amputations (GSA) and 117 above-knee amputations (AKA). The 30-day mortality was significantly greater for AKA patients than either GSA or BKA patients. There was no difference in mortality within 30 days of amputation between GSA and BKA. Re-amputation rate to a more proximal level was significantly higher in BKA compared with GSA. Mobility after prosthetic rehabilitation was assessed using the Stanmore grading. A greater number of patients achieved mobility grade III and above in the GSA and BKA groups when compared with the AKA group, but there was no significant difference between GSA and BKA groups. At follow-up, a median of 23 months after amputation, there was a tendency for more patients to have given up using their limb prosthesis in the GSA group than either the BKA or AKA groups. However, there remained no significant difference between the BKA and GSA groups in the numbers of patients who remained successfully rehabilitated to Stanmore grade III or above. When a BKA is not possible, GSA offers a better prospect for rehabilitation compared with AKA in patients with occlusive arterial disease.
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