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Percutaneous transluminal angioplasty (PTA) alone was used to treat 54 (23 per cent) of 232 lower limbs with critical ischaemia. Technical success was achieved in 49 cases (91 per cent) with an immediate symptomatic improvement in 47 (87 per cent). There was no death or limb loss attributable to PTA and three embolic complications were successfully treated by percutaneous aspiration. Symptomatic improvement and haemodynamic patency rates at 24 months were 77 and 78 per cent respectively; 27 of 34 limbs with ulceration or gangrene had healed with minor surgery by a median of 7.5 (range 3.0-18.0) months. Patient survival and limb salvage rates at the same time interval were 76 and 89 per cent respectively. These results demonstrate that, for a selected group of patients with lower-limb critical ischaemia, PTA can be a highly successful therapeutic option with a low associated morbidity.
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