Mechanical revascularization of occluded iliac arteries with use of self-expandable endoprostheses.

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Abstract
Self-expandable endoprostheses were used to restore the vascular lumen following mechanical recanalization of iliac occlusions without preceding thrombolytic therapy. During a 24-month period 48 of 68 occlusions were successfully recanalized. The vessel lumen was restored with the combined use of dilation with an "undersized" balloon and subsequent stent insertion. Early reocclusion occurred in two patients; the patency rate at 6 months was 93.3% (28 of 30 patients). Restenosis prompted repeat intervention in two patients. Percutaneous transluminal angioplasty combined with the use of self-expandable stents is a promising alternative to vascular surgery, although techniques for safely crossing the occluded segment require further improvement.