Radiology, Vol 169, 71-74, Copyright © 1988 by Radiological Society of North America

ARTICLES

Arterial occlusive disease below the knee: treatment with percutaneous transluminal angioplasty performed with low-profile catheters and steerable guide wires

DE Schwarten and WB Cutcliff
Department of Radiology, St Vincent Hospital and Health Care Center, Indianapolis, IN 46240-0970.

In 98 patients with arterial occlusive disease below the knee who were candidates for limb salvage surgery, percutaneous transluminal angioplasty (PTA) was performed with a low-profile balloon catheter and steerable guide wire system. Sixteen patients had bilateral disease; thus, there were 114 endangered limbs and 145 diseased vessels, including 19 with a single stenosis, 94 with multiple stenoses, and 32 with total occlusions. Primary anatomic success was achieved in all stenosed vessels and in 28 occluded vessels. Initial limb healing without amputation was achieved in 88% of limbs. In four patients occluded vessels could not be recanalized; thus, the four affected limbs were amputated. Two years after PTA, 32 of 37 patients available for follow-up had viable pain-free extremities. Cumulative limb salvage rate at 2 years was 86%. At this time, below-the-knee PTA is still recommended only for limb salvage candidates. However, with this new catheter and guide wire system, success rates have been increased and complication rates decreased. PTA may be useful in selected patients with severe claudication.

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