Radiology, Vol 168, 121-125, Copyright © 1988 by Radiological Society of North America

ARTICLES

Percutaneous laser thermal angioplasty: initial results and 1-year follow-up in 129 femoropopliteal lesions

TA Sanborn, DC Cumberland, AJ Greenfield, CL Welsh and JK Guben
Evans Memorial Department of Clinical Research, University Hospital, Boston University Medical Center.

Percutaneous peripheral laser thermal angioplasty with a laser-heated metallic-capped fiber was used as an adjunct to conventional balloon angioplasty. Initial angiographic and clinical success was achieved in 99 of 129 (77%) femoropopliteal stenoses and occlusions (21 of 22 [95%] stenoses, 17 of 17 [100%] short [1-3-cm] occlusions, 26 of 37 [70%] medium-length [4-7-cm] occlusions, and 35 of 53 [66%] long [greater than 7 cm] occlusions). There was a 4% frequency of vessel perforation without clinical sequelae and no necessity for emergency bypass surgery. The 1-year cumulative clinical patency was 77% for the 99 lesions with an initial clinical success. In the 21 stenoses and 17 short occlusions, the cumulative clinical patency rates were 95% and 93%, respectively. In the longer occlusions (4-7 cm and greater than 7 cm), the clinical patency rates were 76% and 58%, respectively. The initial angiographic and clinical success, as well as the 1-year cumulative clinical patency, for stenoses and short occlusions after laser-assisted balloon angioplasty may be greater than after conventional balloon angioplasty alone.

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