Laser angioplasty in peripheral arterial disease |
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Authors: | Herbert J. Geschwind Georges Boussignac Jean-Luc Dubois-Randé Robin Zelinsky Seung-Jea Tahk |
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Affiliation: | (1) University Hôpital Henri Mondor, Inserm U2, University Paris XII, Créteil, France;(2) Service d'Explorations Fonctionnelles, Hôpital Henry Mondor, 51 avenue du Maréchal de Lattre de Tassigny, 94010 Créteil, France |
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Abstract: | Laser angioplasty was performed in 66 patients with total occlusion of the ilio-femoral artery. The system used consisted of a pulsed dye laser operating at 480 nm, 50 mJ pulse–1, 2 s pulse–1 and 5 Hz. The treatment laser was coupled into a 200 m optical fibre wrapped around a coil for improved flexibility and radiopacity. The treatment laser was connected with a diagnostic laser consisting of a continuous wave helium-cadmium laser operating at 325 nm, 50 ms and 3 mW for tissue detection using fluorescence spectroscopy. The primary success rate was 82%, the complication rate was 15% without any clinical sequelae and the 18 month follow-up patency rate was 64%. Due to the narrow pilot channel created by laser angioplasty, in each case a complementary balloon angioplasty was required to restore the arterial lumen. The success rate did not depend upon the length of occlusion but was rather related to the extent of calcification. Laser angioplasty guided by spectroscopy is effective and safe in patients with totally occluded peripheral arteries in whom mechanical devices failed to cross the obstruction. |
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Keywords: | Pulsed dye laser Spectroscopic fluorescence Peripheral artery angioplasty |
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