Clinical experience with peripheral excimer laser angioplasty

Adriana Visona; Walter Cecchetti; Guido Liessi; Luigi Miserocchi; Andrea Bonanome; Luigi Lusiani; Valeria Mayellaro; Antonio Pagnan

doi:10.1117/12.146572

23 June 1993 Clinical experience with peripheral excimer laser angioplasty

Adriana Visona, Walter Cecchetti, Guido Liessi, Luigi Miserocchi, Andrea Bonanome, Luigi Lusiani, Valeria Mayellaro, Antonio Pagnan

Author Affiliations +

Proceedings Volume 1878, Diagnostic and Therapeutic Cardiovascular Interventions III; (1993) https://doi.org/10.1117/12.146572
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

We used an excimer laser system (xenon-chloride at the wavelength of 308 nm) to treat totally occluded peripheral vessels in 71 patients. Energy was delivered through a multifiber catheter, which combines 12 (7F) or 18 (9F) fibers (260 (mu) diameter each), concentrically arranged. Balloon dilatation was associated to complete the procedure in 84% of the cases. The immediate success rate was 97%. The cumulative patency rate was 49% at one year. The major problems with this system were that the stiff multifiber tips caused dissections, and spasm; dead space/active space ratio of the catheter was unfavorable, allowing mechanical `dottering;' the maximum lumen obtained was considered inadequate. After this three year period, the goal of our clinical laser program is to develop a stand alone laser technique by employing a multifiber catheter which combines 130 - 150 fibers 100 (mu) diameter each, and features a quartz coated distal tip.

Citation Download Citation

Adriana Visona, Walter Cecchetti, Guido Liessi, Luigi Miserocchi, Andrea Bonanome, Luigi Lusiani, Valeria Mayellaro, and Antonio Pagnan "Clinical experience with peripheral excimer laser angioplasty", Proc. SPIE 1878, Diagnostic and Therapeutic Cardiovascular Interventions III, (23 June 1993); https://doi.org/10.1117/12.146572

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