Visualization of the effects of pulsed lasers using an atherosclerotic arterial wall model

Masakatsu Asada; Jan Kvasnicka; Herbert J. Geschwind M.D.

doi:10.1117/12.146571

23 June 1993 Visualization of the effects of pulsed lasers using an atherosclerotic arterial wall model

Masakatsu Asada, Jan Kvasnicka, Herbert J. Geschwind M.D.

Proceedings Volume 1878, Diagnostic and Therapeutic Cardiovascular Interventions III; (1993) https://doi.org/10.1117/12.146571
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Despite recent technological advances in laser catheter technology and the use of guidewire guidance, clinical studies still reveal an important number of arterial wall dissections and less commonly perforations following coronary laser angioplasty. The aim of the study was to establish a simple model of atherosclerotic arterial wall and to assess the mechanical effects induced by holmium-yttrium-aluminum-garnet (Ho-YAG) laser and XeCl excimer laser (Ex). Empirical relationship between laser energy and maximal expansion distance of the targets may be established with Ho-YAG laser. Our data suggest that the excimer laser ablates tissue with less traumatic effect than Ho-YAG laser.

Citation Download Citation

Masakatsu Asada, Jan Kvasnicka, and Herbert J. Geschwind M.D. "Visualization of the effects of pulsed lasers using an atherosclerotic arterial wall model", Proc. SPIE 1878, Diagnostic and Therapeutic Cardiovascular Interventions III, (23 June 1993); https://doi.org/10.1117/12.146571

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