Embolic Potential Of Cardiovascular Laser Irradiation

Stephen T. DeJesus; Jeffrey M. Isner; Anthony J. Rongione; Kim R. Halaburka; Richard H. Clarke

doi:10.1117/12.937368

1 April 1987 Embolic Potential Of Cardiovascular Laser Irradiation

Stephen T. DeJesus, Jeffrey M. Isner, Anthony J. Rongione, Kim R. Halaburka, Richard H. Clarke

Author Affiliations +

Proceedings Volume 0713, Optical Fibers in Medicine II; (1987) https://doi.org/10.1117/12.937368
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

Abstract

Calcified human coronary arterial segments obtained at necropsy were irradiated in vitro with continuous wave (CW) argon laser (n=16) and a pulsed (P) excimer laser (n=28). CW laser irradiation accomplished little debridement of calcified plaque. P laser irradiation accomplished extensive ablation of calcific plaque, but was associated with more particulate photoproducts. The quantity and size of the resultant particles varied as a function of the pulse energy employed. Reduction in pulse energy from 80 to 15 mJ/pulse decreased the quantity of particulate debris by 50% and eliminated the largest (>700 microns) particles.

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Stephen T. DeJesus, Jeffrey M. Isner, Anthony J. Rongione, Kim R. Halaburka, and Richard H. Clarke "Embolic Potential Of Cardiovascular Laser Irradiation", Proc. SPIE 0713, Optical Fibers in Medicine II, (1 April 1987); https://doi.org/10.1117/12.937368

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