Investigating pulsed dye laser-blood vessel interaction with color Doppler optical coherence tomography

被引:40
作者
Barton, JK [1 ]
Welch, AJ
Izatt, JA
机构
[1] Univ Arizona, Biomed Engn Program, Tucson, AZ 85721 USA
[2] Univ Texas, Biomed Engn Program, Austin, TX 78712 USA
[3] Case Western Reserve Univ, Dept Biomed Engn, Cleveland, OH 44106 USA
[4] Case Western Reserve Univ, Dept Med, Cleveland, OH 44106 USA
来源
OPTICS EXPRESS | 1998年 / 3卷 / 06期
关键词
D O I
10.1364/OE.3.000251
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A non-invasive method of imaging laser irradiated blood vessels has been achieved using Color Doppler Optical Coherence Tomography (CDOCT). This method may increase understanding of the mechanisms behind treatment of vascular disorders. The CDOCT system used a 1280 nm center wavelength superluminescent diode. A 585 nm, 360 mu s pulsed dye laser was used to irradiate hamster dorsal skin flap window preparations. Irradiation sites were imaged with CDOCT prior to, immediately after, and 24 hours after laser irradiation. The processed CDOCT signal provided an estimate of the blood flow velocity. An increase in the blood vessel backscattered signal was observed as blood or vessel walls were coagulated. A decrease in damaged blood vessel reflectivity occurred after twenty four hours. (C)1998 Optical Society of America
引用
收藏
页码:251 / 256
页数:6
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