Effects of low-level laser energy of microcirculation

被引：0
|
作者：
Maegawa, Y [1 ]
Hosokawa, T [1 ]
Itoh, T [1 ]
Yaegashi, K [1 ]
Hirose, M [1 ]
Morimoto, T [1 ]
Tanaka, Y [1 ]
机构：
[1] Kyoto Prefectural Univ Med, Dept Anesthesiol, Kyoto 602, Japan
来源：
MANAGEMENT OF PAIN A WORLD PERSPECTIVE III | 1998年
关键词：
D O I：
暂无
中图分类号：
R614 [麻醉学];
学科分类号：
100217 ;
摘要：
The physiological basis of low-level laser treatment (LLLT), which is widely used in pain clinic practice(1), was investigated with special reference to microcirculation. Male Wistar rats were used. The tow-level laser was irradiated on the mesenteric arteriole about 20 mu m in diameter for five minuets and red cell velocity (V-RBC), microvessel diameter (D) and volumetric blood flow (Q) (calculated with V-RBC and D) were measured at pre and post laser irradiation. Q rapidly increased in 1 min after laser irradiation (early phase) and slowly increased for 5 to 20 min until it reached plateau by 30 min. These changes were not affected by denervation, but superfusion of L-NAME suppressed the increase of Q at early phase. The results suggest the involvement of nitric oxide (NO) in the increase of Q by low-level laser irradiation.
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页码：393 / 397
页数：5
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