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以全光谱紫外线（ＵＶ）５～１１个生物剂量照射３组健康青年人，①组照射右侧臀部，②组照射左侧前臂屈侧，结果两组照射后血浆纤维蛋白原含量（ＰＦＬ）和优球蛋白溶解时间（ＥＬＴ）均低或短于照射前；③组ＵＶ照射胸前区之前，静脉给予止血芳酸０．１ｇ，照射后ＰＦＬ不再降低。ＵＶ激活纤维蛋白溶解系统（ＦＳ）活性可能与其影响了组织型纤溶酶原激活物（ｔ－ＰＡ）有关。我们并观察到，ＵＶ局部照射皮肤可明显降低脑血栓患者血液粘度，抑制体外血栓形成。
Three groups of healthy young adults were exposed to 5 ~ 11 biological doses of full-spectrum ultraviolet (UV) radiation. Group ① was irradiated with right buttocks and group ② with left forearm flexion. Results Plasma PF levels and The euglobulin lysis time (ELT) was both lower or shorter than that before irradiation; (3) Group UVA was administered 0.1g before the chest area, PFL no longer decreased after irradiation. UV-activated fibrinolysis system (FS) activity may be related to its effect on tissue-type plasminogen activator (t-PA). We also observed that UV topical irradiation of the skin can significantly reduce blood viscosity in patients with cerebral thrombosis and inhibit in vitro thrombosis.