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紫外线照射充氧血液前后杀菌能力比较 被引量:2

Comparison of ultraviolet blood irradiation and oxygenation for killing bacteria in blood
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摘要 目的 探索紫外线照射充氧自血回输疗法(UBIO) 治疗感染性疾病的机理。方法 用接种定量细菌于血液计数细菌残存率,比较UBIO处理前后其杀菌能力的变化。结果 在接种细菌量为(0 .5~1 .0) ×104/ml 的条件下,血液本身具有的杀菌能力,30 min 可杀死近半数的细菌,但个体差异大。UBIO 处理后血液中大肠埃希氏菌的残存率较处理前有显著降低(t= 4 .299,P< 0 .001) ,而金黄色葡萄球菌、铜绿假单胞菌差异无显著性(t= 0 .149,0 .472 ,P> 0 .05) 。紫外线直接照射种入细菌的血液,三种被试菌残存率均比未照射的有明显下降(t= 2.489,1.936 ,2 .978 ,P< 0.01)。结论 血液本身具有的杀菌物质在UBIO处理后其杀菌活性可得到增强,但是有菌种的特异性和个体差异。 Objective To study the effect and mechanism of ultraviolet blood irradiation and oxygenation(UBIO) on infectious disease.Methods The killing bacteria energy of UBIO on different bacteriawas carried out in 39 cases with nervous system diseases.During the experiment,some numbers of bacteria were transplanted to blood in test tube.At post-irradiation,the survival rate of bacteria was measured and compared.Results Under the bacteria transplanted (0.5~1.0)×10 4/ml condition,a half of bacteria was almost lethal by blood itself after 30 min.According to the experiment,the survival rate of E.coli in blood was significantly decreased after UBIO(P<0.01),but the S. aureus or P. aeruginosa hadn't been changed obviously.While the three blood samples were directly radiated by ultraviolet,the survival rates of above three bacteria were all decreased.Conclusion It suggests that the blood itself has killing bacterium energy.If the UBIO is administered again,the killing effect must be reinforced.Its effects are varied with different germ species and individuals.
出处 《中华理疗杂志》 2000年第1期27-28,共2页 Chinese Journal of Physical Therapy
关键词 紫外线 血液 杀菌作用 UBIO 实验研究 Ultraviolet rays Oxygen Blood Blood bactericidal activity
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