An experimental study on Pseudomonas osteomyelitis with special reference to the production of experimental osteomyelitis in mice (author's transl)] |
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Authors: | M Yamamoto |
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Abstract: | I) The author has successfully produced a model of experimental osteomyelitis caused by pseudomonas aeruginosa using the following procedure though such a demonstration has been said to be very difficult. After impregnation in a solution containing about 10(5) pseudomonas aeruginosa, 3 mm silk thread of No. 5 was dried under low-pressure atmosphere and then inserted into the metaphysis of right tibia of a mouse. This method can be produced experimental osteomyelitis in 100% of the animals. In the experimental osteomyelitis generated pathologically by this method, inoculated organisms do not transmigrate into blood, the kidney and the contralateral tibia. This may therefore be regarded as a local infection causing no death, making a long period of observation possible. In view of the X-ray and patho-histological findings, it is similar to human osteomyelitis. Furthermore, its host is a pure-bred mouse with constant elements making a league-scale experiment possible. II) This is an experimental model of osteomyelitis proved quite useful for the quantitative analysis of the effects of antibiotics, and would be a good method for evaluation of antibiotics to be developed in the future. |
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