防塵・防菌マット(粘着シート)と細菌汚染

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There are usually antimicrobial adhesive mats at the entrance to the ICU and operating rooms in order to prevent hospital infection. The effect of four types of such mats was examined. 1. Antimicrobial activity of the mats containing an antimicrobial agent against clinically isolated microorganisms was examined in accordance with the disc method. The mats examined were found to be divided into three; the mats with strong antimicrobial activity against almost all of the tested microorganisms, those with weak antimicrobial activity, and those without any antimicrobial activity. 2. Spores of B. subtilis were replicated on three types of mats and the spores on the mats were counted with the passage of time. Neither decrease in the spore count nor the difference in the spore count among the three types of the mats were observed. 3. When the bacteria on the mats and floor of the ICU were isolated, most of them were found to be S. aureus, coagulase negative staphylococci and non-fermentative gram negative rods. The count of the bacteria on the floor was not affected by the frequency or extent of cleaning and remained constant at 10^2-10^3/90cm^2. On the other hand, the count of the bacteria on the mats increased, if the fresh surface of the mats was exposed. However, the count was saturated after certain time. Therefore, it is necessary to change the surface of the mats to a fresh one at a short interval in order to prevent hospital infection.
日本医療機器学会の論文
1987-06-01

防塵・防菌マット(粘着シート)と細菌汚染

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