A Clinical Study of Gastrointestinal Flora in Patients with, or without MRSA Colonization in the Upper-Respiratory Tract after Introduction of Preventive Measures of Hospital Infection

In early 1980's methicillin-resistant Staphylococus aureus (MRSA) was reported as amajor pathogenic organism of geriatric hospital infection in Japan. At the same time in the A geriatric hospital MRSA infection was prevalent. To decrease nosocomial infections some active preventive measures aga...

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Published inKansenshogaku Zasshi Vol. 69; no. 11; pp. 1260 - 1268
Main Authors MASAKI, Hironori, YOSHIMINE, Hiroyuki, NAKANISHI, Toshihiro, MIYATA, Kana, DEGAWA, Satoshi, TAKAHASHI, Hidehiko, KUROKI, Reiki, INOKUCHI, Kazuyuki, MORIMOTO, Konosuke, KAIDA, Shigeo, MATSUMOTO, Keizo, RIKITOMI, Naoto, TAO, Misao, WATANABE, Kiwao, NAGATAKE, Tsuyoshi
Format Journal Article
LanguageJapanese
Published Japan The Japanese Association for Infectious Diseases 01.11.1995
Subjects
Adult
Aged
Aged, 80 and over
bacterial colonization
Cross Infection - prevention & control
Female
Gastric Juice - microbiology
gastrointestinal bacterial flora
hospital infection
Humans
Intestines - microbiology
Male
Methicillin Resistance
Middle Aged
MRSA
Pseudomonas aeruginosa
Respiratory System - microbiology
Staphylococcus aureus - isolation & purification
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Summary:In early 1980's methicillin-resistant Staphylococus aureus (MRSA) was reported as amajor pathogenic organism of geriatric hospital infection in Japan. At the same time in the A geriatric hospital MRSA infection was prevalent. To decrease nosocomial infections some active preventive measures against hospital infection were taken since Oct. 1991. After introduction of preventive measures of hospital infection in the geriatric ward (190 beds) nosocomial bacteremia and pneumonia were markedly decreased in comparison to the episode number before introduction of prevention. However several patients with MRSA colonization were observed every month. The aim of this clinical study was to clear how frequent MRSA was isolated from the gastric juice and stool. Any MRSA was not observed in 63 cultured stool, but just one MRSA was isolated in patients with MRSA colonization. On the other hand gram-negative organisms, which were E. coli, P. aeruginosa, P. rnirabilis etc., were frequently observed in cultured stool. In conclusion we considered frequency of MRSA colonization in gastrointestinal space was not so high but rather very low.
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ISSN:0387-5911
1884-569X
DOI:10.11150/kansenshogakuzasshi1970.69.1260