IDENTIFICATION AND SUSCEPTIBILITY OF CLINICALLY ISOLATED BACTERIA. STATISTICAL DATA AT SHOWA UNIVERSITY HOSPITAL FROM JULY 1990 TO JUNE 1991
The infection of compromised hosts by resident bacteria has become a serious problem, because the infection is very severe and nosocomial infection occurs. We introduced an automated system, AUTOSCAN-4 (Baxter, CA), for identification and susceptibility tests for clinically isolated bacteria in July...
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Published in | Journal of The Showa Medical Association Vol. 52; no. 1; pp. 93 - 103 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | Japanese |
Published |
The Showa University Society
1992
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Subjects | |
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Abstract | The infection of compromised hosts by resident bacteria has become a serious problem, because the infection is very severe and nosocomial infection occurs. We introduced an automated system, AUTOSCAN-4 (Baxter, CA), for identification and susceptibility tests for clinically isolated bacteria in July 1990. Detailed and accurate results of identification and susceptibility can be produced by the system. We have accumulated statistics of the identification and susceptibility of clinically isolated bacteria at Showa University Hospital, during the year from July 1990 to June 1991. Pathogenic bacteria were isolated and 1/3 to 1/2 of the specimens (about 3, 500 specimens per month) were identified. Staphylococcus aureus was isolated from 300-500 specimens and had the highest frequency of occurrence. Next was Pseudomonas aeruginosa obtained from 200-400 specimens. According to the susceptibility test, about 70% of S. aureus isolftes were identified as Methicillin Resistant Staphylococcus pureus (MRSA), and 15% of P. aeruginosa isolates were extremely drug-resistant against various antimicrobial agents. MRSA was isolated from 100-150 patients out of a total of 1, 000 inpatients in the hospital per month. Twenty to forty percent of the patients infected with MRSA were also infected with P. aeruginosa. This indicates the difficulty of antimicrobial treatment of these multi infected patients. |
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AbstractList | The infection of compromised hosts by resident bacteria has become a serious problem, because the infection is very severe and nosocomial infection occurs. We introduced an automated system, AUTOSCAN-4 (Baxter, CA), for identification and susceptibility tests for clinically isolated bacteria in July 1990. Detailed and accurate results of identification and susceptibility can be produced by the system. We have accumulated statistics of the identification and susceptibility of clinically isolated bacteria at Showa University Hospital, during the year from July 1990 to June 1991. Pathogenic bacteria were isolated and 1/3 to 1/2 of the specimens (about 3, 500 specimens per month) were identified. Staphylococcus aureus was isolated from 300-500 specimens and had the highest frequency of occurrence. Next was Pseudomonas aeruginosa obtained from 200-400 specimens. According to the susceptibility test, about 70% of S. aureus isolftes were identified as Methicillin Resistant Staphylococcus pureus (MRSA), and 15% of P. aeruginosa isolates were extremely drug-resistant against various antimicrobial agents. MRSA was isolated from 100-150 patients out of a total of 1, 000 inpatients in the hospital per month. Twenty to forty percent of the patients infected with MRSA were also infected with P. aeruginosa. This indicates the difficulty of antimicrobial treatment of these multi infected patients. |
Author | FUKUCHI, Kunihiko TAKAGI, Yasushi TANAKA, Youko GOMI, Kunihide WAKUTA, Rika YAMAGUCHI, Tomoko |
Author_xml | – sequence: 1 fullname: FUKUCHI, Kunihiko organization: Department of Clinical Pathology, Showa University School of Medicine – sequence: 2 fullname: TAKAGI, Yasushi organization: Department of Clinical Pathology, Showa University School of Medicine – sequence: 3 fullname: GOMI, Kunihide organization: Department of Clinical Pathology, Showa University School of Medicine – sequence: 4 fullname: YAMAGUCHI, Tomoko organization: Central Clinical Labolatories, Showa University Hospital – sequence: 5 fullname: WAKUTA, Rika organization: Central Clinical Labolatories, Showa University Hospital – sequence: 6 fullname: TANAKA, Youko organization: Central Clinical Labolatories, Showa University Hospital |
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References | 1) Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically second edition: NCCLS Document M7-A2 vol. 10 (8) 1990. 2) 本田一陽: 緑膿菌 耐性の現状. 日本臨床46 (特別号) : 246-255, 1988. |
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Snippet | The infection of compromised hosts by resident bacteria has become a serious problem, because the infection is very severe and nosocomial infection occurs. We... |
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SubjectTerms | MIC : minimal inhibitory concentration MRSA MSSA Pseudomonas aeruginosa staphylococcus aureus |
Title | IDENTIFICATION AND SUSCEPTIBILITY OF CLINICALLY ISOLATED BACTERIA. STATISTICAL DATA AT SHOWA UNIVERSITY HOSPITAL FROM JULY 1990 TO JUNE 1991 |
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