Correlation in Staphylococcus aureus Infections between Toxic Shock Syndrome Toxin-1 Production and Clinical Feature.
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概要
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Toxic shock syndrome (TSS) is caussed by toxic shock syndrome toxin-1 (TSST-1) of <I>Staphylococcus aureus</I>. We studied the incidence of TSST-1 production by the clinical isolates of S. aureus, in order to clarify the possibility of TSS caused by <I>S. aureus</I>. One hundred and seventeen clinical isolates of <I>S. aureus</I> were tested. Of 117 strains, 74 were methicillin-cephem resistant <I>S. aureus</I> (MRSA), and 43 were methicillin-cephem sensitive <I>S. aureus</I> (MSSA). TSST-1 production and penicillinase (PCase) activity were measured by means of reversed passive Latex aggulutination method and acidmetric assay, respectively. The incidences of TSST-1 production by PCase positive MRSA, PCase negative MRSA, PCase positive MSSA and PCase negative MSSA were 92%(55/60), 78%(11/14), 21%(7/33) and 0%(0/10), respectively. TSS occurred in a patient with chronic complicated pyelonephritis after endopyelotomy for hydrone-phrosis. In this patient, PCase positive MRSA which produced TSST-1 was isolated from urinary tract, and he was cured after administration of arbekacin. These results indicsate that methicillin-cephem resistance and PCase production are the risk factors for TSST-1 production in <I>S. aureus</I>.
- The Japanese Association for Infectious Diseasesの論文
The Japanese Association for Infectious Diseases | 論文
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