A study of respiratory infection and sepsis caused by MRSA at Hokusho Central Hospital

M. Iwamoto, T. Takase, H. Mukae, Y. Inoue, N. Mori, T. Ishino, K. Taira, M. Kaku, H. Koga, S. Kohno

Research output: Contribution to journalArticlepeer-review

Abstract

At Hokusho Central Hospital, we studied the isolation rate of methicillin-resistant Staphylococcus aureus (MRSA) from 1985 to 1989; respiratory infection with MRSA, in 1989; and sepsis of MRSA, from 1988 to 1989. The isolation rate of MRSA from sputum increased from 0% in 1985 to 65.4% in 1989. MRSA was isolated mainly from elderly patients in a geriatric ward, with 55 of 67 strains (82%) being isolated from these patients in 1989. MIC80 of isolated MRSA strains was 0.01 microgram/ml to rifampicin, 0.02 microgram/ml to mynomycine, 3.13 micrograms/ml to vancomycin, 12.5 micrograms/ml to ofloxacin and 100 micrograms/ml to imipenem in 1989. One-third of the 60 isolated cases showed respiratory infections including 10 cases of pneumonia and 10 sepsis patients and 11 blood samples in 1988 and 1989, especially 92.9% of S. aureus isolated in 1989 was MRSA. Four of the 6 patients with respiratory infections of MRSA and 1 of the 3 patients with MRSA sepsis were treated successfully by a combination therapy of imipenem/cilastatin and cefazolin.

Original languageEnglish
Pages (from-to)1190-1197
Number of pages8
JournalKansenshogaku zasshi. The Journal of the Japanese Association for Infectious Diseases
Volume67
Issue number12
DOIs
Publication statusPublished - 1993 Dec

ASJC Scopus subject areas

  • Medicine(all)

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