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Journal of Clinical Microbiology, October 2000, p. 3867-3869, Vol. 38, No. 10
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Molecular Analysis of Methicillin-Resistant Staphylococcus aureus as a Causative Agent of Bronchopulmonary Infection: Relation to Colonization in the Upper Respiratory Tract

Hiroshi Watanabe,1,* Hironori Masaki,1 Norichika Asoh,1 Kiwao Watanabe,1 Kazunori Oishi,1 Shinobu Kobayashi,2 Akiyoshi Sato,3 and Tsuyoshi Nagatake1

Department of Internal Medicine, Institute of Tropical Medicine, Nagasaki University,1 and Departments of Internal Medicine2 and Microbiology,3 Kyorin Hospital, Nagasaki, Japan

Received 11 May 2000/Returned for modification 1 July 2000/Accepted 1 August 2000

Using five diagnostic markers, we compared the types of 72 strains of methicillin-resistant Staphylococcus aureus (MRSA) isolated simultaneously from the nasal cavity, pharynx, and sputum from 24 patients. Almost identical MRSA types had colonized the nasal cavity and sputum from the same patient for 21 (88%) of the patients. We speculate that most MRSA organisms isolated in sputum are derived from the nasal cavity, while a few are derived from the pharynx.

* Corresponding author. Mailing address: Department of Internal Medicine, Institute of Tropical Medicine, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan. Phone: 81 (95) 849-7842. Fax: 81 (95) 849-7843. E-mail: h-wata{at}net.nagasaki-u.ac.jp.

Journal of Clinical Microbiology, October 2000, p. 3867-3869, Vol. 38, No. 10
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

  • Corne, P., Marchandin, H., Jonquet, O., Campos, J., Banuls, A.-L. (2005). Molecular Evidence that Nasal Carriage of Staphylococcus aureus Plays a Role in Respiratory Tract Infections of Critically Ill Patients. J. Clin. Microbiol. 43: 3491-3493 [Abstract] [Full Text]  
  • Watanabe, H., Masaki, H., Asoh, N., Watanabe, K., Oishi, K., Kobayashi, S., Sato, A., Sugita, R., Nagatake, T. (2001). Low Concentrations of Mupirocin in the Pharynx following Intranasal Application May Contribute to Mupirocin Resistance in Methicillin-Resistant Staphylococcus aureus. J. Clin. Microbiol. 39: 3775-3777 [Abstract] [Full Text]  


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