Investigate of Nasopharyngeal Flora in Highly Aged Patients

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  • 高齢者における上咽頭細菌叢の検討
  • コウレイシャ ニ オケル ジョウ イントウ サイキンソウ ノ ケントウ

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Abstract

To clarify the bacteriological interpretation of flora in the nasopharynx of highly aged patients (n=107), healthy nasopharyngeal swabs were obtained from subjects of advanced age. Chief pathogenic bacteria isolated from highly aged persons were coagulase negative Staphylococcus (43 strains), Corynebacterium spp.(14 strains), methicillin-susceptible Staphylococcus aureus (β-lactamase production and non-production) (16 strains), methicillin-resistant Staphylococcus aureus (β-lactamase production) (6 strains). Chief nonpathogenic bacteria isolated from highly aged persons were α-streptococcus (14strains), Neisseria sp (3 strains). Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis which are the chief bacteria isolated from children, demonstrated only 3 strains for each bacteria. In cases showing detection of multiple detected bacteria, common combinations were nonpathogenic bacteria and weakly pathogenic bacteria and enteric bacteria and pathogenic bacteria. The differences between nasopharyngeal flora of children and highly aged persons are suspected to be due to the differences in immunological and anatomical factors. We should actively examine these factors in highly aged subjects.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 76 (2), 89-95, 2002

    The Japanese Association for Infectious Diseases

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