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Age Ageing. 1986 Jan;15(1):47-52.

Significance of pharyngeal colonization with aerobic gram-negative bacilli in elderly institutionalized men.


The prevalence of pharyngeal colonization with aerobic Gram-negative rods was studied on three occasions during one year in 68 elderly males resident on two long-term care wards. For the three surveys, pharyngeal carriage was identified in 43%, 43%, and 37% of residents. Each resident tended to remain either colonized or noncolonized. Pharyngeal colonization was associated with resident incontinence, the development of infection, and increased mortality during the year of observation.

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