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Culture-independent microbiological analysis of foley urinary catheter biofilms
Ist Teil von
PloS one, 2009-11, Vol.4 (11), p.e7811-e7811
Ort / Verlag
United States: Public Library of Science
Erscheinungsjahr
2009
Quelle
MEDLINE
Beschreibungen/Notizen
Prevention of catheter-associated urinary tract infection (CAUTI), a leading cause of nosocomial disease, is complicated by the propensity of bacteria to form biofilms on indwelling medical devices [1,2,3,4,5].
To better understand the microbial diversity of these communities, we report the results of a culture-independent bacterial survey of Foley urinary catheters obtained from patients following total prostatectomy. Two patient subsets were analyzed, based on treatment or no treatment with systemic fluoroquinolone antibiotics during convalescence. Results indicate the presence of diverse polymicrobial assemblages that were most commonly observed in patients who did not receive systemic antibiotics. The communities typically contained both Gram-positive and Gram-negative microorganisms that included multiple potential pathogens.
Prevention and treatment of CAUTI must take into consideration the possible polymicrobial nature of any particular infection.