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Revista argentina de microbiología

versión On-line ISSN 1851-7617

Resumen

ANZAUDO, M.M.; BUSQUETS, N.P.; RONCHI, S.  y  MAYORAL, C.. Isolated pathogen microorganisms in respiratory samples from children with cystic fibrosis. Rev. argent. microbiol. [online]. 2005, vol.37, n.3, pp. 129-134. ISSN 1851-7617.

Cystic Fibrosis (CF) is characterized by a dysfunction of the exocrine secretion glands. The first symptoms often appear in the respiratory system which constitutes one of the most important morbimortality causes in these patients. Chronic respiratory tract colonization is caused mainly by bacteria such as Staphylococcus aureus, Haemophilus spp. and Pseudomonas aeruginosa. Respiratory samples from patients with CF (age group: 4 months to 11 years) were analyzed from November 2001 to August 2004. The most frequently isolated microorganisms were S. aureus (38.7%), P. aeruginosa (37.4%) and Haemophilus spp (15.3%). A high resistance to erithromycine (35.0%) and clindamicine (29.4%) was observed in S. aureus strains and 25.9% of them were methicillin-resistant. P. aeruginosa strains were mainly gentamicin-resistant (31.0%). The rate of ampicillin-resistant Haemophilus spp. was 23.0% and it was due to the presence of beta-lactamases, but a high trimethoprim-sulfamethoxazole resistance was observed in this microorganism (59.0%).

Palabras llave : cystic fibrosis; children; respiratory pathogen microorganisms.

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