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2005•The Pediatric Infectious Disease JournalRequires access

ACTIVITY OF TRIMETHOPRIM-SULFAMETHOXAZOLE AGAINST MIDDLE EAR FLUID PATHOGENS OBTAINED FROM COSTA RICAN CHILDREN WITH OTITIS MEDIA

Adriano Arguedas, Hernán Sierra, Carolina Soley, Silvia Guevara, Eduardo Brilla

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Abstract

For many years, trimethoprim-sulfamethoxazole (TMP-SMX) has been recommended as an alternative antimicrobial agent for the treatment of children with otitis media (OM). This study analyzed the in vitro activity of TMP-SMX against respiratory pathogens obtained from middle ear fluid of Costa Rican children 6-60 months of age with acute OM, recurrent OM, therapeutic failures and acute OM at risk for having a resistant pathogen. Between 2002 and 2003, a total of 124 middle ear fluid bacterial isolates were analyzed and compared with historic data from 1992 to 1997. A significant increase in the number of TMP-SMX Streptococcus pneumoniae (P = 0.00008)- and Haemophilus influenzae (P = 0.04)-resistant strains was observed during 2002-2003 when compared with strains from 1992-1997.

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What this paper is about

For many years, trimethoprim-sulfamethoxazole (TMP-SMX) has been recommended as an alternative antimicrobial agent for the treatment of children with otitis media (OM). This study analyzed the in vitro activity of TMP-SMX against respiratory pathogens obtained from middle ear fluid of Costa Rican children 6-60 months of age with acute OM, recurrent OM, therapeutic failures and acute OM at risk for having a resistant pathogen. Between 2002 and 2003, a total of 124 middle ear fluid bacterial isolates were analyzed and compared with historic data from 1992 to 1997. A significant increase in the number of TMP-SMX Streptococcus pneumoniae (P = 0.00008)- and Haemophilus influenzae (P = 0.04)-resistant strains was observed during 2002-2003 when compared with strains from 1992-1997.

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Available abstract

For many years, trimethoprim-sulfamethoxazole (TMP-SMX) has been recommended as an alternative antimicrobial agent for the treatment of children with otitis media (OM). This study analyzed the in vitro activity of TMP-SMX against respiratory pathogens obtained from middle ear fluid of Costa Rican children 6-60 months of age with acute OM, recurrent OM, therapeutic failures and acute OM at risk for having a resistant pathogen. Between 2002 and 2003, a total of 124 middle ear fluid bacterial isolates were analyzed and compared with historic data from 1992 to 1997. A significant increase in the number of TMP-SMX Streptococcus pneumoniae (P = 0.00008)- and Haemophilus influenzae (P = 0.04)-resistant strains was observed during 2002-2003 when compared with strains from 1992-1997.

Key concepts: Trimethoprim, Streptococcus pneumoniae, Otitis, Haemophilus influenzae, Sulfamethoxazole, Microbiology, Medicine, Acute otitis media

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ACTIVITY OF TRIMETHOPRIM-SULFAMETHOXAZOLE AGAINST MIDDLE EAR FLUID PATHOGENS OBTAINED FROM COSTA RICAN CHILDREN WITH OTITIS MEDIA — Research Paper | ScholarLens