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Print version ISSN 0121-0793


RESTREPO LOZADA, Mary Alejandra; MUNERA JARAMILLO, María Isabel; RAMIREZ PUERTA, Blanca Susana  and  ACUNA RAMOS, Clara Patricia. Streptococcus pyogenes infection and asymptomatic throat carriage in children. Iatreia [online]. 2012, vol.25, n.3, pp.203-209. ISSN 0121-0793.

Objective: To establish the frecuency of Streptococcus pyogenes infection or asymptomatic carriage in a group of children, by means of a rapid antigendetection test. Methods: A cross-sectional study was carried out in a non-probabilistic sample of 144 children aged between 3 and 13 years, in two educational institutions in Bogotá and Medellin. A single throat specimen was obtained from each child to carry out the rapid test; demographic data and information on pertinent symptoms and signs were obtained by means of a survey. Mean and standard deviation and percentages were calculated according to the nature of the variables. Results: Average age was 5.5 ± 2.8 years, with even distribution by gender. Twenty one children (14,6%) were positive for S. pyogenes; out of them, 10 had possible infection and 11 were asymptomatic throat carriers. Forty five children (31.3%) reported pharyngeal symptoms and 10 (22.2%) out of them were positive in the rapid test. Ninety nine children (68.7%) were asymptomatic and of them 11 (11.1%) were also positive. Discussion: Management protocols for S. pyogenes infection would benefit from the detection based on rapid tests.

Keywords : Diagnosis; Laboratory Test; Public Health; Streptococcus pyogenes; Streptococcal Infections; Tonsillitis.

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