Citas bibligráficas
Aguirre, P., Li, V. (2022). Resistencia antibiótica de Staphylococcus aureus en portadores nasales menores de 2 años en Lima, Perú [Universidad Peruana Cayetano Heredia]. https://hdl.handle.net/20.500.12866/11771
Aguirre, P., Li, V. Resistencia antibiótica de Staphylococcus aureus en portadores nasales menores de 2 años en Lima, Perú []. PE: Universidad Peruana Cayetano Heredia; 2022. https://hdl.handle.net/20.500.12866/11771
@misc{renati/910298,
title = "Resistencia antibiótica de Staphylococcus aureus en portadores nasales menores de 2 años en Lima, Perú",
author = "Li Valverde, Valeria Mariana",
publisher = "Universidad Peruana Cayetano Heredia",
year = "2022"
}
Background: Staphylococcus aureus is a common pathogen in children, its main reservoir is the nasal mucosa. Although S. aureus colonization is asymptomatic, this bacterium is one of the main causes of bacteremia. The increase in the variety of methicillin-resistant S. aureus (MRSA) has been complicating the selection of the appropriate treatment. Objective: To evaluate the antibiotic resistance of S. aureus in nasal carriers in children under 2 years of age, to determine the prevalence of nasal carriers of S. aureus and MRSA, as well as to describe the main factors associated with the presence of the latter. Methods and Materials: The study population is made up of the nasopharyngeal sample taken in children from 2 months to 2 years of age, attended in the pediatric outpatient clinic, well-child care or vaccination clinic of 5 hospitals in Lima. Antibiotic resistance was evaluated using the Kirby-Bauer method. Results: Of the 894 samples, 176 (19.69%) were positive for S. aureus and 3 of the 176 (1.70%) were positive for MRSA. The antibiotic resistance pattern found was as follows: erythromycin 34.66%, trimethoprim-sulfamethoxazole 0%, penicillin 90.34% and clindamycin 21.02%. Conclusions: Nasal carriage of S. aureus and MRSA remains low in children under 2 years of age, predominantly under 6 months. Given the small number of MRSA strains found, it was not possible to determine the factors associated with MRSA carriage. The high rate of resistance to clindamycin suggests keeping a close watch on the therapeutic response of the use of each antibiotic.
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