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Rev. chil. infectol ; 36(4): 433-441, ago. 2019. tab, graf
Artigo em Espanhol | LILACS | ID: biblio-1042659

RESUMO

Resumen Introducción: Las infecciones causadas por enterobacterias productoras de β-talactamasas de espectro extendido (EP-BLEE) tienen implicaciones sobre la morbilidad y mortalidad neonatal. Objetivo: Describir la prevalencia de EP-BLEE en sepsis neonatal y los factores asociados. Métodos: Estudio de cohorte prospectivo, desde agosto del 2016 a agosto del 2017. Se incluyeron recién nacidos (RNs) ingresados en el Hospital Civil de Guadalajara "Dr. Juan I. Menchaca". Mediante prueba de difusión de doble disco se indagó la presencia de EP-BLEE y su asociación con características clínicas y demográficas de los RNs. Resultados: Se estudiaron 1.501 RNs hospitalizados, con edad gestacional promedio de 36,3 semanas. Se diagnosticaron 196 eventos de sepsis neonatal, la etiología más frecuente fueron enterobacterias (45,5%); 88,8% demostraron resistencia a ampicilina y más de 42% a cefalosporinas de amplio espectro. El 22,9% presentó fenotipo BLEE positivo. Tener Apgar ≤ 7 a los cinco minutos de vida (OR 4,6; IC 95% 1,47-14,6) y edad gestacional < 37 semanas (OR 5,4; IC 95%1,04-27,7) incrementaron el riesgo. Conclusión: En las enterobacterias causantes de sepsis neonatal, 22,9% son EP-BLEE; la infección es más probable en pacientes con Apgar ≤ 7 a los cinco minutos de vida y en prematuros.


Background: Infections caused by extended-spectrum beta-lactamases enterobacteria (ESBL-EP) have implications for neonatal morbidity and mortality. Aim: To describe the prevalence of ESBL-EP in neonatal sepsis and associated factors. Methods: A prospective cohort study was conducted from August 2016 to August 2017; newborn babies (NB) hospitalized in the Hospital Civil de Guadalajara "Dr. Juan I. Menchaca" were included. The ESBL-EP were investigated by double-disk synergy test and its association with clinical and demographic characteristics of the NB. Results. A total of 1,501 hospitalized NB were studied, with an average gestational age of 36.3 weeks. They were diagnosed 196 neonatal sepsis events, the most frequent etiologies were enterobacteria (45.5%). Resistance to ampicilin was found in 88.8% and to broad spectrum cephalosporins in more than 42% of the strains; 22.9% of them were ESBL phenotype. Apgar ≤ 7 at five minutes of life (OR 4.6; 95% CI 1.47-14.6) and gestational age < 37 weeks (OR 5.4; 95% CI 1.04-27.) increase the risk. Conclusion: In enterobacteria that cause neonatal sepsis, 22.9% were EP-ESBL; infection was more likely in patients with Apgar ≤ 7 at five minutes of age and in preterm infants.


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Criança , Adolescente , Adulto , Pessoa de Meia-Idade , Adulto Jovem , beta-Lactamases/biossíntese , Infecção Hospitalar/microbiologia , Enterobacteriaceae/efeitos dos fármacos , Infecções por Enterobacteriaceae/microbiologia , Sepse Neonatal/microbiologia , Antibacterianos/farmacologia , Unidades de Terapia Intensiva Neonatal , Testes de Sensibilidade Microbiana , Prevalência , Estudos Prospectivos , Fatores de Risco , Enterobacteriaceae/classificação
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