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Pediatr. (Asunción) ; 45(3)dic. 2018.
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1506976

RESUMO

Introducción: La bacteriemia por Staphylococcus aureus (SA) constituye una de las más graves infecciones de la edad pediátrica. Objetivos: Evaluar las características epidemiológicas, clínicas y laboratoriales de niños con bacteriemias por SA adquiridas en la comunidad (SAAC), identificar factores de riesgos asociados a mortalidad. Materiales y métodos: Estudio retrospectivo en el que se incluyeron pacientes (pts) de ≤16 años, hospitalizados entre 2010-2018, con dx de bacteriemias por SAAC. Los datos clínicos y laboratoriales fueron introducidos en una base de datos de Excel y formateados para análisis. Resultados: Se identificaron 117 pts con una edad media de 56+53 meses, de los cuales 81 fueron≤ 5 años. La bacteriemia se asoció principalmente a neumonía (47% de los casos), presentando choque el 38% e ingreso a UCI el 40% de los pts. En el 27% (32/117) la bacteriemia fue por SAMR. La edad <5 años (p=0.0001), presencia de choque (p=0001), hospitalización en UCI (p=0.002, OR 3.58, IC95% 1.5-8.3) y la mortalidad (p=0.03, OR 2.65, IC95% 1.05-6.7) se asociaron a infección por SAMR. La mortalidad de esta serie fue del 21 % (25/117). La presencia de comorbilidad (p=0.006, OR3.66, IC95% 1.4-92), choque (p=0.0001, OR 87.6, IC 95% 11.5-687.7), focos múltiples infecciosos (p=0.007,OR3.46, IC 95% 1.3-8.9), aislamiento de SAMR (p=0.03, OR 2.65,IC 95% 1.1-6.7), y trombocitopenia <100 000/mm3 (p= 0.0001, OR 25.3, IC 95% 5-128) se asociaron a mortalidad. Conclusiones: El presente estudio muestra la severidad de la bacteriemia por SA. La resistencia a meticilina, la comorbilidad, la presencia de focos múltiples y choque se identificaron como factores asociados a mortalidad.


Introduction: Bacteremia due to Staphylococcus aureus (SA) is one of the most serious infections in the pediatric population. Objectives: To evaluate the epidemiological, clinical and laboratory characteristics of children with bacteremia due to SA acquired in the community (SAAC) and to identify risk factors associated with mortality. Materials and methods: This was a retrospective study in which patients (pts) ≤16 years, hospitalized between 2010-2018, with dx of bacteremia by SAAC were included. Clinical and laboratory data were entered into an Excel database and formatted for analysis. Results: We identified 117 pts with an average age of 56 + 53 months, of which 81 were ≤5 years. Bacteremia was associated mainly with pneumonia (47% of the cases), presenting with shock in 38% and admission to the ICU in 40% of the pts. In 27% (32/117) the bacteremia was caused by MRSA. Age <5 years (p = 0.0001), presence of shock (p = 0001), hospitalization in the ICU (p = 0.002, OR 3.58, 95% CI 1.5-8.3) and mortality (p = 0.03, OR 2.65, 95% CI 1.05-6.7) were associated with MRSA infection. The mortality in this series was 21% (25/117). The presence of comorbidities (p = 0.006, OR3.66, 95% CI 1.4-92), shock (p = 0.0001, OR 87.6, 95% CI 11.5-687.7), multiple infectious foci (p = 0.007, OR3.46, 95% CI 1.3-8.9), MRSA isolation (p = 0.03, OR 2.65, 95% CI 1.1-6.7), and thrombocytopenia <100 000 / mm3 (p = 0.0001, OR 25.3, 95% CI 5-128) were associated with mortality. Conclusions: This study shows the severity of SA bacteremia. Methicillin resistance, comorbidities, the presence of multiple infectious foci and shock were identified as factors associated with mortality.

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