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Med. infant ; 25(4): 299-302, diciembre 2018. tab
Article in Spanish | LILACS | ID: biblio-970392

ABSTRACT

Introducción. La bacteriemia por Pseudomonas aeruginosa (PAE) en niños es infrecuente. Objetivo.Describir las características epidemiológicas, clínicas, microbiológicas y evolutivas en niños con bacteriemia por PAE. Métodos. Estudio de cohorte retrospectivo. Resultados. Se incluyeron 100 pacientes (p). La mediana de edad fue de 27 meses (RIC 6-88).Tenían enfermedad de base: 93 p (93%) y 36 de ellos estaban neutropénicos. Ochenta y cinco p (85%) habían recibido antibióticos en el último mes, 60 (60%) tuvieron procedimientos invasivos previos y 81 (81%) tuvieron internaciones previas. Ingresaron con shock séptico 42 p (42%), 56 p (56%) fueron admitidos en unidad de cuidados intensivos (UCI) y 49 (49%) requirieron ventilación mecánica (VM). La bacteriemia fue primaria en 17 p (17%); asociada a catéter en 15 p (15%) y secundaria en 68 p (68%). El foco más frecuente fue mucocutáneo, 21 p, seguido por el pulmonar, 20 p. El tratamiento empírico fue adecuado en 84 p (84%). La resistencia a uno o más grupos de antibióticos se dio en el 38% de los casos, 11% fueron multirresistentes y 15% fueron resistentes sólo a carbapenemes. Fallecieron 31 p (31%). Pseudomonas aeruginosa resistente a carbapenemes en forma exclusiva o combinada con otros antibióticos se relacionó en esta serie a exposición previa a antibióticos, (p≤0,03), tratamiento empírico inicial inadecuado (p≤0,006) y mayor mortalidad (p≤0,01), prolongación de la internación y del tiempo de tratamiento (p≤0,001)


Introduction. Pseudomonas aeruginosa (PAE) associated bacteremia is uncommon in children. Objective. To describe the epidemiological, clinical, and microbiological features and outcome in children with PAE-associated bacteremia. Methods. A retrospective cohort study. Results. 100 patients (p) were included. Median age was 27 months (IQR 6-88). Overall 93 p (93%) had an underlying disease, 36 of whom had neutropenia. Eighty-five p (85%) had received antibiotics over the previous month, 60 (60%) had undergone previous invasive procedures, and 81 (81%) had been previously admitted. Forty-two p (42%) were admitted because of septic shock, 56 p (56%) were admitted to the intensive care unit (ICU), and 49 (49%) required mechanical ventilation (MV). Seventeen p (17%) had primary bacteremia, 15 p (15%) had catheter-related bacteremia, and 68 p (68%) had secondary bacteremia. The most common focus was mucocutaneous (21 p), followed by pulmonary (20 p). Emperical treatment was adequate in 84 p (84%). Resistance to one or more groups of antibiotics was observed in 38% of the cases; 11% were multiresistant and 15% were only resistant to carbapenems. Thirty-one p (31%) died. In our series, Pseudomonas aeruginosa resistant to carbapenems only or combined with other antibiotics was associated with previous exposition to antibiotics (p≤0.03), inadequate initial emperical treatment (p≤0.006), and higher mortality (p≤0.01), and longer hospital stay and treatment duration (p≤0.001)


Subject(s)
Humans , Infant , Child, Preschool , Child , Adolescent , Pseudomonas aeruginosa/isolation & purification , Pseudomonas aeruginosa/drug effects , Pseudomonas Infections/diagnosis , Pseudomonas Infections/microbiology , Pseudomonas Infections/epidemiology , Bacteremia/microbiology , Bacteremia/mortality , Drug Resistance, Multiple, Bacterial/drug effects , Carbapenems/pharmacology , Prospective Studies , Cohort Studies , Anti-Bacterial Agents/pharmacology
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