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1.
Arch. argent. pediatr ; 116(4): 616-620, ago. 2018. ilus
Article in English, Spanish | LILACS, BINACIS | ID: biblio-950054

ABSTRACT

La hidatidosis es una zoonosis producida por el parásito Echinococcus granulosus. En el ciclo zoonótico del parásito, el hombre es un huésped intermediario y sufre la enfermedad tras la ingesta de alimentos y agua contaminados por la materia fecal de animales infectados. En Argentina, la enfermedad constituye un problema importante de salud pública. Suele manifestarse con compromiso hepático y pulmonar. La afectación de otros órganos, que incluyen el corazón, es infrecuente.


Hydatidosis is a parasitic infection caused by the Echinococcus granulosus larvae, transmitted by the ingestion of infected food, characterized by the formation of cysts in vital organs. In Argentina, the disease is spread throughout the territory, constituting an important public health issue. The disease usually affects the liver and lungs. The affection of other organs is rare, and even more uncommon the affection of the heart. We present the case of a disseminated hydatidosis in a pediatric patient, whose initial clinical manifestation was an acute arterial embolism of the right limb caused by the rupture of a hydatidic cardiac cyst.


Subject(s)
Humans , Male , Adolescent , Echinococcosis/diagnosis , Embolism/etiology , Heart Diseases/diagnosis , Acute Disease , Echinococcosis/complications , Embolism/parasitology , Heart Diseases/complications , Heart Diseases/parasitology
2.
Rev. chil. infectol ; 32(1): 19-24, feb. 2015. tab
Article in Spanish | LILACS | ID: lil-742532

ABSTRACT

Background: Multidrug-resistant Acinetobacter baumannii (MAB) is an important nosocomial pathogen. Objectives: To analyze the risk factors for acquiring MAB, and the clinical and microbiological characteristics of MAB bacteremia (MABB) in children. Materials and Methods: Control-case study 2005-2008. Demographic and clinical data from all MABB and from non-multiresistant gram-negative bacteremias were recorded. Identification at species level, antimicrobial susceptibility tests, time-kill studies and clonally relationships were performed. Stata 8.0 was used for data analysis. Results: A total of 50 MABB and 100 controls were included. Ninety four percent of patients acquired MAB in ICU and the 88% had underlying diseases. All patients had invasive procedures previous to MABB. The median of hospitalization stay previous to MABB was different in cases than in controls (16 vs 7 days, p < 0.001). Five clones were detected among the MABB. Time-killing curves showed bactericidal activity of ampicillin/sulbactam plus gentamicin and polymixin B. Three patients with MAB died. In a multivariate analysis final predictors of MABB were: previous use of broad-spectrum antibiotics [OR: 7,0; IC 95% 1,93-25,0; p: 0,003] and mechanical ventilation [OR: 4,19; IC 95% 1,66-10,0; p: 0,002]. Conclusions: MABB were detected in patients with underlying conditions, invasive procedures and prolonged hospitalization. Predictors of MABB were mechanical previous use of broad-spectrum antibiotics and mechanical ventilation.


Introducción: Acinetobacter baumannii multi-resistente (ABM) es un patógeno intrahospitalario de importancia. Objetivos: Analizar factores de riesgo de adquisición y características clínicas y microbiológicas de las bacteriemias por ABM (BABM) en pediatría. Métodos: Estudio de casos y controles período 2005-2008. Se incluyeron variables demográficas y clínicas de pacientes con BABM y por otros bacilos gramnegativos no ABM. Se realizaron pruebas para identificación de especie, susceptibilidad antimicrobiana y detección feno-genotípica de mecanismos de resistencia, sinergia y clonalidad. Análisis estadístico: Stata 8.0. Resultados: Se incluyeron 50 BABM y 100 controles. El 94% de los pacientes adquirieron la BABM en UCI y 88% tenía patologías subyacentes. La mediana de días de internación previa a la bacteriemia fue mayor en los casos (16 vs 7 días, p < 0,001). Se detectaron cinco clones de ABM. Se encontró efecto bactericida in vitro con polimixina B y con ampicilina/sulbactam+gentamicina. Tres casos fallecieron. Análisis multivariado: predictores finales de BABM fueron: antimicrobiano previo de amplio espectro [OR: 7,0; IC 95% 1,93-25,0; p: 0,003] y asistencia respiratoria mecánica (ARM) [OR: 4,19; IC 95% 1,66-10,0; p: 0,002]. Conclusiones: Las BABM fueron detectadas en pacientes con enfermedad subyacente, con procedimientos invasores previos e internación prolongada. Fueron predictores de BABM el tratamiento antimicrobiano de amplio espectro y ARM previa.


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Child , Acinetobacter Infections/microbiology , Acinetobacter baumannii/drug effects , Bacteremia/microbiology , Colistin/therapeutic use , Drug Resistance, Multiple, Bacterial , Acinetobacter Infections/drug therapy , Acinetobacter Infections/epidemiology , Acinetobacter baumannii/isolation & purification , Bacteremia/drug therapy , Case-Control Studies , Catheterization, Central Venous/adverse effects , Intensive Care Units, Pediatric/statistics & numerical data , Length of Stay/statistics & numerical data , Microbial Sensitivity Tests , Respiration, Artificial/adverse effects , Retrospective Studies , Risk Factors
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