Browsing by Author "Viviani Salgado, Tamara Nieves"

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    Caracterización de los episodios de neutropenia febril en niños con leucemia mieloide aguda y leucemia linfoblástica aguda
    (2014) Ducasse, Karen; Fernández, José Pablo; Salgado, Carmen; Álvarez Palma, Ana María; Aviles, Carmen Luz; Becker Kossen, Ana; Topelberg, Santiago; Viviani Salgado, Tamara Nieves
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    Cat-scratch Disease in the Pediatric Population
    (2020) Reyes Zaldívar, Felipe Tomas; Sandoval, Alejandra C.; Prado Sanhueza, Maria Alejandra; Peña Donati, Anamaria; Viviani Salgado, Tamara Nieves
    Background: Bartonella henselae is the etiologic agent of cat-scratch disease, which affects the entire world population. Due to how poorly characterized the child population is, the objective was to describe the clinical behavior of this disease in children younger than 16 years of age. Methods: This was a descriptive study with prospective follow-up of all children younger than 16 years with clinical and serologic diagnoses between 2013 and 2018. Results: There were 142 patients; of these, 55.6% had localized disease, 34.5% disseminated with hepatosplenic involvement and 9.8% had atypical disease. The cases of atypical disease were prolonged febrile illness, Parinaud syndrome, subacute bacterial endocarditis/glomerulonephritis and aseptic meningitis. Cervical lymphadenopathy was the most frequent, followed by inguinal adenopathy. There were no differences between the type of manifestation and laboratory values except for a higher erythrocyte sedimentation rate tendency in patients with disseminated and/or atypical disease. The serologic titers throughout were distributed as follows: titer of 1/1024, 71.7%; titer of 1/512, 10.4% and titer of 1/256, 17.9%. Conclusions: This is, to our knowledge, the largest series of cat-scratch disease published. We demonstrate that in our environment, the inguinal location is suggestive of this disease, the disseminated presentation, frequent, and that the titers are probably much higher than in other populations, which perhaps indicates the need to re-examine the cut-off point for positivity.
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    Endocarditis por Streptococcus pneumoniae en niños. Presentación de un caso clínico y revisión de la literatura
    (2005) Le Corre Pérez, Monique Nicole; Viviani Salgado, Tamara Nieves; Perret Pérez, Cecilia; Prado Sanhueza, Maria Alejandra
    La endocarditis causada por Streptococcus pneumoniae es una patología muy poco frecuente en niños, correspondiendo sólo a 3 - 7% de los casos. Sin embargo, su importancia radica en que se puede presentar de forma muy agresiva, con complicaciones como destrucción valvular y abscesos, y con una mortalidad reportada hasta 61%, de no mediar tratamiento antimicrobiano precoz y muchas veces cardiocirugía. En más del 50% se puede asociar a otros focos infecciosos, como meningitis, neumonía, sinusitis o mastoiditis. Se describe el caso de una lactante de 10 meses que presentó una meningitis asociada a endocarditis debidas a S. pneumoniae, con grave compromiso cardíaco, y que requirió reemplazo valvular. Se realizó una revisión de la literatura médica acerca de endocarditis por S. pneumoniae en niños.
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    Mayor riesgo de infecciones asociadas a atención en salud en niños con necesidades especiales hospitalizados
    (2014) Flores Pérez, Juan Carlos; Riquelme, P.; Cerda, J.; Carrillo Verdugo, Daniela; Matus Casanova, María Soledad; Araya, G.; Viviani Salgado, Tamara Nieves
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    Síndrome febril prolongado : un desafío para el infectólogo pediatra
    (2014) Sandoval, Carmen; Pinochet, Constanza; Peña Donati, Anamaría; Rabello, Marcela; Prado Sanhueza, María Alejandra; Viviani Salgado, Tamara Nieves