2009, Número 4
Choque séptico en un paciente con parvovirus B-19 ¿Agente etiológico o infección oportunista?
Rojo EA, Orzechowski RA, Videgaray OF
Idioma: Español
Referencias bibliográficas: 35
Paginas: 205-209
Archivo PDF: 196.29 Kb.
RESUMEN
El parvovirus humano B19 es un virus ADN, agente causal de la enfermedad infantil llamada eritema infeccioso. En adultos se presenta como una enfermedad autolimitada, con fiebre, artralgias, erupción cutánea, fatiga y edema. En los pacientes inmunocomprometidos puede producir anemia crónica. Se han reportado casos aislados de infecciones graves por parvovirus B19 como miocarditis, vasculitis, linfadenitis, púrpura trombocitopénica autoinmune, síndrome hemofagocítico, hepatitis fulminante, pericarditis, neumonía, anemia aplásica, insuficiencia renal aguda, crisis convulsivas y un caso de sepsis severa. La detección de anticuerpos es el sistema habitual para el diagnóstico de la infección reciente, también se puede demostrar la presencia del virus por microscopia electrónica, detección antigénica y detección de ADN del virus. El tratamiento es sintomático, con antiinflamatorios no esteroideos. El tratamiento de la infección persistente en los pacientes inmunodeprimidos es con inmunoglobulina intravenosa. Presentamos el caso de un adulto sano, con infección por parvovirus B19, que presentó infiltrado pulmonar y en las siguientes 12 horas evolucionó a choque séptico. Se realizó un estudio exhaustivo para encontrar el agente etiológico y sólo fueron positivas la serología y la PCR para parvovirus B19.
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