HHV-6 encephalitis in pediatric pazient: case report

  • Agata Calvario | agata_calvario@libero.it
  • Dante Galeone
  • Maria Luisa Scarasciulli
  • Delio Gagliardi
  • Mariangela Satalino
  • Annamaria Pellegrino
  • Giuseppe Miragliotta


We report the case of a seventeen-month-old child, with a monocular amaurosis, hospitalized for inconsolable crying followed by a deep sleepiness.At neurological examination, and in the absence of clearly focal neurological signs, the child seemed drowsy and could wake only by moderately intense stimuli.A modest metabolic acidosis and an occasional delay of brain electrical activity at EEG, especially on posterior regions of the right hemisphere, were reported. Cranial CT scan, encephalic NMR and ECG were negative. Standard analysis and isofocusing of cerebro-spinal fluid (CSF) were normal, while the virological analysis by Real Time PCR, performed on CSF and whole blood, revealed the presence of HHV-6 DNA. Guthrie Card, tested in triplicate, was positive for HHV-6 and negative for CMV. An antiviral, antibiotic and glucorticoid therapy was started. Following clinical improvement, the little patient was dismissed with a diagnosis of HHV-6 encephalitis. Neurological damages linked to HHV-6 are documented in pediatric patients. But while the infection is suspected of possible vertical viral transmission, HHV-6 remains a little known and misdiagnosed virus.



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Original Articles
HHV-6, pediatric encephalitis, PCR Real Time
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How to Cite
Calvario, A., Galeone, D., Scarasciulli, M. L., Gagliardi, D., Satalino, M., Pellegrino, A., & Miragliotta, G. (2009). HHV-6 encephalitis in pediatric pazient: case report. Microbiologia Medica, 24(4). https://doi.org/10.4081/mm.2009.2519

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