Unexpected Ventriculitis Complication of Neonatal Meningitis Caused by Streptococcus gallolyticus Subsp. pasteurianus : a Case Report
2018
: Streptococcus gallolyticus subsp. pasteurianus, previously recognized as S. bovis biotype II/2, is an uncommon yet important cause of invasive infection in young infants. Here, we report the first case of ventriculitis that was unexpectedly diagnosed in the course of neonatal meningitis due to S. gallolyticus subsp. pasteurianus, and we review the relevant literature. A 28-day-old male infant from Japan presented with fever, lethargy, and irritability. S. bovis was isolated from blood and the cerebrospinal fluid culture and was then identified as S. gallolyticus subsp. pasteurianus. Intravenous antibiotic therapy was initiated, which helped improve the clinical course of the disease; however, the patient presented ventriculitis-related complications diagnosed using follow-up magnetic resonance imaging (MRI) on day 12 of hospitalization. Ampicillin was administered for 21 days and discontinued after the patient showed improvement, according to MRI findings. The patient was discharged without sequelae. Ventriculitis is a rare complication of childhood meningitis due to S. gallolyticus subsp. pasteurianus. However, it may have been underdiagnosed, especially in cases with no specific manifestations similar to the present case. We suggest that MRI should be performed to screen for ventriculitis in the course of meningitis to avoid failure in treatment.
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