Pediatr Infect Vaccine.  2022 Apr;29(1):46-53. 10.14776/piv.2022.29.e2.

Intraventricular Antimicrobial Therapy for Intractable Ventriculitis: Two Case Reports

Affiliations
  • 1Department of Pediatrics, Korea University College of Medicine, Seoul, the Republic of Korea
  • 2Department of Pediatrics, Korea University Guro Hospital, Seoul, the Republic of Korea
  • 3Department of Neurosurgery, Korea University Ansan Hospital, Ansan, the Republic of Korea
  • 4Department of Pediatrics, Korea University Ansan Hospital, Ansan, the Republic of Korea

Abstract

It is challenging to treat ventriculitis with parenteral treatment alone in some cases because of the difficulty involved in maintaining an appropriate level of antibiotics in cerebrospinal fluid (CSF). We report two cases of ventriculitis who did not respond to intravenous (IV) antibiotics but were successfully treated with intraventricular antibiotics using IV agents. The first case was a four-month-old male patient with X-linked hydrocephalus.He showed ventriculitis due to Klebsiella pneumoniae not producing extended-spectrum β-lactamase and susceptible to third-generation cephalosporins and gentamicin, following ventriculoperitoneal (VP) shunt. His condition did not improve during the 47 days of treatment with IV cefotaxime and meropenem. We achieved improvement in clinical presentation and CSF profile after three times of intraventricular gentamicin injection. The patient was discharged from the hospital with antiepileptic drugs. The second case was a six-month-old female patient with a history of neonatal meningitis complicated with hydrocephalus at one month of age, VP shunt at two months of age, followed by a methicillinresistant coagulase-negative staphylococci (CoNS) shunt infection with ventriculitis after the shunt operation. CoNS ventriculitis recurred four weeks later. We failed to treat intractable methicillin-resistant CoNS ventriculitis with IV vancomycin for ten days, and thus intraventricular antimicrobial treatment was considered. Five times of intraventricular vancomycin administration led to improvement in clinical parameters. There were only neurological sequelae of delayed language development but no other major complications. Patients in these two cases responded well to intraventricular antibiotics, with negative CSF culture results, and were successfully treated for ventriculitis without serious complications.

Keyword

Injections; intraventricular; Cerebral ventriculitis; Central nervous system infections
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