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Neonatal encephalitis due to Chikungunya vertical transmission: First report in Brazil
Antonio Carlos Bandeira1, Gubio Soares Campos2, Silvia Ines Sardi2
1Faculdade de Tecnologia e Ciências Medical School, Av. Luís Viana, 8812, Salvador - Bahia, Brazil.
Purpose:
To report the first case of Chikungunya encephalitis acquired in the perinatal period during the current outbreak in Brazil.
Methods:
Case report.
Results:
A male neonate with 3500 g developed macular erythematous rash, hypoactivity and fever progressing to generalized seizures. His mother had experienced a disseminated rash and fever before delivery. EEG showed diffuse slowing and cranial NMR was suggestive of encephalitis. Rt-PCR for Chikungunya virus (CHIKV) was positive in cerebrospinal fluid (CSF), blood, urine and saliva. The newborn was discharged home with neurological improvement.
Conclusion:
We report the first case of a perinatal CHIKV infection associated with a rapidly evolving encephalitis and an extensive dissemination of the virus as documented by positive rt-PCR results in CSF, blood, urine and saliva in the present outbreak in Brazil. In countries experiencing outbreaks of CHIKV infections, clinicians and neonatologists must be familiar with the possibility of the occurrence of neurologic complications and its possible consequences.
