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Severe encephalitis associated with disseminated echovirus 22 infection
M Koskiniemi1, R Paetau, K Linnavuori
1Children's Hospital, University of Helsinki, Finland.
Scandinavian Journal of Infectious Diseases
|January 1, 1989
Summary
Disseminated echovirus 22 infection caused severe encephalitis in an infant. Diagnosis involved seroconversion and viral isolation, leading to severe developmental damage and infantile spasms.
Area of Science:
- Virology
- Pediatric Neurology
- Infectious Diseases
Background:
- Echoviruses are known causes of various human illnesses, including central nervous system infections.
- Disseminated infections are rare, particularly in immunocompetent infants.
- Encephalitis presents a significant diagnostic and therapeutic challenge in pediatric populations.
Observation:
- A previously healthy 5-month-old boy presented with severe encephalitis.
- The clinical course was characterized by rapid deterioration and severe neurological damage.
- Infantile spasms developed at 8.5 months of age, indicating profound neurological sequelae.
Findings:
- Echovirus 22 was identified as the causative agent through seroconversion in serum and cerebrospinal fluid.
- Viral isolation from stool samples confirmed disseminated infection.
- The diagnosis was established via serological testing and molecular detection methods.
Implications:
- This case highlights the potential for echovirus 22 to cause severe, disseminated disease and encephalitis in infants.
- Early diagnosis and understanding of echovirus pathogenesis are crucial for managing severe pediatric infections.
- Further research into antiviral therapies and long-term outcomes for echovirus-related neurological damage is warranted.