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Neurological and Cognitive Performance After Childhood Encephalitis.
Heidi Pöyhönen1,2, Sirkku Setänen1,2,3, Nea Isaksson1
1Department of Pediatric Neurology, Turku University Hospital, Turku, Finland.
Childhood encephalitis often leads to long-term neurological issues. This study found high rates of minor neurological dysfunction (MND) and lower cognitive performance in children post-encephalitis, with younger age a risk factor.
Area of Science:
- Pediatric Neurology
- Neuroscience
- Childhood Encephalitis Research
Background:
- Children with encephalitis face a significant risk of long-term neurological sequelae.
- Minor neurological dysfunction (MND) and cognitive performance are key indicators for assessing long-term outcomes in childhood encephalitis.
Purpose of the Study:
- To investigate the prevalence of MND and cognitive performance in children following encephalitis.
- To identify risk factors associated with long-term neurological outcomes in childhood encephalitis survivors.
Main Methods:
- Retrospective analysis of 98 children treated for encephalitis (1995-2016).
- MND assessed via Touwen examination; cognitive function measured by Wechsler Intelligence Scale (IQ).
- Residual symptoms evaluated using a questionnaire.
Main Results:
- 71% of participants (29/41) exhibited MND.
- MND was associated with significantly lower full-scale IQ (98 vs. 110).
- Younger age at encephalitis onset correlated with lower IQ (<85).
- Daily performance issues were linked to MND and low IQ.
Conclusions:
- High prevalence of MND observed in childhood encephalitis survivors.
- MND is linked to diminished cognitive performance.
- Early age of encephalitis onset is a risk factor for poorer cognitive outcomes.
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