Cerebellar Cognitive Affective Syndrome in Children With Acute Postinfectious Cerebellar Ataxia

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BACKGROUND: Acute postinfectious cerebellar ataxia is the most common cause of acute ataxia in childhood. One previous case study has suggested that cerebellar cognitive affective syndrome may be comorbid with acute postinfectious cerebellar ataxia, but this was not confirmed by formal assessments.

METHODS: Children aged three to 15 years with a confirmed diagnosis of acute postinfectious cerebellar ataxia were invited to participate. Three patients were included and assessed by a pediatrician, neuropsychologist, and logopedist at the subacute stage (less than 14 days post-onset) and after six months and one year of follow-up.

RESULTS: All three children complied with the diagnostic criteria of cerebellar cognitive affective syndrome. The cognitive and affective symptoms persisted longer than the motor symptoms. Child A (girl, aged three years and eight months) was most severely affected with slow progression of motor cerebellar symptom; the cerebellar cognitive affective symptoms had not entirely remitted at one-year follow-up. Child B (boy, aged four years and four months) had more subtle motor cerebellar symptoms that swiftly remitted within the first week; the cerebellar cognitive affective symptoms were also more subtle. Child C (boy, aged seven years and eleven months) was considerably affected by motor cerebellar symptoms but showed marked improvement within the first month; the cerebellar cognitive affective symptoms had not entirely remitted at one-year follow-up.

CONCLUSION: Cognitive affective cerebellar syndrome may be an overlooked complication of acute postinfectious cerebellar ataxia. The severity of cerebellar cognitive affective symptoms seemed to correspond to the severity of the cerebellar motor symptoms, but the improvement was remarkably slower.

OriginalsprogEngelsk
TidsskriftPediatric Neurology
Vol/bind110
Sider (fra-til)71-79
Antal sider9
ISSN0887-8994
DOI
StatusUdgivet - sep. 2020

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