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Catatonic features in children and adolescents with N-methyl- d -aspartate receptor antibody encephalitis

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Michael Eyre, Anya Kaushik, Elizabeth Barrett, Mary D. King, Thomas Pollak, Russell C. Dale, Susan Byrne, Ming Lim

Original languageEnglish
Article numbere71
JournalBJPsych Open
Volume6
Issue number4
DOIs
Published2020

King's Authors

Abstract

Catatonia is a psychomotor dysregulation syndrome of diverse aetiology, increasingly recognised as a prominent feature of N-methyl-d-aspartate receptor antibody encephalitis (NMDARE) in adults. No study to date has systematically assessed the prevalence and symptomatology of catatonia in children with NMDARE. We analysed 57 paediatric patients with NMDARE from the literature using the Bush-Francis Catatonia Rating Scale. Catatonia was common (occurring in 86% of patients), manifesting as complex clusters of positive and negative features within individual patients. It was both underrecognised and undertreated. Immunotherapy was the only effective intervention, highlighting the importance of prompt recognition and treatment of the underlying cause of catatonia.

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