Hyperventilation-induced focal seizures in adults: think autoimmune encephalitis.
Journal
Annals of clinical and translational neurology
ISSN: 2328-9503
Titre abrégé: Ann Clin Transl Neurol
Pays: United States
ID NLM: 101623278
Informations de publication
Date de publication:
06 2022
06 2022
Historique:
received:
19
04
2022
accepted:
20
04
2022
pubmed:
1
5
2022
medline:
15
6
2022
entrez:
30
4
2022
Statut:
ppublish
Résumé
Case reports have described rare patients with autoimmune encephalitis in whom focal seizures could be reliably provoked by hyperventilation. With the hypothesis that this phenomenon may have diagnostic significance, all cases of hyperventilation-induced focal seizures identified during ~10,000 consecutive routine electroencephalography (EEG) studies were reviewed, and corresponding diagnoses established. Seven EEG recordings, in six patients, contained focal hyperventilation-induced seizures, each of temporal lobe onset. All patients were diagnosed with autoimmune encephalitis, in two cases after EEG; five had voltage-gated potassium channel complex autoantibodies. Although rare, a hyperventilation-induced focal seizure during EEG in an adult should raise concern for autoimmune encephalitis.
Identifiants
pubmed: 35488768
doi: 10.1002/acn3.51566
pmc: PMC9186130
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
877-881Informations de copyright
© 2022 The Authors. Annals of Clinical and Translational Neurology published by Wiley Periodicals LLC on behalf of American Neurological Association.
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