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Sinkin M.V.

Sklifosovsky Research Institute for Emergency Care

Kaimovsky I.L.

Evdokimov Moscow State University of Medical Dentistry;
Buyanov City Clinical Hospital

Komoltsev I.G.

Buyanov City Clinical Hospital;
Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department

Trifonov I.S.

Evdokimov Moscow State University of Medical Dentistry

Shtekleyn A.A.

Peoples’ Friendship University of Russia

Tsygankova M.E.

Federal Center of Brain and Neurotechnology of the Federal Biomedical Agency

Guekht A.B.

Moscow Research and Clinical Centre for Neuropsychiatry;
Pirogov Russian National Research Medical University

Electroencephalography in acute stroke

Authors:

Sinkin M.V., Kaimovsky I.L., Komoltsev I.G., Trifonov I.S., Shtekleyn A.A., Tsygankova M.E., Guekht A.B.

More about the authors

Journal: S.S. Korsakov Journal of Neurology and Psychiatry. 2020;120(8‑2): 10‑16

DOI: 10.17116/jnevro202012008210

Read: 5271 times

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Table of contents

ELECTROENCEPHALOGRAPHY IN ACUTE STROKE
ELECTROENCEPHALOGRAPHY IN ACUTE STROKE

To cite this article:

Sinkin MV, Kaimovsky IL, Komoltsev IG, Trifonov IS, Shtekleyn AA, Tsygankova ME, Guekht AB. Electroencephalography in acute stroke. S.S. Korsakov Journal of Neurology and Psychiatry. 2020;120(8‑2):10‑16. (In Russ.)
https://doi.org/10.17116/jnevro202012008210

Подписка 2026 Журнал неврологии и психиатрии им. С.С. Корсакова. Спецвыпуски (S.S. Korsakov Journal of Neurology and Psychiatry (special issues))
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Использование инфографики авторами научных работ
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Abstract:

OBJECTIVE

To determine the incidence of non-convulsive status epilepticus, epileptiform activity, rhythmic and periodic patterns in patients with acute stroke.

MATERIAL AND METHOD

An analysis of electroencephalography (EEG) in 86 stroke patients in the neurointensive care unit of the tertiary medical center was performed. Criteria for starting EEG recording were epileptic seizures or clinical suspicion of uncontrolled epileptic status. The ictal-interictal continuum biomarkers and the diagnostic value of EEG for prediction of survival and recovery were assessed.

RESULTS

Pathological changes on EEG were recorded in 84% of patients. These patients showed the absence of the dominant occipital rhythm (66%) and hemispheric slowing (42%). Diffuse slowing below the theta range was observed in 41% of patients. EEG reactivity was absent in 20%. Sporadic epileptiform discharges were recorded in 36% of patients and rhythmic and periodic patterns in 26%. Reliable predictors of the unfavorable outcome were the absence of dominant occipital rhythm, lack of reactivity, and low amplitude of the background EEG. No association between the recording of epileptiform activity and the probability of death was shown.

CONCLUSION

The most useful EEG biomarkers for predicting survival are amplitude, dominant frequency of background EEG activity and reactivity to external stimulus. Sporadic epileptiform discharges, rhythmic, and periodic patterns are not mandatory associated with a negative prognosis in stroke patients.

Keywords:

stroke
intracranial hemorrhage
ischemic stroke
electroencephalography
EEG monitoring
electrographic epileptic seizures

Authors:

Sinkin M.V.

Sklifosovsky Research Institute for Emergency Care

Kaimovsky I.L.

Evdokimov Moscow State University of Medical Dentistry;
Buyanov City Clinical Hospital

Komoltsev I.G.

Buyanov City Clinical Hospital;
Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department

Trifonov I.S.

Evdokimov Moscow State University of Medical Dentistry

Shtekleyn A.A.

Peoples’ Friendship University of Russia

Tsygankova M.E.

Federal Center of Brain and Neurotechnology of the Federal Biomedical Agency

Guekht A.B.

Moscow Research and Clinical Centre for Neuropsychiatry;
Pirogov Russian National Research Medical University

Received:

27.04.2020

Accepted:

04.06.2020

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