Electroencephalographic arousal pattern in severe alcohol poisoning

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Parameters dynamics of brain bioelectric activity of 50 patients in alcoholic coma are  considered. Patients underwent continuous EEG monitoring from the end of the basic resuscitation to the apparent recovery of consciousness (awakening). The average registration time was 4.5 hours. EEG was recorded in standard derivations using the 10–20 system. The amplitude-frequency indices of spontaneous activity and reactivity are analyzed. Electroencephalographic correlates of cerebral insufficiency in comatose states are distinguished by pronounced polymorphism and high individual variability. Considering these features, “dynamic” parameters should be used as prognostic criteria: spontaneity and variability of the pattern, reactivity during stimulation. The increase in the frequency of bioelectric activity, desynchronization with external stimuli may indicate the beginning of the process of recovery of consciousness. Electrophysiological criteria for awakening, developed in this work on the example of alcoholic coma, can be mostly applicable to unconscious states caused by other etiological factors: trauma, hypoxia, vascular failure.

作者简介

Mikhail Aleksandrov

Russian Neurosurgery Research Institute named after prof. A.L. Polenov (branch of the Almazov National Medical Research Center); Institute of toxicology of Federal Medical-Biological Agency

Email: mdoktor@yandex.ru
俄罗斯联邦, St.Petersburg

Ekaterina Povalyukhina

Russian Neurosurgery Research Institute named after prof. A.L. Polenov (branch of the Almazov National Medical Research Center); Dzhanelidze Research Institute of Emergency Medicine

Email: mdoktor@yandex.ru
俄罗斯联邦, St.Petersburg

Tatyana Alexandrova

Dzhanelidze Research Institute of Emergency Medicine

Email: tata-al@yandex.ru
俄罗斯联邦, St.Petersburg

Lev Ivanov

Moscow City Clinical Hospital № 9 of G.N. Speransky

Email: mdoktor@yandex.ru
俄罗斯联邦, Moscow

Valery Chernyi

Military Medical Academy named after S.M. Kirov

编辑信件的主要联系方式.
Email: 9297911@list.ru
俄罗斯联邦, St.Petersburg

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