Die bioelektrisch kontrollierte Krampfbehandlung der endogenen Psychosen in Narkose und Relaxation

Changes in psychiatric symptoms following electroconvulsive therapy (ECT) were related to alterations in global EEG and cerebral blood flow (CBF) in 21 in-patients suffering from depression. They were examined by clinical ratings, EEG, and CBF immediately before and 1 to 3 h after treatments during an ECT series and at follow-up. Four symptom clusters from a factor analysis of symptoms in depression, representing different dimensions of emotion, cognition, and psychomotor retardation, were used for clinical description. The changes in the separate symptom clusters showed different patterns and also different correlations with neurophysiological (EEG and CBF) changes during the course of serial ECT. Furthermore, acute clinical and neurophysiological effects following single ECT's were found to be different from non-acute changes, building up during the treatment course. Acute relief in symptoms of anxiety, depressed mood, and psychomotor retardation correlated with an acute slowing of the EEG. Regarding non-acute effects a reversed relationship was found, i.e. improvement in symptoms of depressed mood and psychomotor retardation was related to less EEG slowing. As opposed to the acute clinical changes, the non-acute changes, found following the first two or three treatments of a series, contained predictive information about the individual clinical outcome of the patients.

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Changes in psychiatric symptoms related to EEG and cerebral blood flow following electroconvulsive therapy in depression

Silfverskiöld

Rosén

Risberg

et al. 1987

Eur Arch Psychiatr Neurol Sci

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Effects of electroconvulsive therapy on EEG and cerebral blood flow in depression

Silfverskiöld

Rosén

Risberg

1987

Eur Arch Psychiatr Neurol Sci

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Changes in global EEG and global cerebral blood flow (CBF) and their relationship following electroconvulsive therapy (ECT) were studied in 21 depressed in-patients, examined before and after treatment during an ECT series and at follow-up. Two patterns of ECT action could be discerned: acute changes related to single ECT's. The effects on CBF were more marked at the beginning of the ECT series, while the EEG slowing became more pronounced towards the end; non-acute accumulating ECT effects which were insignificant for CBF, whereas the EEG slowing increased progressively during the ECT series. Thus acute and non-acute effects of ECT on EEG and CBF follow different patterns indicating independent seizure effects. They showed a different time course and few correlations were found, suggesting that CBF is more linked to cortical changes while EEG is probably more related to activity in deeper, subcortical structures.

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Psychosis in epilepsy patients and other chronic medically ill patients and the role of cerebral pathology in the onset of psychosis: A clinical epidemiological study

Feltz-Cornelis

Aldenkamp

Adèr

et al. 2008

Seizure

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This finding suggests that in the onset of psychosis in epilepsy patients, the role of cerebral pathology, especially localized left temporal and frontal, is of strong etiological importance. The following epilepsy endophenotypes should be explored as factors in vulnerability for psychosis as well: frequent and severe epileptic activity; and psychotic reactions to certain AEDs, such as Topiramate and Lamotrigine. Burden of disease does not seem to play an important role.

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Die bioelektrisch kontrollierte Krampfbehandlung der endogenen Psychosen in Narkose und Relaxation

Cited by 4 publications

References 18 publications

Changes in psychiatric symptoms related to EEG and cerebral blood flow following electroconvulsive therapy in depression

Changes in psychiatric symptoms related to EEG and cerebral blood flow following electroconvulsive therapy in depression

Effects of electroconvulsive therapy on EEG and cerebral blood flow in depression

Psychosis in epilepsy patients and other chronic medically ill patients and the role of cerebral pathology in the onset of psychosis: A clinical epidemiological study

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