Intracranial electroencephalographic changes in deep anesthesia

  title={Intracranial electroencephalographic changes in deep anesthesia},
  author={Hideharu Karasawa and Koji Sakaida and Satoshi Noguchi and Kazumi Hatayama and Hiromichi Naito and Nobuo Hirota and K. Sugiyama and Junji Ueno and Hiroshi Nakajima and Yusaku Fukada and Hiroshi Kin},
  journal={Clinical Neurophysiology},

Effect of Propofol on Brain Electrical Activity in Cat Motor Cortex

Propofol can cause reversible changes in the motor cortex of cat and the recovery time of field potential was less than the time of action potential, which indicates that field potential changes over time are reversible.

Permutation entropy in intraoperative ECoG of brain tumour patients in awake tumour surgery– a robust parameter to separate consciousness from unconsciousness

ECoG and a consecutive analysis of PeEn are feasible and suitable for the continuous surveillance of patients during awake craniotomies, and the analysis is not influenced by patients’ clinical characteristics.

Cerebral cortical effects of desflurane in sheep: comparison with isoflurane, sevoflurane and enflurane

In this study, the propensity of desflurane to induce cortical spikes is investigated and made a direct objective comparison with enfluranes, isoflurane, and sevofl Lurane.

Monitoring approaches in general anesthesia: a survey.

An overview of recent developments in the field of general anesthesia monitoring is given, showing that there is no one universal monitor applicable to all general anesthesia--each has its own characteristics and might be useful in particular clinical situations.


It is not ethical to decide to suspend medical treatment when it is known that there is a possibility of recovery of the structural anatomy and function, and it is morally obliged to maintain qualified medical attention.

Estado vegetativo persistente. Paradigma de discusiÓn actual sobre alteraciones de la conciencia

It is not ethical to decide to suspend medical treatment when it is known that there is a possibility of recovery of the structural anatomy and function, but it is morally obliged to maintain qualified medical attention.

Medical Management of Brain-Dead Organ Donors

This review discusses how to identify brain-dead donors and describes the physiological changes that occur following brain death, and proposes recommendations for a treatment protocol to be developed in the future.

The humane collection of fetal bovine serum and possibilities for serum-free cell and tissue culture.



Generation of scalp discharges in temporal lobe epilepsy as suggested by intraoperative electrocorticographic recordings

It seems that, in temporal lobe epilepsy, scalp discharges originate from widespread ECoG discharges and tend to produce a stereotyped pattern on the scalp with largest amplitudes at the anterior temporal electrodes.

The Electroencephalogram in Man Anesthetized with Forane

Forane-induced EEG changes can be distinguished from those seen with other anesthetics by the maintenance of high-frequency activity at any level where EEG activity is present, and depth of anesthesia can be monitored with the EEG.

A Comparison of EEG Seizure Patterns Recorded with Surface and Depth Electrodes in Patients with Temporal Lobe Epilepsy

Electro EEG seizure activity was found to be less likely to propagate to the surface for those records that were either unaccompanied by behavior changes or accompanied only by auras than forThose records accompanied by clinical seizures.

Electroencephalographic Burst Suppression in Elderly and Young Patients Anesthetized with Isoflurane

In elderly patients the EEG had both a greater proportion of total time in electrical silence and a greater number of isoelectric periods than in younger patients, demonstrating a discrete alteration with age in the central nervous system sensitivity to isoflurane.

Combined depth and subdural electrode investigation in uncontrolled epilepsy

Variable or simultaneous unilateral neocortical versus hippocampal temporal lobe seizure onset, determined by the combined study, was significantly correlated with less favorable seizure control after anteromedial temporal lobectomy and hippocampectomy.

Depth electrode recording in patients undergoing corpus callosotomy for intractable epilepsy.

6 patients undergoing anterior corpus callosotomy for intractable epilepsy have been studied with depth electroencephalography (EEG) to confirm the ability of depth EEG to demonstrate and identify lateralized, focal and often multifocal disturbances.

Intracranial EEG Substrates of Scalp Ictal Patterns from Temporal Lobe Foci

Summary: Purpose: To determine the intracranial EEG features responsible for producing the various ictal scalp rhythms, which we previously identified in a new EEG classification for temporal lobe

Isoflurane: a review.