Long-term EEG in adults: sleep-deprived EEG (SDE), ambulatory EEG (Amb-EEG) and long-term video-EEG recording (LTVER). 2015

V Michel, and L Mazzola, and M Lemesle, and L Vercueil
EFSN, pôle de neurosciences cliniques, CHU de Bordeaux, 33076 Bordeaux cedex, France; IMN, CNRS-UMR 3493, université de Bordeaux, 33076 Bordeaux cedex, France. Electronic address: veronique.michel@chu-bordeaux.fr.

Long-term EEG in adults includes three modalities: sleep deprived-EEG lasting 1 to 3 hours, 24 hours ambulatory-EEG and continuous prolonged video-EEG lasting from several hours to several days. The main indications of long-term EEG are: syndromic classification of epilepsy; search for interictal discharges when epilepsy is suspected or for the purpose of therapeutic evaluation; positive diagnosis of paroxysmal clinical events; and pre-surgical evaluation of drug-resistant epilepsy. Sleep deprived-EEG and ambulatory-EEG are indicated to detect interictal discharges in order to validate a syndromic classification of epilepsy when standard EEG is negative. These exams can help in evaluating treatment efficacy, especially when clinical evaluation is difficult. Long-term video EEG is indicated for drug-resistant epilepsy, to analyze electro-clinical correlations in a pre-surgical evaluation context, and to refine a positive diagnosis when paroxysmal clinical events are frequent.

UI MeSH Term Description Entries
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D004827 Epilepsy A disorder characterized by recurrent episodes of paroxysmal brain dysfunction due to a sudden, disorderly, and excessive neuronal discharge. Epilepsy classification systems are generally based upon: (1) clinical features of the seizure episodes (e.g., motor seizure), (2) etiology (e.g., post-traumatic), (3) anatomic site of seizure origin (e.g., frontal lobe seizure), (4) tendency to spread to other structures in the brain, and (5) temporal patterns (e.g., nocturnal epilepsy). (From Adams et al., Principles of Neurology, 6th ed, p313) Aura,Awakening Epilepsy,Seizure Disorder,Epilepsy, Cryptogenic,Auras,Cryptogenic Epilepsies,Cryptogenic Epilepsy,Epilepsies,Epilepsies, Cryptogenic,Epilepsy, Awakening,Seizure Disorders
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012892 Sleep Deprivation The state of being deprived of sleep under experimental conditions, due to life events, or from a wide variety of pathophysiologic causes such as medication effect, chronic illness, psychiatric illness, or sleep disorder. Inadequate Sleep,Insufficient Sleep,Insufficient Sleep Syndrome,REM Sleep Deprivation,Sleep Debt,Sleep Fragmentation,Sleep Insufficiency,Deprivation, REM Sleep,Deprivation, Sleep,Fragmentation, Sleep,Insufficiencies, Sleep,Insufficiency, Sleep,Insufficient Sleep Syndromes,Sleep Deprivation, REM,Sleep Insufficiencies,Sleep, Inadequate,Sleep, Insufficient,Syndrome, Insufficient Sleep
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014741 Video Recording The storing or preserving of video signals to be played back later via a transmitter or receiver. Audiovisual Recording,Videorecording,Audiovisual Recordings,Recording, Audiovisual,Recording, Video,Recordings, Audiovisual,Recordings, Video,Video Recordings,Videorecordings
D018670 Monitoring, Ambulatory The use of electronic equipment to observe or record physiologic processes while the patient undergoes normal daily activities. Ambulatory Monitoring,Monitoring, Outpatient,Outpatient Monitoring

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