Revue d'électroencéphalographie et de neurophysiologie clinique
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Rev Electroencephalogr Neurophysiol Clin · Sep 1985
[Comparative study of the nociceptive reflex and late components of the evoked somatosensory potential during stimulation of the sural nerve in healthy subjects].
A study was carried out with 10 normal volunteers in order to find a correlation between nociceptive flexion reflexes from the biceps femoris muscle and the amplitude of the late component (N150-P220) of the vertex evoked potential elicited by sural nerve stimulations at various intensities randomly delivered. The range of stimulus varied from the perception threshold (usually 1 mA) to 2 times the reflex threshold. ⋯ No significant correlation was found between the recruitment curve of the nociceptive reflex and that of the late component of the evoked potential as a function of stimulus intensity. Functional implications of these data are discussed.
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Rev Electroencephalogr Neurophysiol Clin · Apr 1985
[Value of cassette-recorded long-term 8-channel EEG monitoring in status epilepticus--technical note].
Prolonged EEG-taped recording is a significant recent improvement in technique, with the 8 channels providing the possibility of exploration of the whole scalp. First used for ambulatory monitoring, it was also tested in comatose patients with status epilepticus. The advantages are: the the good quality of the EEGs even after recording continuously for many days, and without drawback for intensive nursing; the help in recognizing infraclinical seizures, often misunderstood by the nursing staff, and the control of treatment; the participation in prospective chronobiological studies.
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Rev Electroencephalogr Neurophysiol Clin · Apr 1985
[Treatment of status epilepticus in the adult. Retrospective analysis of 192 cases treated in intensive care units].
The results of therapy have been analyzed in a series of 192 patients admitted for status epilepticus over 7 years in two intensive care units. Most (142 cases without any prior epilepsy) corresponded to secondary forms. In 2/3 of the cases, the patients were admitted because of failure of benzodiazepines and/or phenobarbitone. ⋯ Chlormethiazole often succeeds in controlling convulsive status which has proved refractory to other treatment. Supportive management is mandatory: 52% of patients required respiratory assistance. Fatalities (36%) exclusively correspond to the underlying cerebral conditions and systemic disorders.
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Rev Electroencephalogr Neurophysiol Clin · Jul 1979
[Assisted ventilation of newborn infants during sleep. Study of factors modifying adaptation to ventilation].
During sleep, of ventilated newborns and young infants, spontaneous respiratory movements may occur, unrelated to the ventilation impulsions. The respiratory pattern is then classified as "active". On the contrary, the respiratory pattern is classified as "passive", when all respiratory movements are related to the ventilation insufflation. ⋯ A rapid rate of ventilation (superior to 30/minute) is rarely related to an active respiration; a slow rate of ventilation seems favor this respiratory pattern. It is clear that adaptation to artificial ventilation is better during quiet sleep than during active sleep. Some physiopathological considerations are developed.