Electroencephalography (EEG) recording techniques and artifact detection in early premature babies

EEG recording techniques in early premature babies are not very different from those used for full-term neonates. Here, we emphasise the most important points: asepsis precautions, full knowledge of the clinical data and drug therapies, the fundamental role of a well-trained technician in supervisin...

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Bibliographic Details
Published in:Neurophysiologie clinique 2007-06, Vol.37 (3), p.149-161
Main Authors: Wallois, F, Vecchierini, M-F, Héberlé, C, Walls-Esquivel, E
Format: Article
Language:fre
Subjects:
Brain - physiology
Data Interpretation, Statistical
Electrocardiography
Electrodes
Electroencephalography - methods
Electroencephalography - statistics & numerical data
Electromyography
Humans
Infant, Newborn
Infant, Premature - physiology
Movement - physiology
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Summary:EEG recording techniques in early premature babies are not very different from those used for full-term neonates. Here, we emphasise the most important points: asepsis precautions, full knowledge of the clinical data and drug therapies, the fundamental role of a well-trained technician in supervising the EEG recording and monitoring the baby. The best electrode positions, the most informative montages and their standardisation between neurophysiological laboratories, are suggested. Artifact detection constitutes an important aspect of EEG signal analysis in preterm babies of less than 30 weeks. It is obviously necessary to discriminate between meaningful information and artefacts. The complexity of the signal in neonates makes artifact detection difficult. We present some characteristic features and describe some methods for eliminating them. We underline the positive aspect of some artifacts and their clinical use. We emphasise the crucial role of the technicians.
ISSN:0987-7053
DOI:10.1016/j.neucli.2007.07.001