4 Additionally, the importance of cyclicity has been underscored by aEEG users because its presence or absence in term asphyxiated infants has a prognostic value that is independent of that of the background classification. Term-born infants sleep for ∼16 h each day, 3 and their patterns of wakefulness do not appear to be as frequent as the 20- to 30-min cycling observed on the aEEG. However, SWC is a biological term that refers to a pattern of alternating sleeping and waking states. 2 During evaluation of compressed aEEG tracings, clinicians and researchers often use the term ‘sleep–wake cycling’ (SWC) to describe the periodical change in the pattern of aEEG neonatal recording ( Figure 1). 1 aEEG can evaluate background cerebral activity, detect electroencephalographic seizure activity, assist in predicting outcomes and aid in the selection of infants for neuroprotective strategies.
Amplitude-integrated electroencephalography (aEEG) monitoring is increasingly utilized in monitoring the brains of newborns.
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