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Neuropediatrics. 2010 Dec;41(6):241-5. doi: 10.1055/s-0030-1270479. Epub 2011 Mar 28.

Absent cyclicity on aEEG within the first 24 h is associated with brain damage in preterm infants.

Author information

1
Department of Pediatrics, Anjo Kosei Hospital, Anjo, Japan. kidokorowu@yahoo.co.jp

Abstract

OBJECTIVE:

Our aim was to clarify the relationship between amplitude-integrated electroencephalographic (aEEG) findings before 24 h of age in preterm infants and neurodevelopmental outcome.

DESIGN:

12 infants born between 27 and 32 weeks of gestation were eligible. The recordings of aEEG and conventional EEG were started within 12 h after birth. The background aEEG findings were evaluated and classified. Additionally, we evaluated the absence or presence of changes on the lower border of the aEEG.

RESULTS:

All infants had discontinuous normal voltage background on aEEG, corresponding to decreased or normal continuity on conventional EEG. Cyclicity on aEEG was seen in 8 of 12 infants within 24 h of age, and all of these infants had favourable outcomes. Cyclicity on aEEG was not recognized in 4 infants. 3 of the 4 infants with absent cyclicity had abnormal neurodevelopmental outcomes at 12 months. One of these infants had intraventricular haemorrhage (grade 2) with delayed development, and 2 had cystic periventricular leukomalacia followed by spastic diplegia.

CONCLUSION:

Absent cyclicity on aEEG within 24 h of age was associated with poor outcome in preterm infants.

PMID:
21445813
DOI:
10.1055/s-0030-1270479
[Indexed for MEDLINE]

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