Journal
PEDIATRIC NEUROLOGY
Volume 44, Issue 5, Pages 364-369Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.pediatrneurol.2010.11.018
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Funding
- National Center for Research Resources (NCRR, NIH) [KL2RR024983, UL1 RR024982]
- National Institutes of Health [1 K23 NS43185, RR20146, 1 R01 NS060674]
- [1UL1RR029884]
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The objectives of this prospective cohort study were to identify amplitude-integrated electroencephalography (aEEG) background patterns predictive of severe intracranial hemorrhage. Thirty ventilated preterm newborns weighing <1,000 g were assessed by an aEEG cerebral function monitor and ultrasound measurement of cerebral blood flow velocity at time of surfactant administration and tracheal suctioning simultaneously during first 48 hours of life. Birth weight was 624 +/- 200 g (mean +/- S.D.) and gestational age was 25 +/- 2 weeks. Background electrical activity was predominantly discontinuous in 72% of infants. A sharp increase in electrical activity/burst density was observed during surfactant administration and tracheal suctioning in most infants, with a 33.5% increase in mean cerebral blood flow velocity. Burst suppression with low voltage was identified in 57% infants with severe intracranial hemorrhage, whereas no infant without hemorrhage exhibited this pattern (P = 0.014). We conclude that aEEG lowvoltage burst suppression might have useful clinical applications with 100% positive predictive value for severe intracranial hemorrhage. (C) 2011 Elsevier Inc. All rights reserved.
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