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J Child Neurol. 2004 Jul;19(7):539-40.

Cerebral regional oxygen fluctuations and decline during clinically silent focal electroencephalographic seizures in a neonate.

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Department of Neurology, Miami Children's Hospital, Florida, USA.


We describe a neonate with tuberous sclerosis complex and right frontal cortical dysplasia who underwent simultaneous near-infrared spectroscopy and electroencephalography (EEG) during repetitive clinically silent right frontal EEG seizures. The seizures produced a progressive decline in regional oxygen saturation index and wider regional oxygen saturation index fluctuations in the right hemisphere than in the left hemisphere. We conclude that recurrent clinically silent focal EEG seizures in this neonate were associated with lateralizing near-infrared spectroscopy changes suggestive of relative cerebral hypoxia.

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