Cerebral impedance and neurological outcome following a mild or severe hypoxic/ischemic episode in neonatal piglets

Multi-frequency bio-impedance has the potential to identify infants at risk of poor neurodevelopmental outcome following hypoxia by detecting cerebral edema. This study investigated the relationship between the severity of an hypoxic/ischemic episode, neurological outcome following the hypoxia and n...

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Bibliographic Details
Published in:Brain research 2003-04, Vol.969 (1), p.160-167
Main Authors: Lingwood, Barbara E., Dunster, Kimble R., Healy, Genevieve N., Ward, Leigh C., Colditz, Paul B.
Format: Article
Language:English
Subjects:
Animals
Animals, Newborn
Biological and medical sciences
Body Composition
Brain edema
Brain Edema - etiology
Electric Impedance
Electrodiagnosis - methods
Electroencephalography
Hypoxia
Hypoxia-Ischemia, Brain - complications
Hypoxia-Ischemia, Brain - diagnosis
Hypoxia-Ischemia, Brain - physiopathology
Medical sciences
Neurological outcome
Neurology
Piglet
Swine
Telencephalon - pathology
Vascular diseases and vascular malformations of the nervous system
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Summary:Multi-frequency bio-impedance has the potential to identify infants at risk of poor neurodevelopmental outcome following hypoxia by detecting cerebral edema. This study investigated the relationship between the severity of an hypoxic/ischemic episode, neurological outcome following the hypoxia and non-invasively measured cerebral bioelectrical impedance in piglets. One-day-old piglets were anaesthetised and ventilated. Hypoxia was induced by reducing the inspired oxygen concentration to 3–5%. Severe hypoxia was defined as hypoxia resulting in at least 30 min of low amplitude EEG (
ISSN:0006-8993
1872-6240
DOI:10.1016/S0006-8993(03)02295-9