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Predicting outcome in term neonates with hypoxic-ischaemic encephalopathy using simplified MR criteria

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An Erratum to this article was published on 03 January 2007

Abstract

Background: MRI is an established investigation in the evaluation of neonates with suspected hypoxic-ischaemic encephalopathy (HIE). However, its role as a predictor of neurodevelopmental outcome remains complex. Objective: To establish reproducible simplified MR criteria and evaluate their role in predicting neurodevelopmental outcome in term neonates with HIE. Materials and methods: Term neonates with suspected HIE had MRI at 7–10 days of age. MR scans were interpreted according to new simplified criteria by two radiologists blinded to the clinical course and outcome. The new simplified criteria allocated grade 1 to cases with no central and less than 10% peripheral change, grade 2 to those with less than 30% central and/or 10–30% peripheral area change, and grade 3 to those with more than 30% central or peripheral change. MRI changes were compared with clinical neurodevelopmental outcome evaluated prospectively at 1 year of age. Neurodevelopmental outcome was based upon the DQ score (revised Griffith's) and cerebral palsy on neurological assessment. Results: Of 20 subjects, all those showing severe (grade 3) MR changes (35%) died or had poor neurodevelopmental outcome. Subjects with a normal MR scan or with scans showing only mild (grade 1) MR changes (55%) had normal outcomes. One subject showing moderate (grade 2) changes on MRI had a moderate outcome (5%), while another had an atypical pattern of MR changes with a normal outcome (5%). Conclusions: Assessment of full-term neonates with suspected HIE using the simplified MR criteria is highly predictive of neurodevelopmental outcome.

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Acknowledgements

We thank Dr. Elizabeth Hurion of NICU of Canberra Hospital for providing clinical data for this study and Diane Lane of the MRI unit of Canberra Hospital for technical support.

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Correspondence to Rajeev Jyoti.

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An erratum to this article can be found at http://dx.doi.org/10.1007/s00247-006-0386-9

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Jyoti, R., O'Neil, R. Predicting outcome in term neonates with hypoxic-ischaemic encephalopathy using simplified MR criteria. Pediatr Radiol 36, 38–42 (2006). https://doi.org/10.1007/s00247-005-0024-y

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  • DOI: https://doi.org/10.1007/s00247-005-0024-y

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