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Updated: Jun 10, 2025
Early Pathological and Magnetic Resonance Detection of Cerebral Injury Using a Rat Model of Neonatal Hypoxic Ischemic Encephalopathy
Published on: October 28, 2022
Individualized Neuroprognostication in Neonates With Hypoxic-Ischemic Encephalopathy Treated With Hypothermia
Andrea Van Steenis1, Mehmet N Cizmeci1, Floris Groenendaal1
1Willem-Alexander Children's Hospital (AVS, LSV, SJS), Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, the Netherlands; Department of Pediatrics (MNC), Division of Neonatology, The Hospital for Sick Children, University of Toronto, Ontario, Canada; Department of Neonatology (FG), University Medical Center Utrecht and Utrecht University, Netherlands; Division of Neonatal Neuroscience (MT, FMC), Translational Health Sciences, Bristol Medical School, University of Bristol; and Department of Pediatrics and Neonatal Medicine (FMC), Imperial College, London, United Kingdom.
Post-rewarming brain MRI accurately predicts neurodevelopmental outcomes in infants treated for hypoxic-ischemic encephalopathy (HIE). This imaging method enables individualized prognostication for conditions like cerebral palsy and cognitive delay.
Area of Science:
- Neonatal Neurology
- Pediatric Neuroimaging
- Neurodevelopmental Pediatrics
Background:
- Hypoxic-ischemic encephalopathy (HIE) is a major cause of neonatal brain injury.
- Hypothermia is a standard treatment for moderate-to-severe HIE.
- Predicting long-term neurodevelopmental outcomes in these infants remains challenging.
Purpose of the Study:
- To assess the utility of post-rewarming brain MRI for predicting individualized, domain-specific neurodevelopmental outcomes at 2 years of age.
- To evaluate the accuracy and reliability of MRI-based prognostication in infants treated with hypothermia for HIE.
Main Methods:
- Retrospective multicenter study of infants with moderate-to-severe HIE treated with hypothermia.
- Independent scoring of brain MRI abnormalities and 2-year neurodevelopmental outcomes by two investigators.
- Categorization of neuroimaging patterns (normal, WM/watershed, DGM, near-total injury) and outcome prediction (highly unlikely to highly likely) for mortality, CP, cognitive delay, epilepsy, CVI, and feeding difficulties.
Main Results:
- Neuroimaging patterns reliably predicted outcomes: 90% of infants with highly likely CP prediction developed CP, while none in the highly unlikely category did.
- Cognitive delay was accurately predicted, with 100% developing delay when predicted as highly likely.
- High accuracy was observed for predicting epilepsy (98%), CVI (100%), and feeding problems (97%) as highly unlikely.
Conclusions:
- Post-rewarming brain MRI provides a feasible, reliable, and highly accurate method for individualized, domain-specific neuroprognostication in infants with HIE.
- MRI-based prognostication can guide clinical management and family counseling regarding neurodevelopmental trajectories.
