Cited by 45Neonatal and fetal brain pathologyInfant Development and Preterm CareNeonatal Health and Biochemistry

Hypoglycemia in infants with hypoxic-ischemic encephalopathy is associated with additional brain injury and worse neurodevelopmental outcome

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Parmentier, Corline E.J., de Vries, Linda S., van der Aa, Niek E., Eijsermans, Maria J.C., Harteman, Johanneke C., Lequin, Maarten H., Swanenburg de Veye, Henriette F.N., Koopman-Esseboom, Corine +1 more·2022·The Journal of Pediatrics

Abstract

OBJECTIVE: To determine the incidence of hypoglycemia among infants with hypoxic-ischemic encephalopathy (HIE) who received therapeutic hypothermia, and to assess whether infants with hypoglycemia had more brain injury on magnetic resonance imaging (MRI) or differences in neurodevelopmental outcome. STUDY DESIGN: Single-center, retrospective cohort study including infants cooled for HIE. Hypoglycemia (blood glucose <36.0 mg/dL <2 hours and <46.8 mg/dL ≥2 hours after birth) was analyzed in the period before brain MRI. Brain injury was graded using a validated score. Motor and neurocognitive outcomes were assessed at 2 years for all survivors, and 5.5 years for a subset who had reached this age. RESULTS: Of 223 infants analyzed, 79 (35.4%) had hypoglycemia. MRI was performed in 187 infants. Infants with hypoglycemia (n = 65) had higher brain injury scores (P = .018). After adjustment for HIE severity, hypoglycemia remained associated with higher injury scores (3.6 points higher; 95% CI, 0.8-6.4). Hyperglycemia did not affect MRI scores. In survivors at 2 years (n = 154) and 5.5 years (n = 102), a univariable analysis showed lower 2-year motor scores and lower motor and cognitive scores at preschool age in infants with hypoglycemia. After adjustment for HIE severity, infants with hypoglycemia had 9 points lower IQs (P = .023) and higher odds of adverse outcomes at preschool age (3.6; 95% CI, 1.4-9.0). CONCLUSIONS: More than one-third of infants cooled for HIE had hypoglycemia. These infants had a higher degree of brain injury on MRI and lower cognitive function at preschool age. Strategies to avoid hypoglycemia should be optimized in this setting.

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Authors
Parmentier, C. E. J., de Vries, L. S., van der Aa, N. E., Eijsermans, M. J. C., Harteman, J. C., Lequin, M. H., Swanenburg de Veye, H. F. N., Koopman-Esseboom, C., & Groenendaal, F.
Affiliations
Utrecht University (NL)
Corresponding author
Groenendaal, Floris
Venue
The Journal of Pediatrics
Publisher
Elsevier BV
Published
2022-06
Volume
245
Pages
30-38.e1
ISSN
0022-3476 (ISSN-L)
OpenAlex
W4210424482
Cited by
45
References
46
Citations by year
2026: 6 · 2025: 13 · 2024: 12 · 2023: 11 · 2022: 3
FWCI
10.69
Type
journal article
Language
en
Open access
Locations
  • The Journal of Pediatrics (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal and fetal brain pathology
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Infant Development and Preterm Care
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Neonatal Health and Biochemistry
Keywords
hypoglycemia, hypoxic-ischemic encephalopathy, neonatal hypothermia, therapeutic hypothermia, brain injury, neurodevelopmental outcomes, hyperglycemia, neuropsychological outcomes, motor outcome, blood glucose, brain MRI
MeSH terms
Brain Injuries, Child, Preschool, Humans, Hypoglycemia, Hypothermia, Induced, Infant, Magnetic Resonance Imaging, Retrospective Studies, Hypoxia-Ischemia, Brain

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