The antioxidant defense system is involved in the pathogenesis of neonatal hypoxic-ischemic encephalopathy (HIE). To analyze the relationship between first serum blood glucose levels and outcomes in neonatal HIE, seventy-four patients were divided, based on the first glucose level, into group 1 (>0 mg/dL and <60 mg/dL, =11), group 2 (≥60 mg/dL and <150 mg/dL, = 49), and group 3 (≥150 mg/dL, = 14). Abnormal glucose levels had poor outcomes among three groups in terms of the clinical stage 0.001), brain parenchymal lesion = 0.004), and neurodevelopmental outcomes = 0.029). Hearing impairment was more common in group 3 than in group 1 ( = 0.062) and group 2 ( = 0.010). The MRI findings of group 3 exhibited more thalamus and basal ganglion lesions than those of group 1 = 0.012). The glucose level was significantly correlated with clinical staging ( 0.001), parenchymal brain lesions ( = 0.044), hearing impairment ( = 0.003), and neurodevelopmental outcomes ( = 0.005) by Pearson's test. The first blood glucose level in neonatal HIE is an important biomarker for clinical staging, MRI findings, as well as hearing and neurodevelopment outcomes. Hyperglycemic patients had a higher odds ratio for thalamus, basal ganglia, and brain stem lesions than hypoglycemic patients with white matter and focal ischemic injury. Hyperglycemia can be due to prolonged or intermittent hypoxia and can be associated with poor outcomes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8773159PMC
http://dx.doi.org/10.3390/antiox11010039DOI Listing

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