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Neonatal Hypoglycemia and Neurodevelopmental Outcomes-An Updated Systematic Review and Meta-Analysis
Shivashankar Diggikar1, Paula Trif2,3, Diana Mudura2
1Department of Pediatrics, Oyster Women and Child Hospital, Bengaluru 560043, India.
Life (Basel, Switzerland)
|January 8, 2025
Summary
Neonatal hypoglycemia is linked to long-term neurodevelopmental problems, including cognitive and visual-motor impairments. Low blood glucose levels in newborns increase the risk of these adverse outcomes.
Area of Science:
- Neonatalogy
- Neuroscience
- Developmental Pediatrics
Background:
- Neonatal hypoglycemia poses risks to brain development and neurological outcomes.
- Existing evidence highlights the need for updated analyses on its long-term effects.
Purpose of the Study:
- To conduct an updated meta-analysis on neonatal hypoglycemia and its association with neurodevelopmental outcomes.
- To investigate the impact of hypoglycemia severity on long-term neurological function.
Main Methods:
- Systematic literature search across major databases (PubMed, CINAHL, Embase, CENTRAL) until March 2024.
- Inclusion of randomized/quasi-randomized trials and observational studies.
- Random-effects model meta-analysis to pool outcomes like neurodevelopmental impairment (NDI), cognitive, and visual-motor impairments.
Main Results:
- Significant associations found between neonatal hypoglycemia and higher rates of NDI in early and mid-childhood.
- Increased incidence of cognitive impairment, visual-motor impairment, and executive dysfunction in hypoglycemic infants.
- Evidence quality was generally low to very low; NDI was more common with blood glucose levels between 20-34 mg/dL.
Conclusions:
- Low-quality evidence suggests a link between early neonatal hypoglycemia and long-term neurodevelopmental issues.
- Further high-quality studies with extended follow-up are crucial to confirm findings and establish precise glucose thresholds.
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