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Hypoglycemia in small-for-gestational-age neonates'
O Karahasanoğlu1, G Karatekin, R Köse
1Pediatric Clinics, Sişli Etfal Hospital, Istanbul.
Insights
Hypoglycemia screening in small-for-gestational-age (SGA) neonates is crucial. This study found SGA infants have higher hypoglycemia rates, recommending continued screening for 48 hours postnatally.
Area of Science:
- Neonatal Medicine
- Pediatric Endocrinology
- Clinical Chemistry
Background:
- Neonatal hypoglycemia is a common concern, particularly in small-for-gestational-age (SGA) infants.
- Early detection and management are vital to prevent adverse neurodevelopmental outcomes.
Purpose of the Study:
- To determine the frequency of hypoglycemia in SGA neonates.
- To establish optimal screening intervals for hypoglycemia in this population.
Main Methods:
- Prospective study involving 25 SGA and 16 appropriate-for-gestational-age (AGA) neonates born after 37 weeks gestation.
- Blood glucose levels measured using test-strips at 2, 3, 6, 12, 24, and 48 hours of age.
- Serum glucose confirmation for values below 40 mg/dl.
Main Results:
- SGA neonates exhibited a significantly higher frequency of hypoglycemia compared to AGA neonates (p:0.097).
- Hypoglycemia was most frequently detected within the first three hours, at the sixth hour, and at 48 hours postnatally.
- Clinical signs were unreliable indicators of hypoglycemia.
Conclusions:
- Hypoglycemia screening in SGA neonates should extend up to 48 hours postnatally.
- Routine monitoring is essential, as clinical signs alone are insufficient for diagnosis.
- This supports evidence-based guidelines for neonatal hypoglycemia management.
Abstract:
In this prospective study, we investigated the frequency of hypoglycemia and the proper intervals for screening in small-for-gestational-age (SGA) neonates. We determined test-strip blood glucose values at two, three, six, 12, 24 and 48 hours of age in 25 SGA and 16 appropriate-for-gestational-age (AGA) infants who were born after 37 completed gestational weeks at the Obstetrics Clinics of Sişli Etfal Hospital. Serum glucose determination was immediately done if a test-strip value was less than 40 mg/dl. The frequency of hypoglycemia in SGA neonates was significantly higher (p:0097) than in AGA neonates. The first three hours, the sixth hour and the 48th hour postnatally were the most common hours for encountering hypoglycemia. Clinical signs were not true indicators of hypoglycemia. These data suggest that screening for hypoglycemia in SGA neonates should continue for 48 hours.