focalinterest.net

AI Summary of Scholarly Research

This page presents an AI-generated summary of a published research paper. The original authors did not write or review this article. [See full disclosure ↓]

Cord blood glucose did not predict transitional neonatal hypoglycemia

Written by

editor@focalinterest.com

in

Research area:medicine-clinical

What the study found

Umbilical cord blood glucose (UCBG) values and derived measures were not associated with subsequent transitional neonatal hypoglycemia, which is low blood sugar in the newborn period after birth. The study also found that very low UCBG values may identify neonates with a higher likelihood of pathologic hypoglycemia, but this needs further validation.

Why the authors say this matters

The authors conclude that UCBG parameters were not useful as early markers of transitional neonatal hypoglycemia. They also suggest that the percentile-based UCBG reference dataset from this study may support future research and clinical interpretation.

What the researchers tested

This prospective cohort study was done at a tertiary perinatal center in Düsseldorf, Germany, and included neonates born at 35 weeks 0 days of gestation or later. The researchers collected paired arterial and venous umbilical cord blood samples at birth, then used standardized postnatal glucose screening to assess hypoglycemia risk and outcome. They evaluated arterial and venous glucose levels, the venous-arterial difference, and the glucose extraction rate using receiver operating characteristic analyses.

What worked and what didn't

Among 598 neonates, 188 had hypoglycemia and 22 had severe hypoglycemia. Neonates with arterial UCBG values of 45 mg/dL or less had higher venous-arterial differences, higher glucose extraction rates, and a higher incidence of severe transitional neonatal hypoglycemia than those with higher arterial values. However, the overall discriminative performance of all UCBG parameters was poor, and no percentile-based cutoff had clinically useful sensitivity or specificity.

What to keep in mind

This was a single-center study, so the findings may not generalize beyond this setting. The abstract does not describe all limitations in detail. The authors also note that the suggestion about very low UCBG values requires further validation.

Key points

  • The study found no association between UCBG parameters and later transitional neonatal hypoglycemia.
  • Hypoglycemia occurred in 31.4% of the 598 neonates included in the analysis.
  • Severe hypoglycemia occurred in 3.7% of the neonates.
  • Very low arterial UCBG values were linked with higher venous-arterial differences, higher extraction rates, and more severe hypoglycemia.
  • ROC analyses showed poor performance for all UCBG parameters, with a maximum area under the curve of 0.64.

Disclosure

Research title:
Cord blood glucose did not predict transitional neonatal hypoglycemia
Authors:
Marcia Roeper, Thomas Meissner, Lisa Friesl, Calvin Kurz, Mark Dzietko, Ertan Mayatepek, Henrike Hoermann, Sebastian Kummer
Institutions:
Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Düsseldorf University Hospital, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf, Heinrich Heine University Düsseldorf
Publication date:
2026-04-20
DOI:
10.1001/jamanetworkopen.2026.6170
OpenAlex record:
View
AI provenance: This post was generated by gpt-5.4-mini (OpenAI). The original authors did not write or review this post.

More posts