Evidence map›Paper›PMID 41274962›Full record

ArticlePediatric research2026

Umbilical cord blood markers predict neonatal hypoglycemia in full-term small and large for gestational age infants.

Kazumasa Zensho, Yuka Murakami, Hinako Takahara, Natsumi Komatsubara, Yuko Fujiwara, Masanao Ohashi, Masamichi Kubota, Nobuyoshi Mimaki

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Article in Pediatric research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Kazumasa ZenshoDepartment of Pediatrics, Kurashiki Medical Center, Okayama, Japan. phvw5b1a@s.okayama-u.ac.jp.
Yuka MurakamiDepartment of Perinatal Nursing, Kurashiki Medical Center, Okayama, Japan.
Hinako TakaharaDepartment of Perinatal Nursing, Kurashiki Medical Center, Okayama, Japan.
Natsumi KomatsubaraDepartment of Perinatal Nursing, Kurashiki Medical Center, Okayama, Japan.
Yuko FujiwaraDepartment of Perinatal Nursing, Kurashiki Medical Center, Okayama, Japan.
Masanao OhashiDepartment of Obstetrics and Gynecology, Kurashiki Medical Center, Okayama, Japan.
Masamichi KubotaDepartment of Pediatrics, Kurashiki Medical Center, Okayama, Japan.
Nobuyoshi MimakiDepartment of Pediatrics, Kurashiki Medical Center, Okayama, Japan.

Funding

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6 · The paper itself

Abstract

backgroundNeonatal hypoglycemia in small for gestational age (SGA) and large for gestational age (LGA) infants can lead to neurological complications. Predictive factors including umbilical cord blood analysis, remain largely unexplored.

methodsWe retrospectively investigated umbilical cord blood parameters as potential predictors of hypoglycemia in full-term SGA (n = 90) and LGA (n = 105) infants. Blood glucose was measured at 11 timepoints over 72 h. Hypoglycemia was defined as blood glucose <40 mg/dL.

resultsHypoglycemia occurred in 13.3% of SGA and 14.3% of LGA infants, with all episodes occurring within the first 2 h of life. In SGA infants, cord blood glucose <69 mg/dL predicted hypoglycemia with 83% sensitivity, 59% specificity, and 96% negative predictive value (NPV); area under the curve (AUC) 0.78, 95% confidence interval (CI): 0.66-0.89. In LGA infants, cord blood bicarbonate >23.1 mmol/L showed 73% sensitivity, 54% specificity, 92% NPV; AUC 0.67, 95% CI: 0.52-0.82, though with marginal statistical significance after multiple comparison correction.

conclusionDistinct cord blood markers reflect different pathophysiological mechanisms in SGA and LGA infants. While the glucose threshold <69 mg/dL provides a clinically applicable prediction for SGA infants, bicarbonate findings in LGA infants require prospective validation before clinical implementation. IMPACT: This study identifies distinct umbilical cord blood parameters as predictors of hypoglycemia in SGA and LGA infants. The findings reveal different pathophysiological mechanisms of hypoglycemia between SGA and LGA infants. Lower cord blood glucose levels predict hypoglycemia in SGA infants with good accuracy (AUC 0.78), while higher bicarbonate levels show potential association with hypoglycemia risk in LGA infants requiring validation. These group-specific markers could contribute to optimizing the frequency and timing of glucose monitoring strategies tailored to individual risk profiles.

Indexed as

BiomarkersFetal BloodHypoglycemiaInfant, Large for Gestational AgeInfant, Small for Gestational AgeBicarbonatesBlood GlucoseFemaleGestational AgeHumansInfant, NewbornMalePredictive Value of TestsRetrospective StudiesBicarbonatesBiomarkersBlood Glucose

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.