ArticleWorld journal of clinical pediatrics2025
Towards improved neonatal care: Developing reference intervals for biochemical parameters in umbilical cord blood: An Indian study.
Article in World journal of clinical pediatrics, 2025. 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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Abstract
backgroundThe reference ranges for biochemical parameters can fluctuate due to factors like altitude, age, gender, and socioeconomic conditions. These values are crucial for interpreting laboratory data and guide clinical treatment decisions. Currently, there is no established set of reference intervals for cord blood biochemical parameters of newborns in India, particularly in Mumbai.
aimTo create cord blood biochemical parameters reference intervals specifically for Mumbai, India.
methodsA cross-sectional study was conducted in an Indian tertiary care hospital. This study focused on healthy newborns with normal birth weight, born to pregnant mothers without health issues. Cord blood samples, approximately 2-3 mL in volume, were collected from 210 term neonates. These samples were divided into fluoride (glucose) and clot activator (serum) tubes and were subsequently analyzed in the institute's biochemical laboratory. The data obtained from the analysis was then subjected to statistical analysis. The result of the Shapiro-Wilk test suggested non-normality in the data distribution. Consequently, non-parametric statistics were utilized for analysis. The Mann-Whitney
resultsThe following represent the median figures and central 95 percentile reference intervals for biochemical parameters in umbilical cord blood of newborns: Serum direct bilirubin = (0.1-0.55) mg/dL, indirect bilirubin = (0.64-2.26) mg/dL, total bilirubin = (0.62-3.14) mg/dL, creatinine = (0.27-0.76) mg/dL, sodium = (128.19-143.26) mmol/L, chloride = (100.19-111.68) mmol/L, potassium = (1.62-9.98) mmol/L and plasma glucose = (24.75-94.23) mg/dL. Statistically significant differences were observed in serum sodium, potassium, and plasma glucose levels when comparing delivery modes.
conclusionThis is the pioneering study in which first time, the biochemical reference intervals in cord blood for newborns are established in western India. The values are applicable for newborns from this area. Larger study throughout the country is required.
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