Bioelectrical impedance vector (BIVA) reference values for healthy term newborns 1–2 days old

IF 2.9 Q3 NUTRITION & DIETETICS

Clinical nutrition ESPEN Pub Date : 2025-02-14 DOI:10.1016/j.clnesp.2025.02.005

Nallely Bueno-Hernández , Jesús Carlos Briones-Garduño , Miguel Ángel Fonseca-Sánchez , Guillermo Meléndez , Galileo Escobedo , Marcela Esquivel-Velázquez

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引用次数: 0

Abstract

Background

Bioelectrical impedance vector analysis (BIVA) is a valuable tool for assessing individuals' body fluids and nutritional status by examining the impedance vector's position on the mean reference impedance vector tolerance ellipses from healthy populations. Nevertheless, differences in BIVA tolerance ellipses have been reported between populations with different ethnicities, body mass index (BMI), sex, and age.

Aim

To construct BIVA reference values for healthy newborns aged 1–2 days born to term and compare them to those previously reported for newborns from different populations.

Methods

A cross-sectional study was conducted using bioelectrical impedance data collected within the first 48 h after birth from healthy, term newborns with healthy mothers. The mean impedance vector 50 %, 75 %, and 95 % tolerance ellipses were constructed and compared with those previously reported for other newborn populations.

Results

The healthy newborns’ mean impedance vector showed significant differences between populations, with similarities observed only between our newborn population and one of the four previously reported populations. No vector displacement was found related to the mode of delivery or sex of the newborns.

Conclusions

The mean impedance vector tolerance ellipses for healthy term newborn population aged 1–2 days were constructed. Our results show that there are differences in the mean impedance vector compared to other BIVA newborn studies, which could result from the influence of ethnic background on BIVA tolerance ellipses or be due to differences in the technique for BIA assessment.

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来源期刊

Clinical nutrition ESPEN NUTRITION & DIETETICS-

CiteScore

4.90

自引率

3.30%

发文量

512

期刊介绍： Clinical Nutrition ESPEN is an electronic-only journal and is an official publication of the European Society for Clinical Nutrition and Metabolism (ESPEN). Nutrition and nutritional care have gained wide clinical and scientific interest during the past decades. The increasing knowledge of metabolic disturbances and nutritional assessment in chronic and acute diseases has stimulated rapid advances in design, development and clinical application of nutritional support. The aims of ESPEN are to encourage the rapid diffusion of knowledge and its application in the field of clinical nutrition and metabolism. Published bimonthly, Clinical Nutrition ESPEN focuses on publishing articles on the relationship between nutrition and disease in the setting of basic science and clinical practice. Clinical Nutrition ESPEN is available to all members of ESPEN and to all subscribers of Clinical Nutrition.