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Does gender-specific BMI development modulate insulin sensitivity in extremely low birth weight infants?

Bettina C Gohlke¹, Sonja Stutte, Peter Bartmann

¹Department of Pediatrics, University of Bonn, Bonn, Germany. bettina-gohlke@t-online.de

Journal of Pediatric Endocrinology & Metabolism : JPEM

|December 8, 2009

Summary

Extremely low birth weight (ELBW) children

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Area of Science:

Pediatric Endocrinology
Neonatalogy
Metabolic Health

Background:

Survival rates for extremely low birth weight (ELBW) infants are increasing.
Understanding long-term metabolic outcomes in ELBW survivors is crucial.

Purpose of the Study:

To investigate the impact of birth weight, gender, and catch-up growth on metabolic parameters in ELBW children.
To identify early markers of metabolic health in this vulnerable population.

Main Methods:

A cohort of 63 ELBW children was assessed at a mean age of 5.8 years.
Growth parameters, including height and body mass index (BMI), were evaluated.
Metabolic markers such as insulin, glucose, IGF-I, and IGFBP-1/3 were measured.

Main Results:

Children who were small for gestational age (SGA) were shorter and had lower IGF-I and IGFBP-3 levels.
Catch-up growth was associated with lower IGFBP-1 concentrations.
Gender influenced weight development, with girls normalizing BMI earlier than boys, and girls exhibiting lower IGFBP-1 levels.

Conclusions:

Metabolic parameters in ELBW children are significantly influenced by catch-up growth and sex-specific weight trajectories.
These factors lead to measurable metabolic differences in early childhood.
Early identification of growth patterns can inform interventions for metabolic health in ELBW survivors.