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Weight gain and metabolic complications in preterm infants with nutritional support

Rebeca Monroy-Torres1, Alejandro E Macías, Samuel Ponce-de-León

  • 1Departamento de Medicina y Nutrición, División de Ciencias de la Salud, Universidad de Guanajuato, Campus León, Gto. rmonroy79@yahoo.com.mx

Revista De Investigacion Clinica; Organo Del Hospital De Enfermedades De La Nutricion
|September 6, 2011
PubMed

Insights

Nutritional support for preterm infants was often delayed and insufficient, leading to poor weight gain and metabolic issues. Routine monitoring of weight and complications was also inadequate.

Area of Science:

  • Neonatalogy
  • Pediatric Nutrition
  • Clinical Research

Background:

  • Preterm newborns require specialized nutritional support (NS) for optimal growth and development.
  • Metabolic complications are common in preterm infants receiving nutritional interventions.
  • Understanding nutritional practices is crucial for improving outcomes in neonatal intensive care.

Purpose of the Study:

  • To analyze weight gain patterns in preterm newborns receiving nutritional support.
  • To describe the incidence of metabolic complications associated with nutritional support.
  • To characterize nutritional practices during the first month of hospitalization for preterm infants.

Main Methods:

  • A prospective, descriptive study was conducted on 52 preterm infants (30-36 weeks gestational age).
  • Nutritional support types (parenteral, enteral, mixed), energy, and macronutrient intake were assessed weekly.
  • Weight and metabolic parameters (glucose, lipids, etc.) were monitored, with statistical analysis using ANOVA and Wilcoxon tests.

Main Results:

  • Nutritional support was initiated late (average day 4), with energy and macronutrient delivery 50% below recommendations.
  • Parenteral nutrition (PN) showed better weight gain than enteral (EN) or mixed (MN) nutrition.
  • Metabolic complication rates were highest with MN (0.56/person-day), followed by EN (0.16) and PN (0.09).

Conclusions:

  • Delayed nutritional support, inadequate energy provision, and insufficient monitoring hindered weight gain and increased metabolic complications.
  • Current nutritional practices and surveillance require improvement to optimize preterm infant care.
  • Further research is needed to refine nutritional strategies and monitoring protocols for vulnerable preterm populations.
Abstract

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