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Greater effectiveness of daily iron supplementation scheme in infants

Catarina Machado Azeredo1, Rosângela Minardi Mitre Cotta, Luciana Ferreira da Rocha Sant'Ana

  • 1Universidade Federal de Viçosa, Viçosa, MG, Brasil.

Revista De Saude Publica
|March 27, 2010
PubMed

Insights

Daily iron supplementation is more effective than weekly for preventing anemia in infants. The Brazilian Ministry of Health

Area of Science:

  • Pediatrics
  • Public Health
  • Nutritional Science

Background:

  • Iron deficiency anemia is a significant global health concern in infants.
  • Preventive iron supplementation is a key strategy to combat anemia.
  • Different supplementation schedules exist, with varying reported efficacies.

Purpose of the Study:

  • To compare the effectiveness of daily versus weekly iron supplementation in preventing anemia in non-anemic infants.
  • To evaluate the impact of different iron dosage schemes on hemoglobin levels and anemia prevalence.
  • To inform public health policies regarding infant iron supplementation.

Main Methods:

  • A prospective, quantitative intervention study was conducted in Brazil.
  • 103 non-anemic infants (6-18 months) were divided into daily (n=34) and weekly (n=69) iron supplementation groups.
  • Assessments included hemoglobin levels, anthropometry, diet, and socioeconomic factors over six months.

Main Results:

  • The daily supplementation group showed significantly higher mean hemoglobin levels (p=0.015) and lower anemia prevalence (p=0.04) after six months.
  • Supplementation time was the only factor influencing severe anemia (p=0.009).
  • No significant differences were found in adherence or side effects between groups.

Conclusions:

  • Daily iron supplementation, as recommended by the Brazilian Society of Pediatrics, is more effective in preventing infant anemia than the weekly scheme used by the Ministry of Health.
  • The current weekly iron dosage strategy requires review to improve anemia prevention in public health services.
  • Evidence supports optimizing iron supplementation protocols for vulnerable infant populations.
Abstract

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