Effectiveness of different iron supplementation strategies on hemoglobin and ferritin levels among schoolchildren in Teresina, Piaui State, Brazil

被引:11
作者
dos Santos, Marize Melo [1 ]
Nogueira, Nadir do Nascimento [1 ]
Diniz, Alcides da Silva [2 ]
机构
[1] Univ Fed Piaui, Dept Nutr, BR-64049110 Teresina, PI, Brazil
[2] Univ Fed Pernambuco, Recife, PE, Brazil
来源
CADERNOS DE SAUDE PUBLICA | 2007年 / 23卷 / 07期
关键词
iron; anemia; students;
D O I
10.1590/S0102-311X2007000700005
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
This study evaluated the effectiveness of supplementation with ferrous sulfate andiron bis-glycinate chelate on hemoglobin and serum ferritin levels among schoolchildren (7-11 years) of both sexes. A randomized community-based trial including 138 anemic children (hemoglobin < 11.5g/dL) was conducted in Teresina, Piaui State, Brazil. Children were assigned to two treatment groups on an individual basis. One group (n = 71) received 40mg iron as ferrous sulfate once weekly and the other group (n = 67) received 3.8mg of iron bis-glycinate chelate-enriched cookies, 3x/week, for 8 weeks. The interventions showed a significant increase (p < 0.01) in hemoglobin levels (1.1g/dL) for children who received ferrous sulfate and 0.9g/dl in those who received iron bis-glycinate chelate, although not significant in the inter-group comparison (p > 0.05). No effect was observed on body iron for either intervention (p > 0.05). Children with depleted iron stores (< 15ng/mL) at the beginning of interventions showed increased serum ferritin concentrations after 8 weeks (p < 0.01), although no difference between treatments (p > 0.05) was observed. The results confirm the effectiveness of the iron supplementation interventions and corroborate the use of iron salts or ferrous bisglycinate chelate on a weekly basis to overcome iron deficiency and anemia.
引用
收藏
页码:1547 / 1552
页数:6
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