PMID: 8599314Apr 1, 1996Paper

Zinc supplementation increases growth and circulating insulin-like growth factor I (IGF-I) in growth-retarded Vietnamese children

The American Journal of Clinical Nutrition
N X NinhJ M Ketelslegers

Abstract

To determine whether zinc deficiency might be involved in the failure to thrive observed in undernourished Vietnamese children, we assessed growth, incidence of infections, and circulating insulin-like growth factor I (IGF-I) concentrations in a double-blind study of zinc supplementation. Growth-retarded children (n=146) aged 4-36 mo were paired according to age, sex, commune, Z scores for weight (WAZ) and for height (HAZ), and number of siblings, and were randomly assigned to receive either 153 micromol (10 mg) Zn/d or a placebo for 5 mo. Weight, height, and episodes of infection were recorded each month and plasma IGF-I was measured 1 and 5 mo after the start of zinc supplementation. Multiple-linear-regression analysis for paired data showed that zinc supplementation increased weight (+0.5 +/- 0.1 kg; P<0.001) and height (+1.5+/-0.2 cm; P<0.001) after 5 mo compared with placebo treatment. The relative risk of infectious episodes in the zinc-treated subjects was reduced 3-fold for diarrhea (P=0.012) and 2.5-fold for respiratory infections (p=0.057). The probability of having at least two episodes of diarrhea or respiratory infection was 2.9- and 3.2-fold lower, respectively, in zinc-treated subjects between 1 and 5 mo (P=0.018...Continue Reading

Citations

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