Journal
PEDIATRICS INTERNATIONAL
Volume 45, Issue 5, Pages 555-559Publisher
WILEY
DOI: 10.1046/j.1442-200X.2003.01772.x
Keywords
acute diarrhea; efficacy; treatment; zinc
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Background : Intervention trials have shown that zinc may be efficacious in treating acute diarrhea in children of developing countries. A double- blind placebo- controlled study was designed to evaluate the effects of zinc supplementation on the clinical course and duration of diarrhea in malnourished Turkish children. Methods : The study group comprised 40 subjects with low zinc levels ( Group 1a) and 52 subjects with normal zinc levels ( Group 1b). The control group was also comprised of two subgroups: 36 subjects with low zinc levels ( Group 2a) and 54 subject with normal zinc levels ( Group 2b). Forty- three percent of children in the study group and 40% of controls had low serum zinc levels (< 14 mu mol/ L), and 43% of subjects in both groups had very low serum zinc concentrations (< 10 mu mol/ L). The study group were given 20 mg zinc per day for 10 days and the control group were given 750 mg glucose per day as a placebo for 10 days. Results : The mean duration of diarrhea was shorter and the percentage of children with consistent diarrhea for more than 3 - 7 days was lower in the study subgroups than in the control subgroups. Prolonged diarrhea was present in 12% of children in the study group, and in 44% and 37% of children in the hypozincemic and normozincemic control subgroups, respectively. The was no significant difference among the four subgroups of children in the number of cases with post- enrollment diarrhea of a duration of > 14 days. Stool frequency over the first 4 days after enrollment was lower in children in the study group. Conclusion : It was concluded that zinc supplementation in malnourished children with acute diarrhea may reduce the severity and duration of diarrhea, especially in children with low zinc levels.
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