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  • Title: Impact of zinc supplementation on subsequent growth and morbidity in Bangladeshi children with acute diarrhoea.
    Author: Roy SK, Tomkins AM, Haider R, Behren RH, Akramuzzaman SM, Mahalanabis D, Fuchs GJ.
    Journal: Eur J Clin Nutr; 1999 Jul; 53(7):529-34. PubMed ID: 10452407.
    Abstract:
    OBJECTIVE: To assess the impact of zinc supplementation during acute diarrhoea on subsequent growth and morbidity in malnourished young children. DESIGN: Double blind randomized controlled clinical trial SETTING: International Centre for Diarrhoeal Disease Research, Bangladesh. SUBJECTS: Sixty-five children aged 3-24 months with acute diarrhoea for less than 3 d. INTERVENTION: Either elemental zinc (20 mg/d) in a multivitamin syrup or multivitamin syrup alone divided in three divided daily doses for a period of two weeks. Children were followed up weekly at home to assess subsequent growth and morbidity for a period of eight weeks. MAIN OUTCOME MEASURES: Gain in length and body weight and reduction in diarrhoea and respiratory tract infection. RESULTS: During the follow-up, zinc supplemented children showed significantly greater cumulative length gain (18.9 mm vs 14.5 mm, P <0.03) and comparable body weight gain than the children of the control group. Subsequent length gain was not correlated with initial height in the zinc-supplemented group (r=-0.13), P = 0.5), but was significantly correlated in the control group (r = -0.6, P < 0.0007). Zinc-supplemented and stunted children (< or = 90% length for age n = 18) experienced significantly fewer episodes of diarrhoea (0.07 vs 0.6, P < 0.05) and respiratory illness (1.0 vs 2.4, P < 0.01) compared to the control group. The underweight children (< or = 71% weight/age n = 38) receiving zinc-supplementation also had fewer episodes of diarrhoea (0.4 vs 1.0, P<0.04) and shorter duration of diarrhoeal episodes (1.0 vs 3.0d, P<0.04) compared to their counterparts in the control group. CONCLUSION: These results suggest that a short course of zinc supplementation to malnourished children during acute diarrhoea reduces growth-faltering and diarrhoeal and respiratory morbidity during subsequent two months.
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