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Stunting and Overweight among 12-24-Month-Old Children Receiving Vaccination in Ho Chi Minh City, Vietnam.
Giao, H, Le An, P, Truong Vien, N, Van Khanh, T, Quang Vinh, B
BioMed research international. 2019;:1547626
Abstract
INTRODUCTION Malnutrition and obesity are a double burden on children in developing countries and could induce higher risks of noncommunicable diseases in the long term. In the big cities of Vietnam, both issues are present and share the issue of nutrition problems; the prevalence of malnutrition in children is gradually decreasing while the prevalence of obesity is increasing rapidly. The paper aims to identify the prevalence of stunting and overweight/obesity in apparently healthy young children in Ho Chi Minh City (HCMC). METHODS A prospective cross-sectional study recruited 12-24-month-old children receiving national vaccination in community health centers in HCMC from February 2016 to July 2017. Sixteen healthcare centers were randomly selected among 8 districts of HCMC. Stunting and overweight were defined by height-for-age z-score <-2 SD and BMI z-score ≥+2 SD. RESULTS A total of 768 children had mean age of 16.8±4.2 months old, 51.7% boys. The prevalence of stunting and overweight/obesity was 8.2% and 10.7%, respectively. Stunting was associated with older age, boys, and low birth weight of children and occupation of mothers (P <0.05). No associated risk factor was observed for overweight/ obesity status. CONCLUSION The prevalence of overweight/obesity was higher than the prevalence of stunting in 12-24-month-old children in HCMC. Overweight/obesity would be a public health problem for children in big cities.
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Longitudinal Analysis of the Intestinal Microbiota in Persistently Stunted Young Children in South India.
Dinh, DM, Ramadass, B, Kattula, D, Sarkar, R, Braunstein, P, Tai, A, Wanke, CA, Hassoun, S, Kane, AV, Naumova, EN, et al
PloS one. 2016;(5):e0155405
Abstract
Stunting or reduced linear growth is very prevalent in low-income countries. Recent studies have demonstrated a causal relationship between alterations in the gut microbiome and moderate or severe acute malnutrition in children in these countries. However, there have been no primary longitudinal studies comparing the intestinal microbiota of persistently stunted children to that of non-stunted children in the same community. In this pilot study, we characterized gut microbial community composition and diversity of the fecal microbiota of 10 children with low birth weight and persistent stunting (cases) and 10 children with normal birth weight and no stunting (controls) from a birth cohort every 3 months up to 2 years of age in a slum community in south India. There was an increase in diversity indices (P <0.0001) with increasing age in all children. However, there were no differences in diversity indices or in the rates of their increase with increasing age between cases and controls. The percent relative abundance of the Bacteroidetes phylum was higher in stunted compared to control children at 12 months of age (P = 0.043). There was an increase in the relative abundance of this phylum with increasing age in all children (P = 0.0380) with no difference in the rate of increase between cases and controls. There was a decrease in the relative abundance of Proteobacteria (P = 0.0004) and Actinobacteria (P = 0.0489) with increasing age in cases. The microbiota of control children was enriched in probiotic species Bifidobacterium longum and Lactobacillus mucosae, whereas that of stunted children was enriched in inflammogenic taxa including those in the Desulfovibrio genus and Campylobacterales order. Larger, longitudinal studies on the compositional and functional maturation of the microbiome in children are needed.
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Effect of micronutrient supplementation on diarrhoeal disease among stunted children in rural South Africa.
Chhagan, MK, Van den Broeck, J, Luabeya, KK, Mpontshane, N, Tucker, KL, Bennish, ML
European journal of clinical nutrition. 2009;(7):850-7
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Abstract
BACKGROUND/OBJECTIVE The efficacy of zinc combined with vitamin A or multiple micronutrients in preventing diarrhoea is unclear in African countries with high prevalence of human immunodeficiency virus (HIV)-exposed children. Potential modifying factors, such as stunting, need to be addressed. The objective of this study was to determine whether adding zinc or zinc plus multiple micronutrients to vitamin A reduces diarrhoea incidence, and whether this differs between the strata of stunted or HIV-infected children. METHODS We analyzed data from a randomized, controlled, double-blinded trial (ClinicalTrials.gov NCT00156832) of prophylactic micronutrient supplementation to children aged 6-24 months. Three cohorts of children: 32 HIV-infected children, 154 HIV-uninfected children born to HIV-infected mothers and 187 uninfected children born to HIV-uninfected mothers, received vitamin A, vitamin A plus zinc or multiple micronutrients, which included vitamin A and zinc. The main outcome was incidence of diarrhoea. Poisson regression was used in intent-to-treat analyses. Stratified analyses followed testing for statistical interaction between intervention and stunting. RESULTS We observed no significant differences in overall diarrhoea incidence among treatment arms. Stunting modified this effect with stunted HIV-uninfected children having significantly lower diarrhoea incidence when supplemented with zinc or multiple micronutrients compared with vitamin A alone (2.04 and 2.23 vs 3.92 episodes/year, respectively, P=0.024). No meaningful subgroup analyses could be done in the cohort of HIV-infected children. CONCLUSIONS Compared with vitamin A alone, supplementation with zinc and with zinc and multiple micronutrients, reduced diarrhoea morbidity in stunted rural South African children. Efficacy of zinc supplementation in HIV-infected children needs confirmation in studies that represent the spectrum of disease severity and age groups.
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Efficacy of multiple micronutrient supplementation for improving anemia, micronutrient status, growth, and morbidity of Peruvian infants.
López de Romaña, G, Cusirramos, S, López de Romaña, D, Gross, R
The Journal of nutrition. 2005;(3):646S-652S
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Anemia, micronutrient deficiencies, and growth faltering are still common in Peru. The study objective was to determine the efficacy of different micronutrient supplements in preventing growth failure, anemia, and micronutrient deficiencies in Peruvian infants. Three hundred and thirteen infants aged 6 to 12 mo participated in a double-blind, masked, controlled trial in which they were randomly assigned to receive either a daily dose of iron (DI), a daily dose of multiple micronutrients (DMM), a weekly dose of multiple micronutrients, or a placebo (P) for 6 mo. None of the supplements tested prevented growth faltering or the morbidities common during infancy. Anemia and plasma homocysteine concentrations fell significantly in all groups during the study, but the mean change of plasma homocysteine during the trial period was significantly smaller in the DI group than in other groups, and the increase in hemoglobin concentrations was smaller in the P group than the micronutrient treatment groups. Plasma ferritin concentrations decreased least in the groups taking daily micronutrient supplements containing iron (DI and DMM). There were no significant differences among groups in mean final values or changes in plasma zinc, retinol, tocopherol, or riboflavin. Although the DMM intervention was the most efficacious for preventing anemia, iron, and zinc deficiencies, 15%, 20%, and 50% of this group still remained anemic, zinc deficient, and iron deficient, respectively, at the end of the study. Further research thus should investigate whether higher doses of iron and zinc, together with infection control measures, are more efficacious.
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Body composition, blood pressure, and lipid metabolism before and during long-term growth hormone (GH) treatment in children with short stature born small for gestational age either with or without GH deficiency.
Sas, T, Mulder, P, Hokken-Koelega, A
The Journal of clinical endocrinology and metabolism. 2000;(10):3786-92
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To assess the effects of long-term continuous GH treatment on body composition, blood pressure (BP), and lipid metabolism in children with short stature born small for gestational age (SGA), body mass index (BMI), skinfold thickness measurements, systemic BP measurements, and levels of blood lipids were evaluated in 79 children with a baseline age of 3-11 yr with short stature (height SD-score, < -1.88) born SGA (birth length SD-score, < -1.88). Twenty-two of the 79 children were GH deficient (GHD). All children participated in a randomized, double-blind, dose-response multicenter GH trial. Four- and 6-yr data were compared between two GH dosage groups (3 vs. 6 IU/m2 body surface/day). Untreated children with short stature born SGA are lean (mean BMI SD-score, -1.3; mean SD-score skinfolds, -0.8), have a higher systolic BP (SD-score, 0.7) but normal diastolic BP (SD-score, -0.1), and normal lipids (total cholesterol, 4.7 mmol/L; low-density lipoprotein, 2.9 mmol/L; high-density lipoprotein, 1.3 mmol/L) compared with healthy peers. During long-term continuous GH treatment, the BMI normalized without overall changes in sc fat compared with age-matched references, whereas the BP SD-score and the atherogenic index decreased significantly. Although the mean 6-yr increase in height SD-score was significantly higher in the children receiving GH treatment with 6 IU/m2 x day (2.7) than in those receiving treatment with 3 IU/m2 day (2.2), no differences in the changes in BMI, skinfold measurements, BP, and lipids were found between the GH dosage groups. The pretreatment SD-scores for BMI, skinfold, and BP, as well as the lipid levels, were not significantly different between GHD and non-GHD children, but after 6 yr of GH treatment the skinfold SD-score and BP SD-score had decreased significantly more in the GHD than in the non-GHD children. Our data indicate that GH treatment has at least up to 6 yr positive instead of negative effects on body composition, BP, and lipid metabolism. In view of the reported higher risk of cardiovascular diseases in later life in children born SGA, further research into adulthood remains warranted.