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Nutritional status and complementary feeding among HIV-exposed infants: a prospective cohort study.

ABSTRACT: Complementary feeding is crucial for improving child survival and promoting growth and development, particularly among HIV-exposed children who have higher risk of morbidity and mortality than their un-exposed peers. This prospective study employed an infant and child feeding index (ICFI) to measure complementary feeding and determine its association with nutritional status among 2092 HIV-exposed infants followed from 6 to 24 months of age in Dar es Salaam, Tanzania. The ICFI measured both quality and quantity of complementary feeding, including current breastfeeding status, food consistency, dietary diversity scores (DDS), food group frequency score, and meal frequency. The ICFI score ranged from 0 to 9; the median score was 6 (Inter-Quartile Range, IQR=?4-7). After adjusting for potential confounders, high ICFI scores were associated with reduced risk of stunting (high vs. low tertile hazard ratio, HR: 0.72; 95% confidence interval, CI: 0.57, 0.91; P

SUBMITTER: Kamenju P

PROVIDER: S-EPMC5654526 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Nutritional status and complementary feeding among HIV-exposed infants: a prospective cohort study.

Kamenju Pili P Liu Enju E Hertzmark Ellen E Spiegelman Donna D Kisenge Rodrick R Kupka Roland R Aboud Said S Manji Karim P KP Duggan Christopher C Fawzi Wafaie W WW

Maternal & child nutrition 20160930 3

Complementary feeding is crucial for improving child survival and promoting growth and development, particularly among HIV-exposed children who have higher risk of morbidity and mortality than their un-exposed peers. This prospective study employed an infant and child feeding index (ICFI) to measure complementary feeding and determine its association with nutritional status among 2092 HIV-exposed infants followed from 6 to 24 months of age in Dar es Salaam, Tanzania. The ICFI measured both quali ...[more]

PMID: 27686370

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Project description:Vitamin D is a potent immunomodulator, but its impact on morbidity and mortality among infants remains unclear.The objective of the study was to prospectively assess the association of vitamin D status with mortality, morbidity, and growth during the first 2 y of life.A prospective cohort of 253 HIV-infected and 948 HIV-exposed Tanzanian infants enrolled in a randomized trial of multivitamins (not including vitamin D) was studied. Serum 25-hydroxyvitamin D [25(OH)D] concentrations were measured at 5-7 wk of age and infants were followed at monthly clinic visits until 24 mo. Physicians performed a clinical exam every 3 mo or when an illness was noted.Serum 25(OH)D concentrations were (means ± SDs) 18.6 ± 10.3 ng/mL and 18.1 ± 9.2 ng/mL for HIV-infected and HIV-exposed infants, respectively. Unexpectedly, serum 25(OH)D concentrations ?30 ng/mL were significantly associated with higher mortality as compared to the 20-29.9 ng/mL reference for HIV-infected (HR: 2.47; 95% CI: 1.13, 5.44; P = 0.02) and HIV-exposed (HR: 4.00; 95% CI: 1.67, 9.58; P < 0.01) infants after multivariate adjustment. We found no statistically significant association between 25(OH)D concentrations <10 ng/mL and mortality for HIV-infected (HR: 1.43; 95% CI: 0.74, 2.78; P = 0.29) and HIV-exposed (HR: 1.56; 95% CI: 0.60, 4.03; P = 0.36) infants. Among HIV-exposed infants, 25(OH)D concentrations ?30 ng/mL were significantly associated with clinical [incidence ratio rate (IRR): 1.34; 95% CI: 1.06,1.70; P = 0.02] and confirmed (IRR: 1.71; 95% CI: 1.71; 1.15, 2.54; P < 0.01) malaria diagnoses, whereas concentrations of <10 ng/mL were associated with oral candidiasis (IRR: 1.47; 95% CI: 1.00-2.15; P = 0.046) and wasting (HR: 1.71; 95% CI: 1.20, 2.43; P < 0.01).The observational design of this study does not allow for causal interpretation; however, the results indicate a strong need for additional studies of vitamin D among HIV-infected and -exposed children, particularly in malaria-endemic settings. The parent trial was registered at clinicaltrials.gov as NCT00197730.

Project description:IntroductionChildhood undernutrition is a major public health problem especially in low and middle-income countries (LMIC). The prevalence of early introduction of complementary feeding, low meal frequency, and low dietary diversity are frequent in LMICs. The effect of inappropriate complementary feeding practices on the nutritional status of children is not well documented in East African countries including Tanzania. Therefore, this study aimed at determining the effect of inappropriate complementary feeding practices on the nutritional status of children aged 6-24 months in urban Moshi, Tanzania.MethodologyA retrospective cohort study was done using the Pasua and Majengo cohorts of mother-child pairs in urban Moshi who were enrolled from 2002 to 2017. About 3355 mother-child pairs were included in the analysis. Appropriate complementary feeding practices were assessed using WHO IYFP indicators such as age at introduction of solid, semi-solid, or soft foods, minimum dietary diversity, and minimum meal frequency. Nutritional status (stunting, wasting, and underweight) was determined. Multilevel modeling was applied to obtain the effect of inappropriate complementary feeding practices on the nutritional status of children and to account for the clustering effect of mothers and children and the correlation of repeated measures within each child.ResultsMajority of the children (91.2%) were given soft/semi-solid/solid foods before six months of age, 40.3percent had low meal frequency, and 74percent had low dietary diversity. Early introduction of complementary food at age 0-1 month was statistically significantly associated with higher risks of wasting and underweight (ARR 2.9, 95%CI 1.3-6.3; and ARR 2.6, 95% CI 1.3-5.1 respectively). Children with low minimum meal frequency had higher risks of stunting, wasting, and underweight (ARR 2.9, 95%CI 2.3-3.6; ARR 1.9, 95%CI 1.5-2.5 and ARR 1.9, 95%CI 1.5-2.4 respectively). Children with low minimum dietary diversity were more likely to be stunted than is the case with their peers who received the minimum dietary diversity (ARR 1.3, 95% CI 1.01-1.6).ConclusionThere were a high proportion of children, which were fed inappropriately; Inappropriate complementary feeding practices predisposed children to undernutrition. Our study supports the introduction of complementary feeding, providing minimum dietary diversity, and minimum feeding frequency at six months of age as important in improving the nutritional status of the children.

Project description:BackgroundIron deficiency (ID) is the most common micronutrient deficiency worldwide, with potentially severe consequences on child neurodevelopment. Though exclusive breastfeeding (EBF) is recommended for 6 months, breast milk has low iron content. This study aimed to estimate the effect of the length of EBF on iron status at 6 - 8 months of age among a cohort of Bolivian infants.MethodsMother-infant pairs were recruited from 2 hospitals in El Alto, Bolivia, and followed from one through 6 - 8 months of age. Singleton infants > 34 weeks gestational age, iron-sufficient at baseline, and completing blood draws at 2 and 6 - 8 months of age were eligible for inclusion (N = 270). Ferritin was corrected for the effect of inflammation. ID was defined as inflammation-corrected ferritin < 12 μg/L, and anemia was defined as altitude-corrected hemoglobin < 11 g/dL; IDA was defined as ID plus anemia. The effect of length of EBF (infant received only breast milk with no other liquids or solids, categorized as < 4, 4 - 6, and > 6 months) was assessed for ID, IDA, and anemia (logistic regression) and ferritin (Fer) and hemoglobin (Hb, linear regression).ResultsLow iron status was common among infants at 6 - 8 months: 56% of infants were ID, 76% were anemic, and 46% had IDA. EBF of 4 months and above was significantly associated with ID as compared with EBF < 4 months (4 - 6 months: OR 2.0 [1.1 - 3.4]; > 6 months: 3.3 [1.0 - 12.3]), but not with IDA (4 - 6 months: OR 1.4 [0.8 - 2.4]; > 6 months: 2.2 [0.7 - 7.4]), or anemia (4 - 6 months: OR 1.4 [0.7 - 2.5]; > 6 months: 1.5 [0.7 - 7.2]). Fer and Hb concentrations were significantly lower with increasing months of EBF.ConclusionsResults suggest a relationship between prolonged EBF and ID, but are not sufficient to support changes to current breastfeeding recommendations. More research is needed in diverse populations, including exploration of early interventions to address infant IDA.

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Nutritional status and complementary feeding among HIV-exposed infants: a prospective cohort study.

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Nutritional status and complementary feeding among HIV-exposed infants: a prospective cohort study.

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