Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 360346
Title Anemia and intestinal parasite infection in school children in rural Vietnam
Author(s) Thi, H. Le; Brouwer, I.D.; Verhoef, H.; Khan, N.C.; Kok, F.J.
Source Asia Pacific Journal of Clinical Nutrition 16 (2007)4. - ISSN 0964-7058 - p. 716 - 723.
Department(s) Chair Nutrition and Health over the Lifecourse
Cell Biology and Immunology
VLAG
WIAS
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) serum transferrin receptor - iron-deficiency - trichuris-trichiura - ferritin - women - schoolchildren - prevalence - diagnosis - ratio
Abstract Objectives: This study hypothesized that besides iron deficiency, intestinal parasites infection is also a determinant of anemia in schoolchildren in rural Vietnam. Methods: 400 primary schoolchildren from 20 primary schools in Tam Nong district, a poor rural area in Vietnam, were randomly selected from enrolment lists. Venous blood (5ml) was collected in a cross sectional study and analyzed for hemoglobin (Hb), serum ferritin (SF), serum transferrin receptor (TfR), serum C-reactive protein (CRP) and total immunoglobulin E (IgE). Stools samples were examined for hookworm, Trichuris, and Ascaris infection. Logistic regression was used to assess the effect of intestinal parasites on anemia. Results: The prevalence of anemia (Hb8.5mg/L) occurred in 2% of the children. The prevalence of intestinal parasites was 92% with the highest prevalence for Trichuris (76%) and Ascaris (71%). More than 30% and 80% of the children showed an elevated CRP (>= 8 mg/L) and IgE (> 90 IU/mL) concentration. Anemia status was borderline significantly associated with SF and not associated with TfR and CRP. The prevalence odds ratio for Trichuris infection was 1.96 (95%CI 1.07-3.59) and 2.00 (95% CI 1.08-3.65) with iron deficiency reflected by TfR and SF, respectively. Conclusion: Anemia is highly prevalent among schoolchildren in Vietnam but may not be associated with iron deficiency. Trichuris infection is associated with a doubled risk of anemia, not mediated through iron deficiency. Chronic infection may play a role in anemia, but needs further investigation.
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