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  • Title: [Anaemia in a school of rural Cambodia: detection, prevalence, and links with intestinal worms and malnutrition].
    Author: Khieu V, Odermatt P, Mel Y, Keluangkhot V, Strobel M.
    Journal: Bull Soc Pathol Exot; 2006 May; 99(2):115-8. PubMed ID: 16821444.
    Abstract:
    According to WHO, half of the world's children suffers from anaemia, which is a silent and neglected endemic resulting from three major causes: iron deficiency intestinal worms and malaria. A two month transversal study was conducted in a rural primary school in Battambang Province, Cambodia, in a malaria-free area. The main objective of the study was to assess the prevalence of anaemia and two of its possible driving factors, intestinal parasites and general malnutrition; a secondary objective was to assess the accuracy of haemoglobin colour scale, an easy and cheap visual technique compared to spectrophotometry used as the reference. Among 168 school children (average age: 11), the prevalence rates of moderate and severe anaemia were 24% and nil respectively; average haemoglobin was 12.6 g/dl. These results compared favourably with previous data from Cambodia. In our study's conditions, the haemoglobin colour scale grossly overestimated the anaemia prevalence: 83 vs. 24%, specificity 22%. Despite its simplicity and very low cost, this technique appeared inaccurate. Anaemia was independently associated with Ancylostoma carriage (p = 0.05), and stunting (p = 0.01), which prevalences were 54% et 40% respectively; and this, despite a mebendazole 500 mg dose given 9 months prior to the study as part of a regular deworming school program. Although periodical mass deworming in schools does not prevent early Ancylostoma reinfection, it may reduce the severity of anaemia. It therefore appears fully justified, and may be strengthened, notably by switching from mebendazole to albendazole.
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