| Recommendations for monitoring and evaluating vitamin A programs: outcome indicators. | |
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MedLine Citation:
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PMID: 12221273 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Monitoring and evaluation are essential components of vitamin A intervention programs. They enable program managers to track progress in achieving their goals. Recommendations for outcome indicators are based on suggestions from the International Vitamin A Consultative Group Meeting (IVACG) workshop in late October 2000 in Annecy, France, followed by a pre-XX IVACG meeting in Hanoi, Vietnam. In areas with detectable xerophthalmia or eye signs, a fall in the prevalence of Bitot's spots to <0.5% and a decrease in night blindness during pregnancy to <5% indicates that vitamin A deficiency (VAD) is no longer a public health problem, although it still may be responsible for excess morbidity and mortality. Pupillary dark adaptation has been proposed as an objective indicator of vitamin A status. A program is considered to have made progress when the mean pupillary threshold improves to better than -1.24 log cd/m(2). For biochemical indices, the shift of mean or median values or the frequency distribution of preschool children with serum retinol concentration below 0.70 micromol (20 microg/dL), lactating mothers with breast milk retinol values below 0.70 micromol (6 microg per g of milk fat) or below 1.05 micromol (8 microg per g of milk fat) are useful to monitor program progress. |
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Authors:
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Emorn Wasantwisut |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: The Journal of nutrition Volume: 132 ISSN: 0022-3166 ISO Abbreviation: J. Nutr. Publication Date: 2002 Sep |
Date Detail:
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Created Date: 2002-09-10 Completed Date: 2002-10-11 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0404243 Medline TA: J Nutr Country: United States |
Other Details:
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Languages: eng Pagination: 2940S-2942S Citation Subset: IM |
Affiliation:
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The Institute of Nutrition, Mahidol University, Salaya, Phutthamonthon, Nakhon Pathom 73170, Thailand. numdk@mahidol.ac.th |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Crops, Agricultural
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genetics*,
standards* Humans Monitoring, Physiologic Nutritional Physiological Phenomena* Nutritional Requirements Vitamin A* Vitamin A Deficiency / prevention & control |
| Chemical | |
Reg. No./Substance:
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11103-57-4/Vitamin A |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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