| Plasma Sodium Levels and Dietary Sodium Intake in Manual Workers in the Middle East. | |
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MedLine Citation:
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PMID: 21454327 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: To investigate the hypothesis that workers who consume a predominately rice-based, low-sodium diet and perform long periods of manual work in the heat are at risk of chronic hyponatraemia due to inadequate replacement of sweat sodium losses. METHODS: Plasma sodium levels were assessed at the end of both the summer and winter periods in 44 male dockyard workers in the Middle East. The dietary intake of these workers was recorded and analysed by an Accredited Practicing Dietitian to determine average daily sodium intake. RESULTS: 55% of workers were found to be clinically hyponatraemic during the summer period compared with only 8% during the winter period. Assessment of the daily diet of workers in the labour camp revealed it to be predominantly starch based with low total sodium content. The majority of the fluids provided to workers are also low in sodium content. CONCLUSIONS: Manual labourers working in the heat and eating a low-sodium starch-based diet are at risk of chronic hyponatraemia. Increasing the sodium content of fluid and food provided to workers is warranted and may reduce the incidence of work-related illness and accidents in this population. The results of this study identify a need for sodium replacement guidelines specific for prolonged work in the heat to be developed. |
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Authors:
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Nicola A Holmes; Veronica S Miller; John Schneider; Omer Hasan; Graham P Bates |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-30 |
Journal Detail:
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Title: The Annals of occupational hygiene Volume: - ISSN: 1475-3162 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-4-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0203526 Medline TA: Ann Occup Hyg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Curtin University of Technology, Faculty of Health Sciences, School of Public Health, Perth, Western Australia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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