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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2006-7-13
pubmed:abstractText
13 consecutive adult gastroenterological patients with non-malignant disease who were candidates for total parenteral nutrition (TPN), and who had mild protein-energy malnutrition (82 +/- 3% of ideal body weight, serum albumin 32 +/- 2 g/l, mean +/- SEM) were found to have, prior to TPN, a Selenium level 50% less than controls (p < 0.001) as assayed by Se and glutathione peroxidase (GSHPx) in plasma and erythrocytes. Compared with other trace metals and minerals, eg, Mn, Zn and Cu, depletion of Selenium was the most marked in this population. Patients were randomised to be supplemented with either 100 or 200 microg/d of sodium-selenite, equal to 32 microg (0.4 micromol) or 64 microg (0.8 micromol) of selenium, in two cross-over periods of TPN, each of two weeks. In this short term study, significant increases in the four measurements of Se status (p < 0.05) were seen in all patients, but there was no difference between those receiving the high or low dose of the element. GSHPx in plasma was normalised within 1 month whereas the increase seen in the erythrocyte pool was consistent with a 4-month half-life. Pooled Se values for patients and controls showed logarithmic correlations between Se and GSHPx in erythrocytes (p < 0.001) and plasma (p < 0.01). Changes in GSHPx provided further evidence of Se depletion in our patients. This study suggests that malnourished gastroenterological patients receiving TPN require Se supplements and that 100 microg (0.4 micromol)/d of sodium-selenite is adequate for most patients since there was no additional benefit from the higher dose of 200 microg (0.8 micromol).
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Oct
pubmed:issn
0261-5614
pubmed:author
pubmed:issnType
Print
pubmed:volume
9
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
281-8
pubmed:year
1990
pubmed:articleTitle
Selenium status prior to and during one month total parenteral nutrition in gastroenterological patients: A randomised study of two dosages of Se supplementation.
pubmed:affiliation
Centre Agréé de Nutrition Parentérale à Domicile, Hôpital Saint-Lazare, INSERM U.290, France.
pubmed:publicationType
Journal Article