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  • Title: Selenium depletion in patients on home parenteral nutrition. The effect of selenium supplementation.
    Author: Rannem T, Ladefoged K, Hylander E, Hegnhøj J, Jarnum S.
    Journal: Biol Trace Elem Res; 1993 Oct; 39(1):81-90. PubMed ID: 7505102.
    Abstract:
    Severe selenium (Se) depletion was found in nine patients receiving long-term home parenteral nutrition because of short bowel syndrome. Plasma Se ranged from 0-0.51 (median 0.21 mumol/L), and erythrocyte Se ranged from 0.7-2.6 (median 1.8 mumol/gHgb), which was significantly lower than in the controls. Glutathione peroxidase (GSHPx) in plasma and erythrocytes was also decreased. After bolus injections with 200 micrograms Se/d in the form of sodium selenite for 4 mo, followed by 100 micrograms/d for 8 mo, plasma Se increased to values slightly but significantly higher than in the controls. Erythrocyte Se reached normal levels in most of the patients after 4 mo substitution, but it remained lower than in the controls. Following Se supplementation, plasma and erythrocyte GSHPx did not differ between patients and controls. These data suggest that all patients receiving long-term parenteral nutrition because of short bowel syndrome should receive at least 100 micrograms sodium selenite/d when given as bolus injections to avoid Se depletion.
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