alexa [Correction of selenium deficiency in patients with renal failure undergoing hemodialysis].


Journal of Clinical & Experimental Cardiology

Author(s): SaintGeorges MD, Bonnefont DJ, Bourely BA, Jaudon MC, Cereze P,

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Abstract Plasma selenium levels (p Se) as well as glutathione peroxidase activity in plasma (p GPx) and in erythrocytes (e GPx) were measured in 39 haemodialysis patients. Glutathione peroxidase is a selenium-dependent enzyme which protects cells against oxidation. The mean level values obtained were significantly lower in patients than in controls: p Se: 38 +/- 14 versus 88 +/- 17 micrograms/l; p GPx: 15 +/- 32 versus 334 +/- 41 IU/l; e GPx: 19 +/- 4 versus 26 +/- 4 IU/g Hb. These values were found to correlate significantly with the duration of dialysis and with the type of membrane utilized. The total muscular mass was significantly smaller in patients with the lowest p Se or p GPx values. At echocardiography, septal hypertrophy correlated with both p Se and p GPx. Twenty patients were supplemented with sodium selenite administered orally at the end of each haemodialysis session during 6 months. After this period, muscular mass and septal hypertrophy were decreased and the echocardiographic contractility parameters were improved, albeit not significantly.
This article was published in Presse Med and referenced in Journal of Clinical & Experimental Cardiology

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