Polski tygodnik lekarski (Warsaw, Poland : 1960)
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The study aimed at evaluating an incidence of hypo- and hypernatremia in the elderly and the results of therapy. Hyponatremia. The studies involved 18 patients aged 69.8 +/- 5.9 years with hyponatremia of 126.8 +/- 2.7 mmol/L. ⋯ Mortality rate in case of DH2o supplementation below 30% during the first 24 hours is about 66%., if DH2o supplementation is 31-60%, a mortality rate is 63%, and in DH2o supplementation over 60% mortality rate is 100%. The obtained results suggest that hypernatremia in the elderly is related to the high mortality rate (65%). An early decrease of water deficit increases mortality rate in patients with hypernatremia.