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  • Title: [Excretion of uric aid, sodium, and potassium in preeclampsia patients and its behavior in acute hyperglycemia-hyperinsulinemia].
    Author: Martínez-Abundis E, González-Ortiz M, Grover-Páez F, Vera-Hernández A.
    Journal: Ginecol Obstet Mex; 1999 Dec; 67():590-4. PubMed ID: 10692810.
    Abstract:
    The aim of the present research was to compare the uric acid, sodium and potassium excretions among patients with mild preeclampsia and normotensive pregnancy and to determine their behavior towards an acute physiologic state of hyperglycemia-hyperinsulinemia. It was carried out a cuasi-experimental study with parallel group in 25 patients with mild preeclampsia and in 25 patients with normotensive pregnancy all of them in the third trimester of gestation. The intervention consisted in administering an oral load of 50 grams of glucose in order to achieve a physiologic state of hyperglycemia-hyperinsulinemia. The seric levels of glucose, insulin, creatine, uric acid, sodium and potassium were measured, as well as the last four in urine before the oral load (with at least 6 hours fasting) and 60 minutes after the load, besides that, the urinary excretions of solutes were calculated with standard formulas. The urinary excretions of uric acid, sodium and potassium in fasting, and so after the oral glucose load were lower in the group of preeclampsia patients than in the normotensive gestation group. Upon analyzing the influence of a physiologic state of hyperglycemia-hyperinsulinemia, after the oral glucose load on determined solutes and their urinary excretion, we found that there was a significant decrease in the seric potassium level, without modifying its urinary excretion, as much as in the preeclampsia group as in the normotensive group. The seric uric acid and sodium levels diminished in the preeclampsia group and in normotensive group respectively, without modifying their urinary excretion. In conclusion, in the current study the urinary excretion of sodium, potassium and uric acid were lower in the preeclampsia patients than the women with normotensive pregnancy and a physiologic state of hyperglycemia-hyperinsulinemia didn't modify these excretions.
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