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[Preeclampsia and tubular dysfunction].

A Yoshida, K Morozumi, I Shinmura

    Nihon Sanka Fujinka Gakkai Zasshi
    |January 1, 1987
    PubMed
    Summary
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    Tubular dysfunction is evident in normal pregnancy during the third trimester and significantly worsens with severe preeclampsia. Specific markers indicate critical levels for fetal prognosis in preeclamptic pregnancies.

    Area of Science:

    • Nephrology
    • Obstetrics
    • Perinatology

    Context:

    • Renal involvement in preeclampsia is well-studied, focusing on glomerular and coagulation aspects.
    • Tubular dysfunction during pregnancy, especially with preeclampsia, is less investigated.
    • This study addresses the gap by examining chronological changes and preeclampsia-related tubular dysfunction.

    Purpose:

    • To clarify and estimate chronological changes in renal tubular function during normal pregnancy.
    • To determine the significance of renal tubular dysfunction in severe preeclampsia.
    • To identify critical markers for fetal prognosis in preeclamptic pregnancies.

    Summary:

    • Renal tubular function was assessed using serum chloride (Cl), sodium-minus-chloride index (Na-Cl index), uric acid, and urinary beta-2-microglobulin (u-beta-MG).

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  • Tubular dysfunction was observed during the third trimester in normal pregnancy and was significantly more pronounced in severe preeclampsia.
  • Critical levels for Cl, Na-Cl index, uric acid, and u-beta-MG were identified for predicting fetal outcomes in preeclampsia.
  • Impact:

    • Highlights the prevalence of tubular dysfunction in late normal pregnancy.
    • Demonstrates a significant exacerbation of tubular dysfunction in severe preeclampsia.
    • Provides key biochemical markers for assessing fetal risk in preeclamptic pregnancies.