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  • Title: A prospective study of early-pregnancy plasma malondialdehyde concentration and risk of preeclampsia.
    Author: Rudra CB, Qiu C, David RM, Bralley JA, Walsh SW, Williams MA.
    Journal: Clin Biochem; 2006 Jul; 39(7):722-6. PubMed ID: 16603146.
    Abstract:
    OBJECTIVES: Preeclampsia is associated with elevated plasma malondialdehyde concentration, but prospective data are scarce. We examined the relation between early-pregnancy plasma malondialdehyde and subsequent preeclampsia risk. DESIGN AND METHODS: In a nested case-control analysis, we measured malondialdehyde concentrations in 22 women who developed preeclampsia and 711 who remained normotensive during pregnancy. We calculated adjusted odds ratios (OR) and 95% confidence intervals (CI). We repeated analyses after adjustment for early-pregnancy plasma lipid concentrations, which are related to preeclampsia risk and lipid peroxidation measures. RESULTS: After adjustment for confounders, preeclampsia risk increased across tertiles of malondialdehyde concentration (trend P = 0.04). Further adjustment for triglyceride concentration slightly strengthened the association. Middle- and high-tertile malondialdehyde ORs were 3.2 (CI 0.8-12.2) and 4.2 (1.1-16.0) versus low-tertile exposure. CONCLUSIONS: Early-pregnancy plasma malondialdehyde concentration is positively associated with subsequent preeclampsia risk independent of plasma lipid concentrations. These results support lipid peroxidation as an etiologic component of preeclampsia.
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