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  • Title: Utility of a single mid-trimester measurement of plasminogen activator Type 1 and fibronectin to predict preeclampsia in pregnancy.
    Author: Ajibola SO, Adeyemo TA, Afolabi BB, Akanmu AS.
    Journal: Niger Med J; 2016; 57(4):213-6. PubMed ID: 27630384.
    Abstract:
    BACKGROUND: Preeclampsia (PE) is the second most common cause of maternal death after obstetric hemorrhage in Africa, a resource-limited region. This study was designed to examine the potential usefulness of a single screening plasma plasminogen activator inhibitor-1 (PAI-1) and fibronectin (FN) level for the prediction of PE in pregnant women. MATERIALS AND METHODS: In a cohort of 180 pregnant women who were normotensive at baseline, venous blood samples were obtained before 20 weeks of gestation for the assay of plasma levels of PAI-1 and FN levels measured by enzyme-linked immunoassay technique. Twenty nonpregnant normotensive women were also evaluated as a control group. Outcomes of gestation were evaluated and correlated with the plasma levels of PAI and FN measured at mid-trimester. Mean plasma values of PAI-1 and FN were also compared between the different outcome groups. RESULTS: Plasma PAI-1 level was significantly higher in the pregnant women (8.68 ± 0.56 ng/ml) than in nonpregnant controls (5.55 ± 0.32 ng/ml) (P = 0.01). However, plasma FN did not show any significant difference in pregnant women (2.60 ± 0.37 μg/ml) and nonpregnant controls (2.60 ± 0.23 μg/ml) (P = 0.9). Mid-trimester mean plasma PAI-1 level measured in women who developed PE (7.08 ± 5.49 ng/ml, n = 12) and gestational hypertension (GH) (9.78 ± 6.2 ng/ml, n = 13) was not significantly different in comparison to normotensive pregnant women (8.78 ± 5.63 ng/ml, n = 153) (P = 0.75). Likewise, the mean FN level in women who developed PE was also not significantly different from nonpreeclamptics; however, the FN level in the pregnant women who developed GH was significantly different from women who remained normotensive throughout pregnancy (P = 0.02). CONCLUSION: Single mid-trimester assessment of PAI-1 and FN levels in maternal plasma was not found to be useful in predicting PE as an outcome of pregnancy in the study population.
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