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BJOG. 2002 Jul;109(7):759-64.

Absence of enhanced systemic inflammatory response at 18 weeks of gestation in women with subsequent pre-eclampsia.

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  • 1Institute of Medical Genetics, University of Oslo, Norway.

Abstract

OBJECTIVE:

To compare indicators of systemic inflammatory response in the second trimester in women who developed pre-eclampsia with normal pregnancies.

DESIGN:

Prospective nested case control study derived from a cohort of 2190 pregnant women. Blood samples were obtained at 18 weeks of gestation. The following inflammatory parameters were measured: tumour necrosis factor-alpha (TNF-alpha), plasminogen activator inhibitor-1 (PAI-1), interleukin-1beta (IL-1beta), IL-6, IL-10, microCRP and tissue factor (TF).

SETTING:

Institute of Medical Genetics, University of Oslo, and Department of Medical Genetics, UllevÄl University Hospital and Departments of Obstetrics and Gynecology, Aker University Hospital, Oslo, Norway.

SAMPLE:

The cases were 71 women who subsequently developed pre-eclampsia. The controls were 71 healthy, pregnant women matched for age, parity and first trimester body mass index (BMI).

METHODS:

Venous blood was drawn from fasting subjects into 5 mL test tubes containing EDTA. Samples were analysed for inflammatory parameters: IL-1-beta, IL-6, IL-10, TNF-alpha, PAI-1, TF (ELISA-technique) and CRP (latex-enhanced immunonephelometric assay), strictly according to the manufacturer's recommendation.

MAIN OUTCOME MEASURES:

The matched case and control subjects were compared by the paired two-tailed Wilcoxon signed rank test. All P values were two-tailed and P < 0.05 was deemed statistically significant.

RESULTS:

We found no differences in plasma concentrations of PAI-1, IL-1beta, IL-6,IL-10, microCRP, TNF-alpha or TF at 18 weeks of gestation between women who subsequently developed pre-eclampsia and matched control women.

CONCLUSION:

In contrast to findings from women with overt pre-eclampsia, the present study indicates that there are no indications of intensified systemic inflammatory response at 18 weeks of gestation in women who later develop pre-eclampsia.

PMID:
12135211
[PubMed - indexed for MEDLINE]
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