Pathological uterine perfusion in the second trimester is not associated with neutrophil activation.

Abstract:

OBJECTIVE:Preeclampsia and intrauterine growth retardation (IUGR) are associated with elevated concentrations of myeloperoxidase (MPO) and polymorphonuclear (PMN) elastase, which indicate maternal neutrophil activation. The aim of the study was to measure maternal MPO and PMN elastase plasma concentrations in second trimester pregnancies with pathological uterine perfusion that are a high risk group for preeclampsia and IUGR, and compare them to normal controls. METHODS:The study includes 25 pregnancies with normal and 25 pregnancies with pathological uterine perfusion. In both groups, doppler-sonographic measurement of uterine perfusion was performed in the twenty-first week of gestation. Maternal plasma concentrations of MPO and PMN elastase were measured using a specific ELISA for both enzymes. RESULTS:The plasma MPO concentration of pregnant women with normal perfusion did not differ significantly from that of the group with pathological perfusion (27.4 +/- 3.3 vs. 23.7 +/- 2.0 ng/mL). Likewise, the plasma PMN elastase-concentration also did not show a significant difference between the groups (5.7 +/- 0.5 ng/mL normal vs. 8.0 +/- 1.0 ng/mL pathological). Patients with pathological perfusion that later developed preeclampsia or IUGR (9/25) showed unchanged MPO and PMN elastase values in the second trimenon compared to those with pathological perfusion and normal outcome. CONCLUSIONS:Pathological uterine perfusion in the second trimester was not associated with maternal neutrophil activation. The measurement of the MPO and PMN elastase concentration suggested that neutrophil activation in preeclampsia or IUGR is a secondary effect of the disease rather than a primary pathophysiological factor.

journal_name

Hypertens Pregnancy

authors

Stepan H,Heihoff-Klose A,Faber R

doi

10.1081/PRG-120024027

keywords:

subject

Has Abstract

pub_date

2003-01-01 00:00:00

pages

239-45

issue

3

eissn

1064-1955

issn

1525-6065

pii

120024027

journal_volume

22

pub_type

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