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Eur J Obstet Gynecol Reprod Biol. 1998 Sep;80(1):49-54.

Low-molecular-weight heparin combined with aspirin in pregnant women with thrombophilia and a history of preeclampsia or fetal growth restriction: a preliminary study.

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1
Department of Obstetrics and Gynecology, Free University Hospital, Amsterdam, The Netherlands.

Abstract

OBJECTIVE:

To assess the prevalence of haemostatic abnormalities in patients with an obstetric history of preeclampsia and/or fetal growth restriction and documented thrombophilia, and to evaluate the effects of low-molecular-weight heparin (LMWH) and aspirin on pregnancy outcome.

METHOD:

A total of 276 patients with a history of preeclampsia and/or fetal growth restriction were tested for the presence of coagulation abnormalities and anticardiolipin antibodies (ACA). Ninety patients with preeclampsia and 15 patients with isolated fetal growth restriction had haemostatic abnormalities. Twenty-six patients with coagulation abnormalities: protein S-deficiency, activated protein C (APC) resistance and/or > or =15 ACA GPL and/or MPL had a subsequent pregnancy and were treated with aspirin in combination with LMWH. Their pregnancy outcome was compared with all patients having a subsequent pregnancy from the same cohort without abnormalities, or <15 ACA GPL and/or MPL who received aspirin (n=19).

RESULTS:

In subsequent pregnancies birth weight of babies born to patients with an unequivocal coagulation abnormality (i.e., protein S-deficiency, APC resistance, or ACA titres > or =15 GPL and/or MPL), were higher than in the group with no disorders or <15 ACA GPL and/or MPL (P=0.019).

CONCLUSIONS:

In this preliminary study, LMWH appears to have a favourable effect on the pregnancy outcome of women with a history of preeclampsia and/or fetal growth restriction and documented thrombophilia. Randomised trials are required.

PMID:
9758259
[Indexed for MEDLINE]
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