Rheumatology Advance Access originally published online on December 24, 2008
Rheumatology 2009 48(3):246-249; doi:10.1093/rheumatology/ken458
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Pregnancy outcome in systemic lupus erythematosus complicated by anti-phospholipid antibodies
1Department of Gynaecology, Perinatology and Human Reproduction and 2Department of Biomedicine, Division of Rheumatology AOUC, Denothe Centre, University of Florence, Florence, Italy.
Correspondence to: A. Pieralli, Department of Gynaecology, Perinatology and Human Reproduction, University of Florence, Viale Morgagni, 85 50134-Firenze, Italy. E-mail: pierallannalisa{at}virgilio.it
| Abstract |
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Objective. Pregnant women affected by SLE are at high risk of gestational hypertension and pre-eclampsia (32–50%). This risk is particularly elevated if aPLs are dosable. The present study was planned to evaluate maternal–fetal outcomes of different groups of SLE pregnant patients characterized by diverse risk factors: patients affected by APS treated with a combination of low-dose aspirin (LDA) and low-molecular weight heparin (LMWH), nulliparous patients with dosable aPL treated by LMWH and SLE patients with no aPL administered no treatment during pregnancy.
Methods. A retrospective description of maternal and fetal outcomes was made in a total of 62 pregnancies presenting APS in 8 cases (12.9%), aPL in 20 (32.2%) and no aPL in 34 (54.8%).
Results. No statistically significant difference was found comparing fetal and maternal outcomes of the three groups despite differences in SLE activity: SLE aPL-positive pregnancies were associated with a higher incidence of nephritis and chronic hypertension than pregnancies treated for APS or not presenting with the added risk factor. The incidence of pre-eclampsia is 15% in aPL positive, 12.5% in APS and 14.7% in no aPL pregnancies, respectively.
Conclusions. LMWH is rather a possible option of prophylaxis for SLE aPL-positive pregnancies with potential maternal–fetal outcomes similar to aPL-negative patients or to standard treated APS.
KEY WORDS: Systemic lupus erythematosus, Activity, Anti-phospholipid antibodies, Anti-phospholipid syndrome, Pregnancy, Pregnancy outcome, Gestational hypertension, Pre-eclampsia, Low molecular weight, Heparin
Submitted 31 July 2008;
revised version accepted 18 November 2008.
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