Abstract:
OBJECTIVE:To investigate the predictive value of serum C3 and C4 complement component levels in relation to pregnancy outcome in patients with antiphospholipid syndrome (APS). MATERIALS AND METHODS:A prospective study of 47 pregnancies associated with APS was performed. Pregnancy outcome was analyzed in terms of: fetal loss, preterm delivery (≤34 gestational weeks), fetal intrauterine growth restriction (IUGR), birth weight <2500 g and preeclampsia. Week at delivery, neonatal birth weight and neonatal birth weight percentile were also investigated. Hypocomplementemia, positivity for anti-dsDNA and triple positivity for antiphospholipid antibodies (aPL) were related to pregnancy outcome. RESULTS:Forty-three pregnancies ended in live births with a fetal loss rate of 8.5%. Fetal death, preterm delivery and birth weight <2500 g were associated with hypocomplementemia (p = 0.019, p = 0.0002, p < 0.0001 respectively). Lower neonatal birth weight, lower neonatal birth weight percentile and lower week at delivery were associated with hypocomplementemia (p < 0.0001, p = 0.0003, p < 0.0001 respectively) and with triple aPL positivity (p = 0.008, p = 0.014, p = 0.03 respectively). A poor pregnancy outcome was confirmed among primary APS (PAPS) pregnancies with hypocomplementemia. Multivariate analysis confirmed that hypocomplementemia was an independent predictor of lower neonatal birth weight (p = 0.0001) and lower week at delivery (p = 0.002). CONCLUSION:Hypocomplementemia could be considered a novel prognostic factor for pregnancy outcome in APS patients.
journal_name
Lupusjournal_title
Lupusauthors
De Carolis S,Botta A,Santucci S,Salvi S,Moresi S,Di Pasquo E,Del Sordo G,Martino Cdoi
10.1177/0961203312444172subject
Has Abstractpub_date
2012-06-01 00:00:00pages
776-8issue
7eissn
0961-2033issn
1477-0962pii
21/7/776journal_volume
21pub_type
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