Lupus & antiphospholipid syndrome

The correlation between pregnancy, disease activity and adverse pregnancy outcomes in patients with systemic lupus erythematosus

LupusPublished Cohort study

Authors' conclusion

Postpartum six-month period appears to have the highest risk for disease flares during SLE pregnancies. Disease activity during pregnancy increases the risk of APO.

Study context

Population
Pregnant patients with systemic lupus erythematosus (SLE) under surveillance of Rheumatology and Obstetrics departments
Participants
136 patients168 pregnancies
Exposure
Adverse pregnancy outcomes (APO)+ vs APO-
Outcome
Effects of pregnancy on disease activity (SLEDAI-2K pre/postpartum, SLEPDAI per trimester) and correlation between flares and APO

Main finding

As reported in the abstract

Pregnancies with flares (pregnancy and 6 months postpartum)
60 (35.7%)
Mean SLEDAI in 6 months postpartum significantly higher than during pregnancy
p < .05
APO observed
33.9%

Observational data: associations, not effects.

Further findings

Mean

OutcomeAPO+APO-P value
Mean SLEPDAI score, APO+ vs APO-4.9 (SD 6.1)2.8 (SD 4.9)P = 0.002
SLICC damage score, APO+ vs APO-1.8 (SD 2.1)0.8 (SD 1.3)P = 0.001
Severe postpartum flares by LLDAS during pregnancyLLDAS vs Not in LLDASP < 0.05
  • Severe postpartum flares by lupus low disease activity state (LLDAS) during pregnancy: LLDAS 11%
  • Severe postpartum flares by LLDAS during pregnancy: Not in LLDAS 29%

Pregnancies in LLDAS during pregnancy

In LLDAS during pregnancy
132 (78.6%)

Original publication

The correlation between pregnancy, disease activity and adverse pregnancy outcomes in patients with systemic lupus erythematosus. Lupus. Published 19 October 2023. doi:10.1177/09612033231208844

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