Sjögren's disease & overlap diseases

Increased risk of adverse gestational outcomes in pregnant women with primary Sjögren’s syndrome

RMD OpenPublished Retrospective cohort study

Authors' conclusion

Compared with non-autoimmune controls, pregnancy in women with pSS presents more challenges. Importantly, we observed that the use of LMWH as anticoagulant therapy is an independent protective measure for fetal survival.

Study context

Population
Pregnant individuals with primary Sjögren's syndrome (pSS) receiving outpatient or inpatient care across multiple hospitals in Anhui Province, China, January 2015 to December 2022
Participants
164 vs 328
Exposure
Pregnant women with pSS vs control subjects
  • pSSn = 164
  • Controln = 328reference
Outcome
Spontaneous miscarriage
Methodological detailsmulticentre
  • Multicentre

Main finding

As reported in the abstract

P < 0.001

Observational data: associations, not effects.

Further findings

Therapeutic miscarriage

P < 0.05

Placental abnormalities on prenatal US

P < 0.05

Congenital heart abnormalities in live-born neonates

P < 0.05

Fetal survival vs fetal loss within pSS pregnancies

Greater use of prophylactic anticoagulant therapy in the fetal survival group
Low molecular weight heparin (LMWH) an independent protective factor for fetal survival

Original publication

Increased risk of adverse gestational outcomes in pregnant women with primary Sjögren’s syndrome. RMD Open. Published 28 May 2024. doi:10.1136/rmdopen-2023-003616

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