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Rheumatology (Oxford). 2015 Sep;54(9):1582-6. doi: 10.1093/rheumatology/kev018. Epub 2015 Mar 31.

Pregnancy outcome in patients with systemic vasculitis: a single-centre matched case-control study.

Author information

1
The Lupus Research Unit, The Rayne Institute, St Thomas' Hospital.
2
Women's Academic Health Centre, St Thomas' Hospital, Kings College London, Guys and St Thomas' NHS Foundation Trust and.
3
Peter Gorer Department of Immunobiology, King's College London School of Medicine, Guy's Hospital, London, UK.
4
The Lupus Research Unit, The Rayne Institute, St Thomas' Hospital, david.d'cruz@kcl.ac.uk.

Abstract

OBJECTIVE:

To study the outcome of pregnancy in patients with systemic vasculitis (SV) compared with age-, BMI- and ethnicity-matched healthy pregnant controls.

METHODS:

Fifty-one pregnancies in 29 SV patients were retrospectively studied. There were nine patients with granulomatosis with polyangiitis (GPA), three with eosinophilic GPA, seven with Takayasu's arteritis, two with ANCA-positive vasculitis with renal involvement, two with Behçet's disease, three with urticarial vasculitis, one with primary cerebral vasculitis, one with relapsing polychondritis and one with IgA vasculitis. BVAS and the vasculitis damage index were evaluated retrospectively. Sixty-two healthy women with 156 pregnancies matched in a 2:1 ratio for age, BMI and ethnicity formed the control group.

RESULTS:

Median gestational age at delivery was lower in the SV group: 36 weeks and 2 days (34-42) vs controls 40 (37-42) weeks (P < 0.03). Median birth weight in the SV group was 3.0 kg (2.0-5.2), whereas that of the controls was 3.5 (2.28-4.32) kg (P = 0.004). The median customized birth weight centile was 38.6 in the SV group and 37.2 in the control group. In the SV group, 9 patients had 13 miscarriages, 3 had pre-eclampsia, and 2 had an intrauterine death. In the control group, 20 patients had 27 miscarriages, 1 had pre-eclamptic toxaemia, and 1 had an antepartum haemorrhage. Eight patients with SV flared during pregnancy and 11 flared after delivery.

CONCLUSION:

Patients with SV had a lower median gestational age, but customized birth weights were similar to those of healthy women. Women with SV may flare during pregnancy and the post-partum period and may experience significant pregnancy morbidity.

KEYWORDS:

Birmingham vasculitis activity index; pregnancy outcome; systemic vasculitis; vasculitis damage index

PMID:
25832613
DOI:
10.1093/rheumatology/kev018
[Indexed for MEDLINE]

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