The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2019
Pregnancy outcomes in women with primary systemic vasculitis: a retrospective study.
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Nguyen Vanessa, Wuebbolt Danielle, Pagnoux Christian, D'Souza Rohan
Аннотация
BACKGROUND/AIMS: Pregnancies in women with systemic vasculitis constitute high-risk pregnancies, and outcomes vary based on the size of the affected blood vessels. Currently, there is limited data describing pregnancy outcomes in these women. The aim of this paper is to evaluate pregnancy outcomes in women with large, medium, or small vessel vasculitis to aid preconceptional counseling and inform antepartum and intrapartum care.
METHODS: We included all women with large-, medium-, or small-vessel vasculitis and documented pregnancies attending high-risk pregnancy clinics at Mount Sinai Hospital, Toronto, Canada between 2001 and 2016. Pregnancy characteristics and outcomes were reported as proportions. Maternal, fetal/neonatal, and obstetric outcomes, stratified by type of vasculitis, were the main outcomes measured.
RESULTS: We identified 60 pregnancies in 50 women with systemic vasculitis. These included large-vessel (n = 10), medium-vessel (n = 5), small-vessel [n = 30, of which 16 were AntiNeutrophil Cytoplasmic Autoantibody (ANCA)-associated and 14 were immune-complex mediated], central nervous system (n = 3), and retinal (n = 2). Although vasculitis flares occurred with large-vessel (3/12), small-vessel (13/36), and retinal (2/3) vasculitis, only one was severe and involved hemoptysis requiring blood transfusion in a woman with ANCA-associated vasculitis. Preeclampsia complicated two pregnancies each with large- (25%) and small- (6%) vessel vasculitis. Intrauterine growth restriction (IUGR) only occurred with small-vessel vasculitis (10, 29.4%). Although seven (26.4%) viable pregnancies resulted in preterm birth, the mean gestational age was over 35 weeks.
CONCLUSION: Although women with systemic vasculitis can have successful pregnancies, they are at increased risk for late preterm birth. In addition, those with small-vessel vasculitis are at increased risk for IUGR and vasculitis flares.
METHODS: We included all women with large-, medium-, or small-vessel vasculitis and documented pregnancies attending high-risk pregnancy clinics at Mount Sinai Hospital, Toronto, Canada between 2001 and 2016. Pregnancy characteristics and outcomes were reported as proportions. Maternal, fetal/neonatal, and obstetric outcomes, stratified by type of vasculitis, were the main outcomes measured.
RESULTS: We identified 60 pregnancies in 50 women with systemic vasculitis. These included large-vessel (n = 10), medium-vessel (n = 5), small-vessel [n = 30, of which 16 were AntiNeutrophil Cytoplasmic Autoantibody (ANCA)-associated and 14 were immune-complex mediated], central nervous system (n = 3), and retinal (n = 2). Although vasculitis flares occurred with large-vessel (3/12), small-vessel (13/36), and retinal (2/3) vasculitis, only one was severe and involved hemoptysis requiring blood transfusion in a woman with ANCA-associated vasculitis. Preeclampsia complicated two pregnancies each with large- (25%) and small- (6%) vessel vasculitis. Intrauterine growth restriction (IUGR) only occurred with small-vessel vasculitis (10, 29.4%). Although seven (26.4%) viable pregnancies resulted in preterm birth, the mean gestational age was over 35 weeks.
CONCLUSION: Although women with systemic vasculitis can have successful pregnancies, they are at increased risk for late preterm birth. In addition, those with small-vessel vasculitis are at increased risk for IUGR and vasculitis flares.