668: Are maternal and neonatal outcomes worse in women with positive HCV antibody screening in pregnancy?

IntroductionRecent evidence from the USA and Nordic countries suggests a possible association between psychostimulant use during gestation and adverse pregnancy and birth outcomes. Objectives and ApproachWe employed a distributed cohort analysis using linked administrative data for women who gave birth in New South Wales (NSW; Australia) and Ontario (Canada), whereby a common protocol was implemented separately in each jurisdiction. The study population comprised women who were hospitalized for a singleton delivery over an 8 (NSW) and 4 (Ontario) year period, respectively, with the NSW cohort restricted to social security beneficiaries. Psychostimulant exposure was defined as at least one dispensing of methylphenidate, amphetamine, dextroamphetamine or lisdexamfetamine during pregnancy. We examined the risk of maternal and neonatal outcomes among psychostimulant exposed mothers compared with unexposed mothers. ResultsThere were 140,356 eligible deliveries in NSW and 449,499 in Ontario during the respective study periods. Fewer than 1% of these pregnancies were exposed to psychostimulants during gestation, although use was higher in Ontario (0.30% vs 0.11% in NSW). Preliminary unadjusted analyses indicated possible associations between psychostimulant use in pregnancy and higher risks of pre-term birth (relative risk [RR] 1.7, 95% confidence interval [CI] 1.4-2.0 (Ontario); RR 1.8, 95% CI 1.2-2.6 (NSW)) and pre-eclampsia (RR 2.0, 95% CI 1.5-2.6 (Ontario); RR 2.0, 95% CI 1.2-3.5 (NSW)). Similarly, psychostimulant use was associated with higher risks of low birthweight (RR 1.6, 95% CI 1.3-1.9 (Ontario); RR 2.0, 95% CI 1.3-3.0 (NSW)) and admission to neonatal intensive care (RR 2.1, 95% CI 1.9-2.3 (Ontario); RR 1.5, 95% CI 1.1-1.9 (NSW)). Conclusion / ImplicationsUnadjusted analyses indicate an increased risk of adverse maternal and birth outcomes associated with psychostimulant exposure during pregnancy, potentially representing a placental effect. We are currently refining the analyses, employing propensity score methods to adjust for confounding.

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A Population-level Analysis of the Differing Effects of Rheumatoid Arthritis and Spondyloarthritis on Peripartum Outcomes

The Journal of Rheumatology ◽

10.3899/jrheum.181320 ◽

2019 ◽

Vol 47 (2) ◽

pp. 197-203 ◽

Cited By ~ 3

Author(s):

Stephanie O. Keeling ◽

Samantha L. Bowker ◽

Anamaria Savu ◽

Padma Kaul

Keyword(s):

Rheumatoid Arthritis ◽

Pregnant Women ◽

Population Level ◽

Nonsteroidal Antiinflammatory Drugs ◽

Neonatal Outcomes ◽

Hypertensive Disorder ◽

Antiinflammatory Drugs ◽

Hypertensive Disorders ◽

Maternal And Neonatal Outcomes ◽

In Pregnancy

Objective.The effects of rheumatoid arthritis (RA) and spondyloarthritis (SpA) on maternal and neonatal outcomes at a population level have not previously been well compared.Methods.A contemporary pregnancy cohort of 312,081 women and corresponding birth events was assembled for the province of Alberta from the random selection of 1 live birth event per woman. We identified 3 groups: (1) no inflammatory arthritis (no IA, n = 308,989), (2) RA (n = 631), and (3) SpA (n = 2461). We compared maternal and neonatal outcomes, comorbid conditions, and medication use among the 3 groups. Multivariable logistic regression models evaluated the independent association between RA and SpA, relative to no IA, and the outcomes of small for gestation age (SGA) and hypertensive disorders during pregnancy.Results.Pregnant women with RA were significantly more likely to have preterm delivery (13.5%), cesarean delivery (33.9%), hypertensive disorders in pregnancy (10.5%), and SGA babies (15.6%), compared to pregnant women with either SpA or no IA. Nonsteroidal antiinflammatory drugs and corticosteroid use were significantly higher in pregnant women with RA compared to the other groups. Women with RA were significantly more likely to have an SGA baby (OR 1.51, 95% CI 1.21–1.88; p < 0.01), and hypertensive disorder in pregnancy (OR 1.51, 95% CI 1.16–1.97; p < 0.01), compared to women with no IA, while no difference was found between women with SpA and those with no IA.Conclusion.Women with RA have a higher risk of worse maternal and neonatal outcomes, whereas the risk of these events is similar between women with and without SpA.

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