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Women with psoriatic arthritis and ankylosing spondylitis generally have favorable pregnancy outcomes, but high disease activity during pregnancy could increase the risk of adverse labor and delivery outcomes, according to 2004-2018 data from the Organization of Teratology Information Specialists (OTIS) Autoimmune Disease Project.
Corticosteroid use further increased risk for preterm delivery among women with ankylosing spondylitis.
While more research is needed, these findings suggest that better obstetric outcomes might be achieved via better disease control and minimal use of corticosteroids, according to Chelsey J. F. Smith, MD, of the University of California, San Diego, and colleagues.
“Future studies are needed to confirm the novel findings seen in our study, as well as to continue to analyze the effect of different disease activity measures and medication use on pregnancy outcomes in these two chronic conditions,” Dr. Smith and coauthors said in a report on the study in Arthritis Care and Research.
Many women affected by psoriatic arthritis and ankylosing spondylitis are of child-bearing age and consider planning a family, according to the researchers. Data on pregnancy outcomes are lacking, they said, “often making it difficult for rheumatologists and obstetricians to counsel their patients effectively.”
The study from Dr. Smith and coinvestigators comprised 963 women who enrolled in the OTIS prospective cohort study within 20 weeks of gestation and delivered at least one live-born infant. Of that cohort, 129 had ankylosing spondylitis, 117 had psoriatic arthritis, and the remaining 717 served as a control group.
Psoriatic arthritis conferred an 81% increased risk for moderate preterm delivery at 32-36 weeks gestation, compared with healthier women, 13.7% and 7.7% respectively. Risk was increased among women with psoriatic arthritis for preterm labor, 16.2% and 8.4% (adjusted risk ratio, 2.05, 95% confidence interval, 1.21-3.48), caesarean delivery, 48.7% and 26.2% (aRR, 1.63, 95% CI, 1.26-2.12), and oligohydramnios, 25% and 11% (aRR, 3.79, 95% CI, 1.34-10.74). Women with psoriatic arthritis were 2 years older on average and their average body mass index was 27 kg/m2 vs. 24.5 kg/m2 in the control group.
In women with ankylosing spondylitis, risk of infant hospitalization in the neonatal intensive care unit was increased by 67%, 17.2% vs. 11.9% in the control group.
Active disease measured by the Health Assessment Questionnaire (HAQ) or Routine Assessment of Patient Index Data 3 (RAPID3) was linked to increased risk of adverse obstetric outcomes in some cases, the investigators said.
For example, risk of preterm delivery was increased in women with psoriatic arthritis who had active disease at 32 weeks as measured by HAQ (27 women) and RAPID3 (28 women) scores, while in ankylosing spondylitis, active disease measured at intake by RAPID3 (46 women) was associated with increased risk of caesarean delivery.
Medication use in women with psoriatic arthritis was not associated with increased preterm delivery risk. However, women with ankylosing spondylitis who used corticosteroids in the second trimester had an increased risk of preterm delivery.
The rate of corticosteroid use was “surprisingly high” at 38% among the women with ankylosing spondylitis, Dr. Smith and coinvestigators said.
“The 2016 American College of Rheumatology guidelines in fact recommend against the use of systemic corticosteroids for the treatment of ankylosing spondylitis, with the exception of short-term treatment with rapid tapering in circumstances such as flares during pregnancy, flares of concomitant inflammatory bowel disease, or flare of peripheral arthritis,” they said in their report.
Dr. Smith and coauthors reported no conflicts of interest. The OTIS Collaborative Research Group has received research funding from AbbVie, Amgen, Bristol-Myers Squibb, Janssen, Pfizer, and others.
SOURCE: Smith CJF et al. Arthritis Care Res. 2019 May 10. doi: 10.1002/acr.23924.
Women with psoriatic arthritis and ankylosing spondylitis generally have favorable pregnancy outcomes, but high disease activity during pregnancy could increase the risk of adverse labor and delivery outcomes, according to 2004-2018 data from the Organization of Teratology Information Specialists (OTIS) Autoimmune Disease Project.
Corticosteroid use further increased risk for preterm delivery among women with ankylosing spondylitis.
While more research is needed, these findings suggest that better obstetric outcomes might be achieved via better disease control and minimal use of corticosteroids, according to Chelsey J. F. Smith, MD, of the University of California, San Diego, and colleagues.
“Future studies are needed to confirm the novel findings seen in our study, as well as to continue to analyze the effect of different disease activity measures and medication use on pregnancy outcomes in these two chronic conditions,” Dr. Smith and coauthors said in a report on the study in Arthritis Care and Research.
Many women affected by psoriatic arthritis and ankylosing spondylitis are of child-bearing age and consider planning a family, according to the researchers. Data on pregnancy outcomes are lacking, they said, “often making it difficult for rheumatologists and obstetricians to counsel their patients effectively.”
The study from Dr. Smith and coinvestigators comprised 963 women who enrolled in the OTIS prospective cohort study within 20 weeks of gestation and delivered at least one live-born infant. Of that cohort, 129 had ankylosing spondylitis, 117 had psoriatic arthritis, and the remaining 717 served as a control group.
Psoriatic arthritis conferred an 81% increased risk for moderate preterm delivery at 32-36 weeks gestation, compared with healthier women, 13.7% and 7.7% respectively. Risk was increased among women with psoriatic arthritis for preterm labor, 16.2% and 8.4% (adjusted risk ratio, 2.05, 95% confidence interval, 1.21-3.48), caesarean delivery, 48.7% and 26.2% (aRR, 1.63, 95% CI, 1.26-2.12), and oligohydramnios, 25% and 11% (aRR, 3.79, 95% CI, 1.34-10.74). Women with psoriatic arthritis were 2 years older on average and their average body mass index was 27 kg/m2 vs. 24.5 kg/m2 in the control group.
In women with ankylosing spondylitis, risk of infant hospitalization in the neonatal intensive care unit was increased by 67%, 17.2% vs. 11.9% in the control group.
Active disease measured by the Health Assessment Questionnaire (HAQ) or Routine Assessment of Patient Index Data 3 (RAPID3) was linked to increased risk of adverse obstetric outcomes in some cases, the investigators said.
For example, risk of preterm delivery was increased in women with psoriatic arthritis who had active disease at 32 weeks as measured by HAQ (27 women) and RAPID3 (28 women) scores, while in ankylosing spondylitis, active disease measured at intake by RAPID3 (46 women) was associated with increased risk of caesarean delivery.
Medication use in women with psoriatic arthritis was not associated with increased preterm delivery risk. However, women with ankylosing spondylitis who used corticosteroids in the second trimester had an increased risk of preterm delivery.
The rate of corticosteroid use was “surprisingly high” at 38% among the women with ankylosing spondylitis, Dr. Smith and coinvestigators said.
“The 2016 American College of Rheumatology guidelines in fact recommend against the use of systemic corticosteroids for the treatment of ankylosing spondylitis, with the exception of short-term treatment with rapid tapering in circumstances such as flares during pregnancy, flares of concomitant inflammatory bowel disease, or flare of peripheral arthritis,” they said in their report.
Dr. Smith and coauthors reported no conflicts of interest. The OTIS Collaborative Research Group has received research funding from AbbVie, Amgen, Bristol-Myers Squibb, Janssen, Pfizer, and others.
SOURCE: Smith CJF et al. Arthritis Care Res. 2019 May 10. doi: 10.1002/acr.23924.
Women with psoriatic arthritis and ankylosing spondylitis generally have favorable pregnancy outcomes, but high disease activity during pregnancy could increase the risk of adverse labor and delivery outcomes, according to 2004-2018 data from the Organization of Teratology Information Specialists (OTIS) Autoimmune Disease Project.
Corticosteroid use further increased risk for preterm delivery among women with ankylosing spondylitis.
While more research is needed, these findings suggest that better obstetric outcomes might be achieved via better disease control and minimal use of corticosteroids, according to Chelsey J. F. Smith, MD, of the University of California, San Diego, and colleagues.
“Future studies are needed to confirm the novel findings seen in our study, as well as to continue to analyze the effect of different disease activity measures and medication use on pregnancy outcomes in these two chronic conditions,” Dr. Smith and coauthors said in a report on the study in Arthritis Care and Research.
Many women affected by psoriatic arthritis and ankylosing spondylitis are of child-bearing age and consider planning a family, according to the researchers. Data on pregnancy outcomes are lacking, they said, “often making it difficult for rheumatologists and obstetricians to counsel their patients effectively.”
The study from Dr. Smith and coinvestigators comprised 963 women who enrolled in the OTIS prospective cohort study within 20 weeks of gestation and delivered at least one live-born infant. Of that cohort, 129 had ankylosing spondylitis, 117 had psoriatic arthritis, and the remaining 717 served as a control group.
Psoriatic arthritis conferred an 81% increased risk for moderate preterm delivery at 32-36 weeks gestation, compared with healthier women, 13.7% and 7.7% respectively. Risk was increased among women with psoriatic arthritis for preterm labor, 16.2% and 8.4% (adjusted risk ratio, 2.05, 95% confidence interval, 1.21-3.48), caesarean delivery, 48.7% and 26.2% (aRR, 1.63, 95% CI, 1.26-2.12), and oligohydramnios, 25% and 11% (aRR, 3.79, 95% CI, 1.34-10.74). Women with psoriatic arthritis were 2 years older on average and their average body mass index was 27 kg/m2 vs. 24.5 kg/m2 in the control group.
In women with ankylosing spondylitis, risk of infant hospitalization in the neonatal intensive care unit was increased by 67%, 17.2% vs. 11.9% in the control group.
Active disease measured by the Health Assessment Questionnaire (HAQ) or Routine Assessment of Patient Index Data 3 (RAPID3) was linked to increased risk of adverse obstetric outcomes in some cases, the investigators said.
For example, risk of preterm delivery was increased in women with psoriatic arthritis who had active disease at 32 weeks as measured by HAQ (27 women) and RAPID3 (28 women) scores, while in ankylosing spondylitis, active disease measured at intake by RAPID3 (46 women) was associated with increased risk of caesarean delivery.
Medication use in women with psoriatic arthritis was not associated with increased preterm delivery risk. However, women with ankylosing spondylitis who used corticosteroids in the second trimester had an increased risk of preterm delivery.
The rate of corticosteroid use was “surprisingly high” at 38% among the women with ankylosing spondylitis, Dr. Smith and coinvestigators said.
“The 2016 American College of Rheumatology guidelines in fact recommend against the use of systemic corticosteroids for the treatment of ankylosing spondylitis, with the exception of short-term treatment with rapid tapering in circumstances such as flares during pregnancy, flares of concomitant inflammatory bowel disease, or flare of peripheral arthritis,” they said in their report.
Dr. Smith and coauthors reported no conflicts of interest. The OTIS Collaborative Research Group has received research funding from AbbVie, Amgen, Bristol-Myers Squibb, Janssen, Pfizer, and others.
SOURCE: Smith CJF et al. Arthritis Care Res. 2019 May 10. doi: 10.1002/acr.23924.
FROM ARTHRITIS CARE & RESEARCH