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Pregnancy in women with psoriatic arthritis: A systematic literature review of disease activity and adverse pregnancy outcomes

Author

Semin Arthritis Rheum. 2021 Apr 15;51(3):530-538.doi: 10.1016/j.semarthrit.2021.04.003. Online ahead of print.

Yvette Meissner 1Tatjana Rudi 2Rebecca Fischer-Betz 3Anja Strangfeld 2

Author Information

1 Deutsches Rheuma-Forschungszentrum Berlin, Programmbereich Epidemiologie und Versorgungsforschung, Berlin, Germany. Electronic address: y.meissner@drfz.de.

2 Deutsches Rheuma-Forschungszentrum Berlin, Programmbereich Epidemiologie und Versorgungsforschung, Berlin, Germany.

Heinrich-Heine-Universität Düsseldorf, Poliklinik für Rheumatologie Düsseldorf and Universitätsklinikum Düsseldorf, Hiller Forschungszentrum, Düsseldorf, Germany.

Abstract

Abstract

Background: There is limited robust evidence on the course of pregnancy and its outcomes in women with psoriatic arthritis (PsA) on which to base recommendations for the management of these patients.

Objective: The primary objective was to review available data on (I) disease activity during pregnancy and on (II) adverse pregnancy outcomes (APO) in women with PsA. Secondly, neonatal outcomes and treatment of the rheumatic disease were investigated.

Methods: Systematic literature search within the databases Pubmed and Embase until 30 Nov 2020 was performed. Additionally, reference lists of included studies and of review articles revealed by the search were screened. All full text articles identified and published in English language were systematically evaluated by two reviewers. All studies that reported on one of the primary outcomes and included at least five pregnancies in women with PsA were considered.

Results: The review of 734 search results revealed 13 eligible publications reporting on a total of 2,332 pregnancies in women with PsA. Nine studies reported on PsA activity and showed an increase or worsening of disease activity after delivery compared to the pregnancy period. APOs were reported by nine studies. Adjusted analyses of APOs did not show an increased risk for gestational diabetes, small for gestational age and low birth weight in PsA patients in relation to the respective comparator groups. However, there were signals for a higher pre-eclampsia, elective caesarean section and preterm birth risk in PsA pregnancies. Meta-analysis was not performed due to study heterogeneity.

Discussion: This review showed a postpartum deterioration of disease activity in women with PsA and no risk elevation for gestational diabetes, small for gestational age and low birth weight. A higher risk for pre-eclampsia, elective caesarean section and preterm birth in PsA pregnancies cannot be ruled out. Differences in the studies investigated limit overall summary statements on disease activity and APOs in women with PsA. Harmonization of study approaches, instruments and outcome reporting is crucial to ensure informed counselling of patients with PsA before, during and after pregnancy that is based on robust data.

Prospero registration number: CRD42020162242.