Early suppression policies protected pregnant women from COVID-19 in 2020: A population-based surveillance from the Nordic countries.

Autor: Varpula R; Department of Obstetrics and Gynecology, Helsinki University Hospital and Helsinki University, Helsinki, Finland., Äyräs O; Department of Obstetrics and Gynecology, Helsinki University Hospital and Helsinki University, Helsinki, Finland., Aabakke AJM; Department of Obstetrics and Gynecology, Copenhagen University Hospital-Holbæk, Holbæk, Denmark.; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark., Klungsøyr K; Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.; Department for Health Promotion, Norwegian Institute of Public Health, Bergen, Norway., Svanvik T; Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Sweden., Kanerva J; Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Sweden., Jonasdottir E; Department of Obstetrics and Gynecology, Landspitali University Hospital, Reykjavik, Iceland., Mentzoni CT; Department for Health Promotion, Norwegian Institute of Public Health, Bergen, Norway., Thurn L; Department of Obstetrics and Gynecology, Skåne University Hospital, Lund, Sweden., Jones E; Department of Obstetrics and Gynecology, Karolinska University Hospital, Stockholm, Sweden., Fredriksson L; Department of Obstetrics and Gynecology, Karolinska University Hospital, Stockholm, Sweden., Pettersson K; Department of Obstetrics and Gynecology, Karolinska University Hospital, Stockholm, Sweden., Nyfløt LT; Norwegian Research Center for Women's Health, Oslo University Hospital, Oslo, Norway., Vangen S; Norwegian Research Center for Women's Health, Oslo University Hospital, Oslo, Norway., Røe K; Department of Obstetrics and Gynecology, Stavanger University Hospital, Stavanger, Norway., Júlíusson PB; Department for Health Registry Research and Development, Norwegian Institute of Public Health, Bergen, Norway., Källén K; Department of Obstetrics and Gynecology, Institution of Clinical Sciences, Lund University, Lund, Sweden., Gissler M; Department of Knowledge Brokers, THL Finnish Institute of Health and Welfare, Helsinki, Finland.; Academic Primary Health Care Center, Stockholm, Sweden.; Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden., Pyykönen A; Helsinki University, Helsinki, Finland., Jakobsson M; Department of Obstetrics and Gynecology, HUS Hyvinkää Hospital, Helsinki University, Helsinki, Finland., Krebs L; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.; Department of Obstetrics and Gynecology, Copenhagen University Hospital-Amager and Hvidovre Hospital, Copenhagen, Denmark., Engjom HM; Department for Health Promotion, Norwegian Institute of Public Health, Bergen, Norway.; Department for Health Registry Research and Development, Norwegian Institute of Public Health, Bergen, Norway.
Jazyk: angličtina
Zdroj: Acta obstetricia et gynecologica Scandinavica [Acta Obstet Gynecol Scand] 2024 Jun; Vol. 103 (6), pp. 1063-1072. Date of Electronic Publication: 2024 Feb 21.
DOI: 10.1111/aogs.14808
Abstrakt: Introduction: The Coronavirus 2019 Disease (COVID-19) pandemic reached the Nordic countries in March 2020. Public health interventions to limit viral transmission varied across different countries both in timing and in magnitude. Interventions indicated by an Oxford Stringency Index ≥50 were implemented early (March 13-17, 2020) in Denmark, Finland, Norway and Iceland, and on March 26, 2020 in Sweden. The aim of the current study was to assess the incidence of COVID-19-related admissions of pregnant women in the Nordic countries in relation to the different national public health strategies during the first year of the pandemic.
Material and Methods: This is a meta-analysis of population-based cohort studies in the five Nordic countries with national or regional surveillance in the Nordic Obstetric Surveillance System (NOSS) collaboration: national data from Denmark, Finland, Iceland and Norway, and regional data covering 31% of births in Sweden. The source population consisted of women giving birth in the included areas March 1-December 31, 2020. Pregnant women with a positive SARS-CoV-2 PCR test ≤14 days before hospital admission were included, and admissions were stratified as either COVID-19-related or non-COVID (other obstetric healthcare). Information about public health policies was retrieved retrospectively.
Results: In total, 392 382 maternities were considered. Of these, 600 women were diagnosed with SARS-CoV-2 infection and 137 (22.8%) were admitted for COVID-19 symptoms. The pooled incidence of COVID-19 admissions per 1000 maternities was 0.5 (95% confidence interval [CI] 0.2 to 1.2, I 2  = 77.6, tau 2  = 0.68, P = 0.0), ranging from no admissions in Iceland to 1.9 admissions in the Swedish regions. Interventions to restrict viral transmission were less stringent in Sweden than in the other Nordic countries.
Conclusions: There was a clear variation in pregnant women's risk of COVID-19 admission across countries with similar healthcare systems but different public health interventions to limit viral transmission. The meta-analysis indicates that early suppression policies protected pregnant women from severe COVID-19 disease prior to the availability of individual protection with vaccines.
(© 2024 The Authors. Acta Obstetricia et Gynecologica Scandinavica published by John Wiley & Sons Ltd on behalf of Nordic Federation of Societies of Obstetrics and Gynecology (NFOG).)
Databáze: MEDLINE
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