Prophylactic Aspirin Dose and Preeclampsia Article Swipe
Ellen Kupka
,
Susanne Hesselman
,
Jóhanna Gunnarsdóttir
,
Anna‐Karin Wikström
,
Catherine Cluver
,
Stephen Tong
,
Roxanne Hastie
,
Lina Bergman
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1001/jamanetworkopen.2024.57828
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1001/jamanetworkopen.2024.57828
Importance It is unclear whether a higher dose (150-160 mg) or a lower dose (75 mg) of aspirin should be used to prevent preeclampsia. Objectives To compare the risk of preeclampsia and bleeding complications between women using 150 to 160 mg of aspirin and those using 75 mg of aspirin for preeclampsia prevention. Design, Setting, and Participants This nationwide cohort study included 13 828 women giving birth at 22 weeks’ gestation or later in Sweden between January 2017 and December 2020 who used low dose aspirin (75-160 mg) during pregnancy. Data were analyzed from October to November 2023. Exposure The use of 150 to 160 mg or 75 mg of aspirin in pregnancy. Main Outcome and Measures The main outcome was a preeclampsia diagnosis recorded in the maternal birth record at the time of hospital discharge. The main safety outcome was postpartum hemorrhage, defined as bleeding more than 1000 mL after delivery. Relative risks (RRs) and 95% CIs were estimated using a doubly robust inverse probability–weighted regression adjustment model controlling for background characteristics. Results In the total cohort of 13 828 women, the mean (SD) age was 33.0 (5.5) years and 3003 women (21.7%) were nulliparous. Of the women, 4687 (33.9%) were prescribed 150 to 160 mg of aspirin, and 9141 (66.1%) were prescribed 75 mg of aspirin. A total of 10 635 women (76.9%) had at least 2 dispensed prescriptions of low-dose aspirin. Among women using 150 to 160 mg of aspirin, 443 (9.5%) developed preeclampsia compared with 812 (8.9%) of those using 75 mg of aspirin (adjusted RR [aRR], 1.07; 95% CI, 0.93-1.24). Additionally, the risk of postpartum hemorrhage between the groups was similar, with 326 women (6.9%) using 150 to 160 mg of aspirin experiencing a postpartum hemorrhage compared with 581 (6.4%) in the 75-mg group (aRR, 1.08; 95% CI, 0.90-1.30). Conclusions and Relevance In this cohort study of 13 828 women, no difference was found in preeclampsia incidence or bleeding complications between those using 150 to 160 mg of aspirin vs 75 mg of aspirin during pregnancy for preeclampsia prevention. These findings suggest that either dose may be a reasonable choice when using aspirin to prevent preeclampsia. However, large randomized trials investigating aspirin dose in pregnancy are still needed.
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Concepts
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1001/jamanetworkopen.2024.57828
- OA Status
- gold
- Cited By
- 5
- References
- 18
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4407087394
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4407087394Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1001/jamanetworkopen.2024.57828Digital Object Identifier
- Title
-
Prophylactic Aspirin Dose and PreeclampsiaWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-02-03Full publication date if available
- Authors
-
Ellen Kupka, Susanne Hesselman, Jóhanna Gunnarsdóttir, Anna‐Karin Wikström, Catherine Cluver, Stephen Tong, Roxanne Hastie, Lina BergmanList of authors in order
- Landing page
-
https://doi.org/10.1001/jamanetworkopen.2024.57828Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1001/jamanetworkopen.2024.57828Direct OA link when available
- Concepts
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Aspirin, Medicine, Preeclampsia, Pregnancy, Obstetrics, Gestation, Cohort, Cohort study, Medical prescription, Internal medicine, Biology, Genetics, PharmacologyTop concepts (fields/topics) attached by OpenAlex
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5Total citation count in OpenAlex
- Citations by year (recent)
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2025: 5Per-year citation counts (last 5 years)
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18Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| publication_year | 2025 |
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