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Journal article
Association of blood group and red blood cell transfusion with the incidence of antepartum, peripartum and postpartum venous thromboembolism
Scientific reports, v 9(1), pp 13535-13535
19 Sep 2019
PMCID: PMC6753067
PMID: 31537816
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The increased risk of venous thromboembolism (VTE) associated with pregnancy is well-known and prophylaxis guidelines consider a number of risk factors. Although non-O blood group and red blood cell (RBC) transfusion are known to be associated with VTE risk, their contribution to pregnancy-associated VTE has received little attention. This study was conducted in a population-based cohort of 1,000,997 deliveries to women with no prior history of VTE or thrombophilia. The independent contributions of ABO blood type and RBC transfusion to the risks of antepartum, peripartum and postpartum VTE are reported as odds ratios adjusted for risk factors that are considered in current prophylaxis guidelines and other potential confounders. Compared with type O, A and B blood types have higher risk of antepartum and postpartum VTE, with odds ratios between 1.4 and 1.8. Transfusion around delivery has the largest increased risks and a dose-response effect, with adjusted odds ratios from 2.60 (1.71-3.97) for 1-2 units to 3.55 (1.32-9.55) for more than 5 units. ABO blood type and RBC transfusion were found to be independent risk factors for pregnancy-associated VTE. Further research is required to understand the underlying mechanisms and to conduct a risk-benefit assessment of the small volumes of RBCs transfused around delivery.
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Details
- Title
- Association of blood group and red blood cell transfusion with the incidence of antepartum, peripartum and postpartum venous thromboembolism
- Creators
- Chen Wang - Karolinska InstitutetIsabelle Le Ray - Karolinska InstituteBrian Lee - Drexel UniversityAgneta Wikman - Karolinska University HospitalMarie Reilly - Karolinska Institute
- Publication Details
- Scientific reports, v 9(1), pp 13535-13535
- Publisher
- Springer Nature
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Epidemiology and Biostatistics; Marketing
- Web of Science ID
- WOS:000486567800011
- Scopus ID
- 2-s2.0-85072401986
- Other Identifier
- 991019168968204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Hematology