Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis
Previous studies have identified ABO blood type as a risk factor for venous thromboembolism. However, the association between ABO blood type and pulmonary embolism (PE) has not yet been explored. The PubMed, Cochrane Library, Embase, and Web of Science databases were searched from inception to May 2...
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SAGE Publishing
2025-07-01
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| Series: | Clinical and Applied Thrombosis/Hemostasis |
| Online Access: | https://doi.org/10.1177/10760296251364267 |
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| author | Xujie Wang MD Xudong Wang MD Zihan Wang MD |
| author_facet | Xujie Wang MD Xudong Wang MD Zihan Wang MD |
| author_sort | Xujie Wang MD |
| collection | DOAJ |
| description | Previous studies have identified ABO blood type as a risk factor for venous thromboembolism. However, the association between ABO blood type and pulmonary embolism (PE) has not yet been explored. The PubMed, Cochrane Library, Embase, and Web of Science databases were searched from inception to May 2025. Case–control/cross-sectional and cohort studies focusing on the effect of ABO blood type on PE were evaluated. Nine eligible studies were included for meta-analysis. The pooled risk of PE was 1.45 (95% confidence interval [CI] 1.23-1.72, I 2 = 89.6%) for the non-O group compared with the O group, and there was significant heterogeneity. After the exclusion of two studies that may have produced unstable results, the risk was still significant (Relative Risk [RR] 1.39, 95% CI 1.22-1.59, I 2 = 47.1%), but there was less heterogeneity and improved stability. Both the A (RR 1.29, 95% CI 1.08-1.55, I 2 = 47.1%) and AB (RR 1.41, 95% CI 1.18-1.69, I 2 = 0.0%) blood types conferred an increased risk of PE, whereas the risk for the B group was not significant ( P = .089). With respect to origin, only studies from America ( P < .001), but not from Europe ( P = .064) or Asia ( P = .102), showed increased PE risk. Regarding study type, the results were significant both in case–control/cross-sectional ( P < .001) and cohort studies ( P = .002). In conclusion, individuals in the non-O group were associated with an increased risk of PE compared with those in the O group both in case–control/cross-sectional and cohort studies. |
| format | Article |
| id | doaj-art-0f43bfcfde4c470ba41401fe51acefcc |
| institution | DOAJ |
| issn | 1938-2723 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | SAGE Publishing |
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| series | Clinical and Applied Thrombosis/Hemostasis |
| spelling | doaj-art-0f43bfcfde4c470ba41401fe51acefcc2025-08-20T02:45:06ZengSAGE PublishingClinical and Applied Thrombosis/Hemostasis1938-27232025-07-013110.1177/10760296251364267Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-AnalysisXujie Wang MD0Xudong Wang MD1Zihan Wang MD2 Minimally Invasive Interventional Therapy Center, , Qingdao, Shandong Province, China Minimally Invasive Interventional Therapy Center, , Qingdao, Shandong Province, China Department of Ultrasound, , Qingdao, Shandong Province, ChinaPrevious studies have identified ABO blood type as a risk factor for venous thromboembolism. However, the association between ABO blood type and pulmonary embolism (PE) has not yet been explored. The PubMed, Cochrane Library, Embase, and Web of Science databases were searched from inception to May 2025. Case–control/cross-sectional and cohort studies focusing on the effect of ABO blood type on PE were evaluated. Nine eligible studies were included for meta-analysis. The pooled risk of PE was 1.45 (95% confidence interval [CI] 1.23-1.72, I 2 = 89.6%) for the non-O group compared with the O group, and there was significant heterogeneity. After the exclusion of two studies that may have produced unstable results, the risk was still significant (Relative Risk [RR] 1.39, 95% CI 1.22-1.59, I 2 = 47.1%), but there was less heterogeneity and improved stability. Both the A (RR 1.29, 95% CI 1.08-1.55, I 2 = 47.1%) and AB (RR 1.41, 95% CI 1.18-1.69, I 2 = 0.0%) blood types conferred an increased risk of PE, whereas the risk for the B group was not significant ( P = .089). With respect to origin, only studies from America ( P < .001), but not from Europe ( P = .064) or Asia ( P = .102), showed increased PE risk. Regarding study type, the results were significant both in case–control/cross-sectional ( P < .001) and cohort studies ( P = .002). In conclusion, individuals in the non-O group were associated with an increased risk of PE compared with those in the O group both in case–control/cross-sectional and cohort studies.https://doi.org/10.1177/10760296251364267 |
| spellingShingle | Xujie Wang MD Xudong Wang MD Zihan Wang MD Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis Clinical and Applied Thrombosis/Hemostasis |
| title | Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis |
| title_full | Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis |
| title_fullStr | Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis |
| title_full_unstemmed | Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis |
| title_short | Association Between ABO Blood Type and Risk of Pulmonary Embolism: A Systematic Review and Meta-Analysis |
| title_sort | association between abo blood type and risk of pulmonary embolism a systematic review and meta analysis |
| url | https://doi.org/10.1177/10760296251364267 |
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