• 1. The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, P. R. China;
  • 2. Department of Cardiology, the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510000, P. R. China;
WU Hui, Email: wuhui026@126.com
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Objective  To explore the causal association between obstructive sleep apnea (OSA) and venous thromboembolism (VTE). Methods  Using the summary statistical data from the FinnGen biological sample library and IEU OpenGWAS database, the relationship between OSA and VTE, including deep vein thrombosis (DVT) and pulmonary embolism, was explored through Mendelian randomization (MR) method, with inverse variance weighted (IVW) as the main analysis method. Results  The results of univariate MR analysis using IVW method showed that OSA was associated with VTE and pulmonary embolism (P<0.05), with odds ratios and 95% confidence intervals of 1.204 (1.067, 1.351) and 1.352 (1.179, 1.544), respectively. There was no correlation with DVT (P>0.05). Multivariate MR analysis showed that after adjustment for confounding factors (smoking, diabetes, obesity and cancer), OSA was associated with VTE, DVT and pulmonary embolism (P<0.05), with odds ratios and 95% confidence intervals of 1.168 (1.053, 1.322), 1.247 (1.064, 1.491) and 1.158 (1.021, 1.326), respectively. Conclusion  OSA increases the risk of VTE, DVT, and pulmonary embolism.

Citation: FANG Zixuan, GUO Weijian, CHEN Jiasong, CHEN Lihong, WU Hui. Causal association between obstructive sleep apnea and venous thromboembolism: a Mendelian randomization study. West China Medical Journal, 2025, 40(8): 1283-1287. doi: 10.7507/1002-0179.202410137 Copy

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