Key result
High levels of tissue factor-bearing microparticles were associated with a significantly increased risk of venous thromboembolism in patients with cancer (OR 1.76).
Why the study?
Does the presence of Tissue Factor-bearing microparticles increase the risk of venous thromboembolism in cancer patients?
Meta-Analysis (n=819)
Does the presence of Tissue Factor-bearing microparticles increase the risk of venous thromboembolism in cancer patients?
Odds Ratio: 1.76 (95% CI 1.21–2.56)
Tissue Factor-bearing microparticles are associated with a significantly increased risk of venous thromboembolism in cancer patients.
May support VTE risk stratification in cancer; leaves open need for prospective validation before clinical use.
Cancer patients with Tissue Factor (TF)-bearing MPs have been presented association with increased risk of venous thromboembolism (VTE), but results of these studies have not been consistent. We aimed to conduct a meta-analysis to assess the relationship between TF-bearing MPs and risk of VTE in patients with cancer. PubMed, Web of Science and EMBASE Databases were systematically retrieved up to1 th June 2017. Two case-control studies and four cohort studies met the entry requirements in this analysis. The summary odd ratio (OR) were estimated by a random effect model. The overall OR was 1.76 (95% CI: 1.21–2.56, I 2 = 62.0%). The OR of case-control studies was 3.41 (95% CI: 1.45–8.02, I 2 = 0.0%) and that of cohort studies was1.53 (95% CI: 1.05–2.24, I 2 = 66.1%). The association between TF-bearing MPs and the risk of VTE in cancer patients was found in this meta-analysis. Publication bias testing and sensitivity subgroup analysis suggested that results of this meta-analysis were robustness. In conclusion, TF-bearing MPs were associated with increased risk of VTE in patients with cancer. Whereas, more well-designed studies and more comprehensive adjustments for confounders in further studies are warranted to affirm the association.
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Cui et al. (2018) conducted a meta-analysis in Cancer (n=819). Tissue Factor-bearing microparticles (TF-bearing MPs) vs. Without high levels of TF-bearing MPs was evaluated on Venous thromboembolism (VTE) (OR 1.76, 95% CI 1.21-2.56). High levels of tissue factor-bearing microparticles were associated with a significantly increased risk of venous thromboembolism in patients with cancer (OR 1.76).
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