Article ID Journal Published Year Pages File Type
6000917 Thrombosis Research 2016 6 Pages PDF
Abstract

•Increased risk of VTE related to brain tumors•Increased risk of VTE for brain tumor patients undergoing surgeries•Increased risk of VTE associated with glioma, high-grade glioma and glioblastoma multiforme

BackgroundCurrently published studies investigating the association between brain tumors and venous thromboembolism (VTE) risk have yielded inconsistent findings. To provide a more precise estimate for this association, we firstly performed a meta-analysis by pooling all currently available data.MethodsPooled relative risks (RRs) with 95% confidence intervals (95% CIs) were calculated by use of STATA 12.0 software. All eligible studies were identified by a comprehensive literature search in databases of PubMed, Embase, Web of Science, and Google scholar.ResultsAccording to the inclusion criteria, 9 independent studies were finally included into this study. Individuals with brain tumors were at an increased risk of VTE (RR = 1.66, 95% CI 1.31-2.12, P < 0.001), particularly those undergoing surgery (RR = 1.68, 95% CI 1.44-1.98, P < 0.001). Stratified analysis by type of tumor showed that the risk of VTE was significantly associated with glioma (RR = 1.68, 95% CI 1.44-1.98, P < 0.001), high-grade glioma (RR = 1.70, 95% CI 1.29-2.23, P < 0.001), and glioblastoma multiforme (RR = 1.74, 95% CI 1.43-2.12, P < 0.001).ConclusionsThe present meta-analysis suggests increased risk of VTE in patients with brain tumors, particularly those undergoing surgery.

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