High incidence of venous thromboembolism and major bleeding in patients with primary CNS lymphoma - PubMed (original) (raw)

. 2020 Nov;61(11):2605-2613.

doi: 10.1080/10428194.2020.1780584. Epub 2020 Jun 23.

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High incidence of venous thromboembolism and major bleeding in patients with primary CNS lymphoma

Anjlee Mahajan et al. Leuk Lymphoma. 2020 Nov.

Abstract

Venous thromboembolism (VTE) and major bleeding in primary central nervous system lymphoma (PCNSL) patients are not well described. We identified 992 PCNSL patients using the California Cancer Registry (2005-2014). The cumulative incidence of VTE and major bleeding was determined using California hospitalization data. The 12-month cumulative incidence of VTE was 13.6% (95% confidence interval (CI) 11.5-15.8%); chemotherapy and radiation therapy were associated with increased risk of VTE (hazard ratio (HR) 2.41, CI 1.31-4.46 and HR 1.56, CI 1.08-2.25, respectively). The 12-month cumulative incidence of major bleeding was 12.4% (CI 10.1-14.6%). Pulmonary embolism (PE) and proximal deep vein thrombosis were associated with increased risk of major bleeding, likely due to anticoagulation. PE (HR 1.61, CI 1.11-2.33, _p_=.011) and major bleeding (HR 2.36, CI 1.82-3.06, p<.0001) were associated with increased mortality. This study highlights the high incidence of both VTE and major bleeding and the significant impact on survival for PCNSL patients.

Keywords: CNS lymphoma; Venous thromboembolism; major bleeding.

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