Incidence of venous thromboembolism in patients with non-Hodgkin lymphoma

K. M. Sanfilippo, T. F. Wang, B. F. Gage, S. Luo, P. Riedell, K. R. Carson

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Introduction Patients with non-Hodgkin lymphoma (NHL) have an increased risk of venous thromboembolism (VTE). Current risk-prediction models classify NHL as a single entity. We aimed to quantify the difference in VTE risk in follicular lymphoma (FL) versus diffuse large B cell lymphoma (DLBCL). Methods Using a prospective cohort study, we identified 2730 patients (2037 DLBCL; 693 FL) within the Veteran's Administration Central Cancer Registry. A competing risk model assessed the association between VTE risk and histology in the first year after NHL diagnosis. We assessed the effect of additional risk factors for VTE in NHL. Results In univariate analysis, DLBCL was associated with increased risk of VTE compared to FL in the first year after diagnosis; this association was no longer significant in adjusted analysis (adjusted hazard ratio (aHR) 1.52; 95% CI 0.97-2.40). Major risk factors for VTE included history of VTE before NHL diagnosis (aHR 4.73, p ≤ 0.0001) and time period during chemotherapy administration (aHR 7.60, p ≤ 0.0001). Additional risk factors included: stage III/IV disease (p = 0.02), BMI ≥ 30 (p = 0.02), B-symptoms (p = 0.02), and doxorubicin (p = 0.04). The cumulative incidence of VTE was highest in the period following diagnosis and decreased over time for both histologies. Conclusion DLBCL is associated with increased risk of VTE compared to FL. This risk is markedly attenuated when adjusting for additional risk factors. The strongest predictors for development of VTE included: time period during chemotherapy administration (especially doxorubicin) and history of VTE. This knowledge can assist clinicians in identifying NHL patients at high risk for VTE.

Original languageEnglish
Pages (from-to)86-90
Number of pages5
JournalThrombosis Research
Volume143
DOIs
StatePublished - Jul 1 2016

Keywords

  • Cancer
  • Non-Hodgkin lymphoma
  • Risk
  • Thrombosis
  • Venous thromboembolism

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