Venous Thromboembolism in Autologous Blood or Marrow Transplantation Survivors: A Report from the Blood or Marrow Transplant Survivor Study

Radhika Gangaraju, Yanjun Chen, Lindsey Hageman, Jessica Wu, Liton Francisco, Kevin Battles, Michelle Kung, Emily Ness, Mariel Parman, Daniel J. Weisdorf, Stephen J. Forman, Mukta Arora, Saro H. Armenian, Smita Bhatia

Research output: Contribution to journalArticle

Abstract

Hemostatic complications are commonly encountered in blood or marrow transplantation (BMT) recipients, increasing their morbidity and mortality and are well described in the immediate post-transplantation period. The risk of venous thromboembolism (VTE) in long-term survivors of autologous BMT has not been studied previously. Patients who underwent autologous BMT between January 1, 1974, and December 31, 2010 for a hematologic malignancy, lived 2 years or more after transplantation, and were age ≥18 years were surveyed for long-term outcomes. The median duration of follow-up was 9.8 years (interquartile range, 6.4 to 14.3 years). We analyzed the risk of VTE in 820 autologous BMT recipients who survived for ≥2 years, compared with 644 siblings. BMT survivors were at a 2.6-fold higher risk of VTE compared with siblings (95% confidence interval [CI], 1.6 to 4.4; P =.0004), after adjusting for sociodemographic characteristics. Conditional on surviving for ≥2 years after BMT, the mean cumulative incidence of VTE was 3.9 ± .8% at 5 years and 6.1 ± 1.1% at 10 years. A diagnosis of plasma cell disorder (hazard ratio [HR], 2.37; 95% CI, 1.3 to 4.2; P = .004) and annual household income ≤$50,000 (HR, 2.02; 95% CI, 1.2 to 3.6; P = .015) were associated with increased VTE risk. Our data indicate that autologous BMT survivors are at elevated risk for developing late-occurring VTE. The development of risk prediction models to identify autologous BMT survivors at greatest risk for VTE and thromboprophylaxis may help decrease the morbidity and mortality associated with VTE.

Original languageEnglish (US)
Pages (from-to)2261-2266
Number of pages6
JournalBiology of Blood and Marrow Transplantation
Volume25
Issue number11
DOIs
StatePublished - Nov 2019

Keywords

  • Autologous BMT
  • BMT survivors
  • Plasma cell dyscrasia
  • Venous thromboembolism

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    Gangaraju, R., Chen, Y., Hageman, L., Wu, J., Francisco, L., Battles, K., Kung, M., Ness, E., Parman, M., Weisdorf, D. J., Forman, S. J., Arora, M., Armenian, S. H., & Bhatia, S. (2019). Venous Thromboembolism in Autologous Blood or Marrow Transplantation Survivors: A Report from the Blood or Marrow Transplant Survivor Study. Biology of Blood and Marrow Transplantation, 25(11), 2261-2266. https://doi.org/10.1016/j.bbmt.2019.06.032