Abstract
Venous thromboembolism (VTE) is a well-recognized complication in pediatric oncology patients. Studies in adult oncology patients have suggested a potential negative association between VTE and survival, but this association has not been examined in pediatric patients yet. The aim of this study was to assess the association of VTE with survival in pediatric oncology patients. Data from all pediatric oncology patients treated at the two tertiary care centers in Atlantic Canada were pooled to create a population-based cohort. The association between VTE and survival was analyzed using a Cox proportional hazards model stratified by diagnosis group (leukemia, lymphoma, and other; sarcoma) and adjusted for age at diagnosis and sex. Out of 939 patients included in this study, 73 had a VTE (8%) and 131 (14%) patients died during the study period. Children in the leukemia/lymphoma/other group with a VTE had significantly poorer survival relative to children in the same group who did not have a VTE. Although children with sarcoma and VTE had poorer survival compared to children with sarcoma with no VTE, this association was not statistically significant. In this population-based study, we found a negative association between VTE and survival in pediatric oncology patients. If future studies confirm this association, this finding may have prognostic implications and potentially offer new avenues for the management of pediatric patients with cancer.
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27 June 2018
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Acknowledgements
The authors would like to acknowledge Stephanie Eason and Katherine Bowes for her work collecting the data on the patients treated at the Janeway Children’s Health and Rehabilitation Centre.
Funding
This work was supported by the MacKinnon fund at the IWK Health Centre and the Janeway Children’s Health and Rehabilitation Centre’s Hematology/Oncology department.
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All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975 and its later amendments or comparable ethical standards.
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The authors declare that they have no conflict of interest.
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The need for consent for this retrospective study was waived due to impracticability as per the Nova Scotia Personal Health Information Act.
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The original version of this article was revised: The figure 1 used in the originally published version of this article was incorrect.
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Forbrigger, Z., Kuhle, S., Brown, M.M. et al. The association of venous thromboembolism with survival in pediatric cancer patients: a population-based cohort study. Ann Hematol 97, 1903–1908 (2018). https://doi.org/10.1007/s00277-018-3371-0
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DOI: https://doi.org/10.1007/s00277-018-3371-0