Abstract
Purpose
New guidelines have been proposed for venous thromboembolism (VTE) prophylaxis in pediatric trauma patients. This paper seeks to evaluate risk factors associated with VTE that might further guide patient selection for prophylaxis.
Methods
Review of a tertiary children’s academic hospital’s trauma database for VTE events and associated risk factors from 2005 to 2016.
Results
15,306 pediatric trauma patients were identified and reviewed. During this time period there were 6191 admissions (40.4%), of which 20 developed a VTE (0.3%) including two pulmonary emboli. Primary outcome was comparison of risk factors for developing a VTE that were identified in the literature. Age stratification revealed the highest incidence of VTE in children under the age of 2 (0.7%), which increased with CVC placement when compared to children aged 2–12 and 13–15 (0.036 Fisher’s exact test).
Conclusions
VTE after pediatric trauma is rare, and may be more uncommon than previously reported. CVC placement was the strongest predictor of VTE, particularly in infant and toddler patients which can explain their higher overall incidence compared to other pediatric age groups. Identifying high-risk patients is important to optimize screening and prophylaxis of VTE in pediatric trauma patients while minimizing risks of anticoagulation.

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Acknowledgements
Jeffrey Tomasek and the Center for Translational Research (CeTIR) for their assistance in compiling and maintaining this database that this study was based on.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was waived after review by IRB due to retrospective, anonymous and minimal risk nature of this study.
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Carrillo, L.A., Kumar, A., Harting, M.T. et al. Venous thromboembolism risk factors in a pediatric trauma population. Pediatr Surg Int 35, 487–493 (2019). https://doi.org/10.1007/s00383-018-4418-y
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DOI: https://doi.org/10.1007/s00383-018-4418-y