Risk Factors for Avoidable Transfer to a Pediatric Trauma Center Among Patients Age Two Years and Older

Background Effective and sustainable pediatric trauma care requires systems of regionalization and interfacility transfer. Avoidable transfer, also known as secondary overtriage, occurs when a patient is transferred to a regional trauma center after initial evaluation at another facility that is capable of providing definitive care. The purpose of this study was to identify risk factors for avoidable transfer among pediatric trauma patients in southwest Florida. Methods All pediatric trauma patients two years and older transferred from outlying hospitals to the emergency department (ED) of a single state-designated pediatric trauma center between 2009 and 2017 were obtained from the institutional registry. Transfers were classified as avoidable if the patient suffered only minor injuries (ICD-9 Injury Severity Score >0.9), did not require invasive procedures or intensive care unit monitoring, and was discharged within 48 hours. Demographics and injury characteristics were compared for avoidable and non-avoidable transfers. Logistic regression was used to estimate the independent effects of age, sex, insurance type, mechanism of injury, diagnosis, within region vs. out-of-region residence, suspected non-accidental trauma (NAT), and abnormal Glasgow Coma Score on the risk of avoidable transfer. Results A total of 3,876 transfer patients met inclusion criteria, of whom 1,628 (42%) were classified as avoidable. Among avoidable transfers, 29% had minor head injuries (isolated skull fractures, concussions, and mild traumatic brain injury not otherwise specified) and 58% received neurosurgery consultation. On multivariable analysis, the strongest risk factors for avoidable transfer were diagnoses of isolated skull fracture or concussion. Suspected NAT was predictive of non-avoidable transfer. Conclusions Among injured children age two years and older, those with minor head injuries were at greatest risk for avoidable transfer. Many were transferred because of a perceived need for evaluation by a pediatric neurosurgeon. Future projects seeking to reduce avoidable transfers should focus on children with isolated skull fractures and concussions, in whom there is no suspicion of non-accidental trauma. Level of Evidence III, economic/decision study Presented at the 4th Annual Meeting of the Pediatric Trauma Society, November 2-4, 2017, Charleston, SC Conflicts of Interest and Sources of Funding: None Corresponding Author: Christopher W. Snyder, MD, MSPH, 601 5th Street South, Suite 306, St. Petersburg, Florida 33701. Email: csnyde21@jhmi.edu Phone: 727-767-4170; Fax: 727-767-4340 © 2018 Lippincott Williams & Wilkins, Inc.

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