• Kelsey C English, Justin R Allen, Kevin Rix, David F Zane, Christopher M Ziebell, Brown Carlos V R CVR Division of Acute Care Surgery/Trauma Service, Department of Surgery and Perioperative Care, Dell Medical School, University of Texas, Austin, Texas., and Lawrence H Brown.
• Division of Emergency Medicine, Department of Surgery and Perioperative Care, Dell Medical School, University of Texas, Austin, Texas.
• Traffic Inj Prev. 2020 Jan 1; 21 (7): 476-481.

ObjectiveTo describe the characteristics of dockless electric rental scooter ("e-scooter")-related injuries presenting to two emergency departments in one large U.S. city.MethodsThis observational cohort study utilized the city's public health syndromic surveillance system to prospectively identify patients with e-scooter-related injuries presenting between September and November 2018. The medical records for all adult patients treated at the two participating emergency departments were manually reviewed to extract demographic and clinical data. Cases involving mobility scooters or non-electric scooters were excluded.ResultsFor the 124 included adult patients with e-scooter-related injuries, the median age was 30 years (IQR: 22-43), they were predominantly male (59.7%), and approximately half (51.6%) arrived by ambulance. Falling from the scooter (84.7%) was the most common mechanism; twelve patients (9.7%) had collided with a motor vehicle. Head and face injuries (45.5%) were common; only 2 patients (1.6%) were documented as wearing a helmet at the time of injury. Most patients (n = 112, 90.3%) required imaging, more than half (n = 78, 62.9%) required an emergency department procedure, and 26 (21.0%) required surgical intervention. Most patients were discharged home, but 35 (28.2%) were admitted to hospital. Two patients (1.6%) were admitted to the intensive care unit.ConclusionsE-scooters are an emerging transportation technology associated with a wide range of potentially serious injuries that consume substantial emergency department and hospital resources. Head injuries are a particular concern, as few e-scooter riders are wearing helmets at the time of injury.

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