• Cameron R Adler, Alix Hopp, Dawn Hrelic, Jim T Patrie, and Michael G Fox.
• Mayo Clinic Arizona, 5777 E. Mayo Blvd., Phoenix, AZ, 85054, USA.
• Emerg Radiol. 2019 Dec 1; 26 (6): 639-645.

ObjectiveReport the incidence, pattern, and severity of equestrian-related injuries presenting to a rural level 1 trauma center and detail the total radiation dose, imaging, and hospital charges related to those injuries.MethodsAn IRB-approved retrospective review of patients presenting to our facility following equine-related trauma was conducted. Demographics, mechanism of injury, types and number of imaging exams, approximate radiation dose administered, imaging findings, Injury Severity Score (ISS), rate/length of hospitalization, and approximate cost of care were recorded.ResultsA total of 222 patients (161 F:61 M; mean age 38.5 years (range 4-79)) presented to our emergency department following horse-related injury. Mechanisms of injury included the following: fall (n = 186), kick (n = 18), stepped on (n = 9), and other (n = 9). Body part injured included extremity (26.1%), torso (26.6%), spine (25.7%), and head/neck (18.5%). Longer hospital admission, higher expenditure, increased CT/MR imaging, higher ISS, and radiation dose were noted in older patients and those injured by a fall or kick. Head injuries were more frequent following a horse kick (p = 0.006). Spinal and torso injuries were more common in patients older than 54 years (p = < 0.001) and those with falls (p < 0.04). Extremity injuries were more common in older patients (p < 0.001).ConclusionPatient age greater than 54 years and mechanism of injury are strong predictors of the ISS, injury localization, healthcare expenditure, and mean hospital stay. With the exception of obvious minor wounds, full trauma work-ups (CT chest/abdomen/pelvis and cervical spine) are encouraged for equestrian-related injuries in older patients and those injured by a fall.

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