• Christian G Falgons, Connor C Park, RouttMilton Lee ChipMLCJrDepartment of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX., Ryan D DeAngelis, and Stephen J Warner.
• Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX. Electronic address: christian.g.falgons@uth.tmc.edu.
• Injury. 2025 Jan 16; 56 (3): 112172112172.

ObjectivesThe primary aim of this study was to determine if an association exists between traumatic posterior hip dislocations and aortic injuries. Secondarily, this study assessed the incidence of chest imaging in patients with hip dislocations.MethodsDesign: Retrospective Review of a Consecutive Case Series.SettingAcademic level I trauma centre. Patient Selection Criteria: Fifteen-thousand-four-hundred-thirteen consecutive traumatically injured patients with at least one orthopaedic injury were initially identified. After excluding patients without a posterior hip dislocation after blunt trauma, seven-hundred-nine patients were included. Outcome Measurements and Comparisons: The primary outcome was the coincidence of blunt traumatic aortic injury with acute posterior dislocation of a native hip. The secondary outcome was the rates of chest imaging to screen for blunt aortic injuries in patients with posterior hip dislocations.ResultsThe incidence of aortic injury with blunt trauma was 5.1 % in patients with a posterior hip dislocation and 1.6 % in patients without a posterior hip dislocation (OR = 3.3, CI: [2.3: 4.7], p < 0.001). Of the seven-hundred-nine patients with posterior hip dislocation, six hundred fifty-nine (93 %) received chest imaging as part of their initial workup, while thirty-four (4.8 %) never received chest imaging during hospitalization.ConclusionsDespite improvements in automobile safety, this injury complex remains highly relevant. The findings advocate for routine chest imaging as part of the diagnostic trauma workup for patients with a native posterior hip dislocation.Copyright © 2025. Published by Elsevier Ltd.

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