• Eur J Radiol · Jun 2013

    Declining trend in the use of repeat computed tomography for trauma patients admitted to a level I trauma center for traffic-related injuries.

    • Kevin J Psoter, Bahman S Roudsari, Janessa M Graves, Christopher Mack, and Jeffrey G Jarvik.
    • Department of Epidemiology, University of Washington, Box 357236, Seattle, WA 98195, United States. kevinp2@u.washington.edu
    • Eur J Radiol. 2013 Jun 1;82(6):969-73.

    ObjectiveTo evaluate the trend in utilization of repeat (i.e. ≥2) computed tomography (CT) and to compare utilization patterns across body regions for trauma patients admitted to a level I trauma center for traffic-related injuries (TRI).Materials And MethodsWe linked the Harborview Medical Center trauma registry (1996-2010) to the billing department data. We extracted the following variables: type and frequency of CTs performed, age, gender, race/ethnicity, insurance status, injury mechanism and severity, length of hospitalization, intensive care unit (ICU) admission and final disposition. TRIs were defined as motor vehicle collisions, motorcycle, bicycle and pedestrian-related injuries. Logistic regression was used to evaluate the association between utilization of different body region repeat (i.e. ≥2) CTs and year of admission, adjusting for patient and injury-related characteristics that could influence utilization patterns.ResultsA total of 28,431 patients were admitted for TRIs over the study period and 9499 (33%) received repeat CTs. From 1996 to 2010, the proportion of patients receiving repeat CTs decreased by 33%. Relative to 2000 and adjusting for other covariates, patients with TRIs admitted in 2010 had significantly lower odds of undergoing repeat head (OR=0.61; 95% CI: 0.49-0.76), pelvis (OR=0.37; 95% CI: 0.27-0.52), cervical spine (OR=0.23; 95% CI: 0.12-0.43), and maxillofacial CTs (OR=0.24; 95% CI: 0.10-0.57). However, they had higher odds of receiving repeat thoracic CTs (OR=1.86; 95% CI: 1.02-3.38).ConclusionA significant decrease in the utilization of repeat CTs was observed in trauma patients presenting with traffic-related injuries over a 15-year period.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

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