• Gert R Roukema, Louis De Jong, Veronique A J I M Van Rijckevorsel, Robbert S Van Onkelen, Joost A Bekken, Cornelis H Van der Vlies, and Van Lieshout Esther M M EMM Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands..
• Department of Surgery, Maasstad Hospital, Rotterdam, the Netherlands.
• Injury. 2019 Dec 1; 50 (12): 2263-2267.

BackgroundIntra-operative image acquisition can be obtained indirectly (via verbal request to a technician) or directly (executed at the tableside, by a surgeon stepping on a foot pedal). Direct image acquisition could reduce the exposure time and thus the risk of radiation damage. The aim of this randomized controlled trial was to compare direct surgeon-controlled fluoroscopy with indirect technician-operated fluoroscopy during internal fixation of a hip fracture.MethodsFrom March 5, 2014 to August 19, 2015, 100 patients who had sustained a hip fracture that required internal fixation were enrolled. Patients were randomized between direct surgeon-controlled image acquisition using a foot pedal (n = 52) and indirect image acquisition by a radiology technician (n = 48). The primary outcome measure was the radiation exposure time; secondary outcome measures were the associated effective radiation dose and the dose area product.(Dap) ResultsA total of 96 patients (with a median age of 84 years) were enrolled in this study. Eighty-nine (93%) patients had a pertrochanteric fracture. No statistically significant differences between direct image acquisition and indirect image acquisition were found for overall radiation time, total radiation dose or DAP for the total population. When adjusted for potential confounders, a difference in overall radiation time of 18.50 s (95% CI 2.19; 34.81, p = 0.027) was found in favour of indirect image acquisition.ConclusionThis study showed statistically significantly lower radiation duration using indirect fluoroscopy for the total population and the pertrochanteric fracture subgroup when adjusted for several confounders. No significant effect on radiation dose and DAP was found.Copyright © 2019. Published by Elsevier Ltd.

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