The Effect of C-Arm Mobility and Field of Vision on Radiation Exposure in the Treatment of Proximal Femoral Fractures: A Randomized Clinical Trial

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Abstract

Objectives. To examine the effect of fluoroscopy devices with different sizes of image intensifier and C-arm maneuverability on operating time, fluoroscopy time, radiation dose and reduction, and fixation quality at intertrochanteric femoral fractures. Design. Single-center, randomized, prospective study. Setting. Academic Level I trauma hospital. Patients and Intervention. 34 patients treated with cephalomedullary nailing for a stable, intertrochanteric proximal femur fracture (OTA A1). Main Outcome Measurement. The total working time of the fluoroscopy device, the dose-area product (DAP), operating time, reduction quality (cortical continuity, symmetrical collodiaphyseal angle, and shortness), and fixation quality (Bosworth quadrants, the tip-apex distance, TAD). Results. There were no cases of poor reduction; also the placement of the blade was optimal for 14 patients and suboptimal in 3 patients in each group. Superior-posterior placement of the blade or TAD > 25 mm was not seen in any patient. Total operating time was significantly shorter when using device A compared to the use of device B (20.1±3.4 mins versus 25.3±5.4 mins, p<0.001). Total radiation time was significantly shorter with device A compared to the use of device B (58.1±19.4 secs versus 98.9±55.4 secs, p=0.008). The measured radiation dose was lower with the use of device A compared to device B (3.5±1.2 Gy·cm2 versus 7.3plusmn;4.5 Gy·cm2, p=0.002). Conclusion. Physical properties of fluoroscopy devices used during the fixation of intertrochanteric fractures could yield significant differences in operating times and the radiation dose while having comparable clinical results.

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Kalem, M., Başarir, K., Kocaoǧlu, H., Şahin, E., & Kinik, H. (2018). The Effect of C-Arm Mobility and Field of Vision on Radiation Exposure in the Treatment of Proximal Femoral Fractures: A Randomized Clinical Trial. BioMed Research International, 2018. https://doi.org/10.1155/2018/6768272

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