Daniel E. Kendrick, MD, Claire P. Miller, MS, Pamela A

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Presentation transcript:

Comparative occupational radiation exposure between fixed and mobile imaging systems Daniel E. Kendrick, MD, Claire P. Miller, MS, Pamela A. Moorehead, MS, Ann H. Kim, MD, Henry R. Baele, MD, Virginia L. Wong, MD, David W. Jordan, PhD, Vikram S. Kashyap, MD Journal of Vascular Surgery Volume 63, Issue 1, Pages 190-197 (January 2016) DOI: 10.1016/j.jvs.2015.08.062 Copyright © 2016 Society for Vascular Surgery Terms and Conditions

Fig 1 Reference radiation comparisons between mobile (MI) and fixed imaging (FI) systems. A, Mean air kerma (Kar) for all cases. B, Mean room dose for all cases. ∗Denotes a P value < .05. Journal of Vascular Surgery 2016 63, 190-197DOI: (10.1016/j.jvs.2015.08.062) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

Fig 2 Staff radiation exposure compared according to role and imaging. Mean exposure for primary surgeon (0.088 ± 0.017 mSv vs 0.034 ± 0.010 mSv), assistant (0.083 ± 0.015 mSv vs 0.024 ± 0.007 mSv), other (0.006 ± 0.002 mSv vs 0.009 ± 0.002 mSv). ∗Denotes a P value < .05. OR, Operating room. Journal of Vascular Surgery 2016 63, 190-197DOI: (10.1016/j.jvs.2015.08.062) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

Fig 3 Mobile (MI) and fixed imaging (FI) dose comparison according to case complexity. Each quartile (Q1-Q4) showed a higher dose (mSv) in FI compared with MI. Data in mSv ± standard error of the mean (SEM), MI, then FI respectively: Q1 (0.024 ± 0.006 vs 0.22 ± 0.028); Q2 (0.082 ± 0.006 vs 0.55 ± .047); Q3 (0.16 ± 0.027 vs 0.79 ± 0.066); Q4 (0.42 ± 0.071 vs 1.50 ± 0.19). ∗Denotes a P value < .05. Journal of Vascular Surgery 2016 63, 190-197DOI: (10.1016/j.jvs.2015.08.062) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

Fig 4 Staff radiation exposure compared by “step back” positioning in fixed imaging (FI) room. Data in mSv ± standard error of the mean (SEM), <50% then >50%, respectively. Mean exposure for surgeon (0.122 ± 0.018 vs 0.044 ± 0.009); mean exposure for fellow (0.1004 ± 0.021 vs 0.070 ± 0.027). ∗Denotes a P value < .05. OR, Operating room. Journal of Vascular Surgery 2016 63, 190-197DOI: (10.1016/j.jvs.2015.08.062) Copyright © 2016 Society for Vascular Surgery Terms and Conditions