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

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1 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 (January 2016) DOI: /j.jvs Copyright © 2016 Society for Vascular Surgery Terms and Conditions

2 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  , DOI: ( /j.jvs ) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

3 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  , DOI: ( /j.jvs ) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

4 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 ± vs 0.22 ± 0.028); Q2 (0.082 ± vs 0.55 ± .047); Q3 (0.16 ± vs 0.79 ± 0.066); Q4 (0.42 ± vs 1.50 ± 0.19). ∗Denotes a P value < .05. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

5 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 ± vs 0.044 ± 0.009); mean exposure for fellow (0.1004 ± vs 0.070 ± 0.027). ∗Denotes a P value < .05. OR, Operating room. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2016 Society for Vascular Surgery Terms and Conditions

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