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Acta Radiologica Volume 50, 2009 - Issue 2
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Miscellaneous and Experimental Radiology

Effect of Radiation Monitoring Method and Formula Differences on Estimated Physician Dose during Percutaneous Coronary Intervention

K. Chida Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, JapanCorrespondence[email protected]
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Y. Morishima Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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H. Masuyama Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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H. Chiba Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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Y. Katahira Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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Y. Inaba Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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I. Mori Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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S. Maruoka Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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S. Takahashi Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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M. Kohzuki Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
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M. Zuguchi Department of Radiological Technology, School of Health Sciences, Faculty of Medicine, Tohoku University, Sendai, Japan; Department of Radiology and Department of Cardiovascular Medicine, Tohoku Employees’ Pension Welfare Hospital, Sendai, Japan; Department of Radiology, and Department of Internal Medicine and Rehabilitation Science, Tohoku University Graduate School of Medicine, Sendai, Japan
 show all
Pages 170-173 | Published online: 09 Jul 2009
 

Abstract

Background: Currently, one or two dosimeters are used to monitor radiation exposure in most cardiac laboratories. In addition, several different formulas are used to convert exposure data into an effective dose (ED).

Purpose: To clarify the effect of monitoring methods and formula selection on the estimated ED for physicians during percutaneous coronary interventions (PCIs).

Material and Methods: The ED of physicians during cardiac catheterization was determined using an optically stimulated luminescence dosimeter (Luxel badge). Two Luxel badges were worn: one beneath a personal lead apron (0.35-mm lead equivalent) at the chest and one outside of the apron at the neck.

Results: The difference in the average ED of seven physicians was approximately fivefold (range 1.13–5.43 mSv/year) using the six different formulas in the clinical evaluation. The estimated physician ED differed markedly according to both the monitoring method and formula selected.

Conclusion: ED estimation is dependent on both the monitoring method and the formula used. Therefore, it is important that comparisons among laboratories are based on the same monitoring method and same formula for calculating the ED.

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