Total Entrance Skin Dose: An Effective Indicator of Maximum Radiation Dose to the Skin During Percutaneous Coronary Intervention
Koichi Chida1,
Yutaka Kagaya2,
Haruo Saito1,
Yoshihiro Takai1,
Shoki Takahashi3,
Shogo Yamada3,
Masahiro Kohzuki4 and
Masayuki Zuguchi1
1 Department of Radiological Technology, School of Health Sciences, Faculty of
Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575,
Japan.
2 Department of Cardiovascular Medicine, Tohoku University Graduate School of
Medicine, Sendai, Japan.
3 Department of Radiology, Tohoku University Graduate School of Medicine,
Sendai, Japan.
4 Department of Internal Medicine and Rehabilitation Science, Tohoku University
Graduate School of Medicine, Sendai, Japan

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Fig. 1 —Graph shows relation between maximum patient skin dose and
total entrance patient skin dose in percutaneous coronary intervention on
American Heart Association segments 5–10 (r = 0.859).
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Fig. 2 —Graph shows relation between maximum patient skin dose and
total entrance patient skin dose in percutaneous coronary intervention on
American Heart Association segments 11–15 (r = 0.898).
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Copyright © 2007 by the American Roentgen Ray Society.