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Published online before print March 28, 2006, 10.1148/radiol.2392050504
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(Radiology 2006;239:541-546.)
© RSNA, 2006

Technical Developments

Radiosensitive Functional Dye: Clinical Application for Estimation of Patient Skin Dose1

Shigeru Suzuki, MD, Shigeru Furui, MD, Hiroshi Kohtake, MD, Tohru Takeshita, MD, Masatoshi Suzuki, MD, Ken Kozuma, MD, Yoshito Yamamoto, MD and Takaaki Isshiki, MD

1 From the Departments of Radiology (S.S., S.F., H.K., T.T.) and Medicine (M.S., K.K., Y.Y., T.I.), Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan. Received March 26, 2005; revision requested May 25; revision received June 11; final version accepted July 1. Supported in part by Health and Labour Sciences Research Grants for Research on Pharmaceutical and Medical Safety from the Ministry of Health, Labour and Welfare, Tokyo, Japan. Address correspondence to S.S. (e-mail: s-suzuki{at}med.teikyo-u.ac.jp).

Institutional review board approval and informed patient consent were obtained. The purpose of the study was to prospectively evaluate the use of radiosensitive indicators to estimate patient entrance skin dose (ESD). Forty-six patients wore a jacket with 48 or 52 indicators adhered to the back during percutaneous coronary interventions; they had eight additional indicators on their upper arms. The patients' ESDs were calculated according to the change in color of the indicators. There were good correlations between the ESDs estimated by using color measurements performed with an optical instrument and those estimated at visual observation (P < .001) and between the ESDs estimated by using a thermoluminescent dosimeter and those estimated by using color measurements (P < .001). The radiosensitive indicator method seems to be useful for estimating ESDs and their distribution during percutaneous coronary intervention; however, visual observation is reliable for estimating doses of up to 5 Gy only.

© RSNA, 2006




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AJNR Am. J. Neuroradiol., June 1, 2008; 29(6): 1076 - 1081.
[Abstract] [Full Text] [PDF]


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