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Radiation Protection Dosimetry 2005 115(1-4):289-293; doi:10.1093/rpd/nci201
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© The Author 2005. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Effective Dose For Patients Undergoing Coronary and Femoral Intravascular Radiotherapy Involving an HDR 192Ir Source

X. George Xu

Nuclear Engineering and Engineering Physics Program, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

Corresponding author: xug2{at}rpi.edu

Effective dose equivalent (EDE), and effective dose (ED) for coronary and femoral Intravascular brachytherapy (IVBT) procedures involving a 370 GBq (10 Ci) HDR 192Ir gamma source are tabulated. MIRD stylised models and the MCNP Monte Carlo code were used for the calculations. For coronary irradiation, the normalised EDE is 0.18 mSv (GBq min)–1 and the ED is 0.056 mSv (GBq min)–1. For femoral IVBT, the normalised EDE is 0.01629 mSv (GBq min)–1 and the ED is 0.01195 mSv (GBq min)–1. Although the medical benefits to a patient undergoing IVBT are often significant and justified, patient doses are high compared with dose limits for radiation protection purposes. As IVBT is becoming a routine procedure, data in this paper could be useful to manage the procedures efficiently.


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