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Radiation Protection Dosimetry Advance Access originally published online on March 12, 2008
Radiation Protection Dosimetry 2008 129(1-3):67-70; doi:10.1093/rpd/ncn005
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© The Author 2008. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

High patient doses in interventional cardiology due to physicians' negligence: how can they be prevented?

I. Mavrikou1,*, S. Kottou2, V. Tsapaki3 and V. Neofotistou1

1 Medical Physics Department, Athens General Hospital, 154 Mesogion Avenue, Athens, Greece
2 Medical Physics Department, Medical School, University of Athens, Athens, Greece
3 Medical Physics Department, Konstantopoulio Agia Olga Hospital, Athens, Greece

* Corresponding author: imaur{at}otenet.gr

Interventional cardiology procedures are usually associated with high patient doses and even deterministic radiation effects may occur. Expensive digital flat panels are preferably used to lower doses, and Athens General Hospital has recently installed one. However, this study shows that it is the cardiologists' practice that lowers patients' doses. Doses delivered to patients during two time periods (pre and after radiation protection training) on a total of 1196 coronary angiographies and 506 percutaneous transluminal coronary angioplasties were measured and analysed per cardiologist. Local reference levels (LRLs) were assessed and compared with the preliminary RLs provided by the European Research Program DIMOND. Results showed that although after the training patients' dose area product, fluoroscopy time, cumulative dose and number of images acquired were lowered, the situation remained unchanged for the cardiologist who delivered the highest doses. The question to answer next is how this bad practice can be prevented since no dose constraints apply to diagnostic or therapeutic procedures using ionising radiation.


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