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Radiation Protection Dosimetry Advance Access originally published online on February 3, 2006
Radiation Protection Dosimetry 2005 117(1-3):236-240; doi:10.1093/rpd/nci755
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© The Author 2006. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Entrance radiation doses during paediatric cardiac catheterisations performed for diagnosis or the treatment of congenital heart disease

D. Papadopoulou1,*, Em. Yakoumakis1, P. Sandilos1,2, V. Thanopoulos3, Tr. Makri1,4, G. Gialousis1, D. Houndas1, N. Yakoumakis5 and Ev. Georgiou1

1 Department of Medical Physics, Medical School, University of Athens, 75 Mikras Asias, 11527 Athens, Greece
2 Department of Radiology, ‘Aretaio’ University Hospital, Vasilissis Sofias 76, 11527 Athens, Greece
3 Department of Pediatric Cardiology, ‘Aghia Sofia’ Children's Hospital, 1 Thivon and Levadias Street, 11527 Athens, Greece
4 Department of Radiology, ‘Aghia Sofia’ Children's Hospital, 1 Thivon and Levadias Street, 11527Athens, Greece
5 Department of Physics, University of Athens, Panepistimioupoli, Zografou, 15784 Athens, Greece

* Corresponding author: despapado{at}yahoo.com

The purpose of this study was to estimate the radiation exposure of children, during cardiac catheterisations for the diagnosis or treatment of congenital heart disease. Radiation doses were estimated for 45 children aged from 1 d to 13 y old. Thermoluminescent dosemeters (TLDs) were used to estimate the posterior entrance dose (DP), the lateral entrance dose (DLAT), the thyroid dose and the gonads dose. A dose-area product (DAP) meter was also attached externally to the tube of the angiographic system and gave a direct value in mGy cm2 for each procedure. Posterior and lateral entrance dose values during cardiac catheterisations ranged from 1 to 197 mGy and from 1.1 to 250.3 mGy, respectively. Radiation exposure to the thyroid and the gonads ranged from 0.3 to 8.4 mGy to 0.1 and 0.7 mGy, respectively. Finally, the DAP meter values ranged between 360 and 33,200 mGy cm2. Radiation doses measured in this study are comparable with those reported to previous studies. Moreover, strong correlation was found between the DAP values and the entrance radiation dose measured with TLDs.


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