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Radiation Protection Dosimetry Advance Access published online on August 17, 2007
Radiation Protection Dosimetry, doi:10.1093/rpd/ncm136
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© The Author 2007. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Comparison of patient doses in interventional radiology procedures performed in two large hospitals in Greece

E. Papageorgiou1, V. Tsapaki2, I. A. Tsalafoutas2, E. Maurikou3, S. Kottou4,*, A. Orfanos3, G. Karidas3, T. Fidanis1, E. Zafiriadou1 and V. Neofotistou3

1 Medical Physics Dpt, "Ippokrateio" General Hospital, Thessaloniki, Greece
2 Medical Physics Dpt, "Konstantopoulio-Agia Olga" Hospital, Athens, Greece
3 Medical Physics Dpt, Athens General Hospital "G. Gennimatas", Athens, Greece
4 Medical Physics Dpt, Medical School, Athens University, Athens, Greece

* Corresponding author: skottou{at}med.uoa.gr

Received October 31, 2006, amended January 10, 2007, accepted January 14, 2007

Purpose of the study was to determine patient doses in the most common interventional radiology (IR) procedures performed in two large Greek hospitals. A total of 164 patients who underwent 4 types of IR procedures were studied. Fluoroscopy time, total exposure time, number of frames, number of runs, radiation field size, and cumulative dose–area product (DAP) were recorded. The median DAP values for carotid arteriography and lower limb arteriography were 66 and 123 Gy cm2 for hospital ‘A’ and 21 and 49 Gy cm2 for hospital ‘B’. For the cerebral arteriographies performed in hospital ‘A’, the median DAP was 116 Gy cm2, while for the hepatic embolizations performed in hospital ‘B’, it was 104 Gy cm2. The DAP values observed in hospital ‘A’ for carotid arteriography and lower limb arteriography were almost three times than those of hospital ‘B’. From the data analysis, it is evident that dose optimization in hospital ‘A’ should be pursued through revision of the techniques used.


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