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Radiation Protection Dosimetry Advance Access published online on January 2, 2009
Radiation Protection Dosimetry, doi:10.1093/rpd/ncn313
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© The Author 2008. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

RADIATION DOSES IN PAEDIATRIC INTERVENTIONAL CARDIOLOGY PROCEDURES

Virginia Tsapaki1,*, Sofia Kottou2, Sarantis Korniotis3, Niki Nikolaki3, Spyridon Rammos4 and Sotiria C. Apostolopoulou4

1 Medical Physics Department, Konstantopoulio Hospital, 1 Ifaistou Street, 14569 Anixi, Athens, Greece
2 Medical Physics Department, Medical School, University of Athens, Athens, Greece
3 Biology Department, University of Athens, Panepistimioupoli Zographou, Athens, Greece
4 Onassis Cardiac Surgery Center, Athens, Greece

* Corresponding author: virginia{at}otenet.gr

Received August 3, 2008, amended November 25, 2008, accepted December 4, 2008

The objective was to investigate paediatric doses in coronary angiography (CA) and percutaneous transluminal coronary angioplasty (PTCA) in the largest cardiac hospital in Greece. Forty procedures were carried out by two board-certified senior interventional cardiologists. Data collected were: patient weight, height, age, fluoroscopy time (FT), total number of images (N) and kerma–area product (KAP). Median (range) age was 7.5 y (17 d to 17 y). Median FT, N and KAP were 4 min, 655, 2.1 Gy cm2 for CA and 12.1 min, 1296, 14.7 Gy cm2 for PTCA (corresponding adult diagnostic reference levels (DRLs) are: 6.5 min, 700, 45 Gy cm2 for CA and 15.5 min, 1000 and 85 Gy cm2 for PTCA). The highest percentage of cine dose was in newborns (0–1 y) (CA: 92% and PTCA: 100%). As age increased, cine dose percentage decreased, whereas total radiation dose increased. Median paediatric FT and N recorded reached or even exceeded adult DRL and should be optimised. Paediatric DRL should be set.


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