The British Journal of Radiology, Vol 70, Issue 830 180-185, Copyright © 1997 by British Institute of Radiology

ARTICLES

Radiation exposure to children during cardiac catheterization

A Boothroyd, E McDonald, BM Moores, V Sluming and H Carty
Department of Radiology, Royal Liverpool Children's NHS Trust, UK.

The purpose of this study was to assess the suitability of different radiation dosimetry methods and record radiation exposures during paediatric catheterization. Three methods of dosimetry were employed: thermoluminescent dosimetry (TLD), dose-area product and calculation of entrance surface dose from calibrated exposure factors. Examinations included bi-plane fluoroscopy, and cineangiography for diagnosis and treatment of congenital heart disease. The most suitable method of radiation dosimetry for cardiac catheterization is the use of calculated entrance dose or a dose-area product meter. Children were exposed to high levels of radiation during cardiac catheterization but there was a wide variation in radiation dosage. Careful consideration should be given to the suitability of radiation dosimetry for cardiac catheterization.

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