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Kuvituskuva, vihreitä viivoja.

Patient exposure levels and collective effective dose to the population from radiological examinations

In Finland the total collective effective dose from x-ray and NM procedures has increased 59% in 2008–2018, mainly due to the increase of collective effective doses from computed tomography (CT) and interventional radiology. The collective effective dose from NM examinations has slightly increased and its relative proportion is only 5% of the total collective dose from radiological examinations.

Effective doses per radiological examinations can be used to compare medical exposures from different methodologies or between different units or hospitals. Per caput doses can be compared between countries. In comparison with 36 European countries is was shown that frequencies of both x-ray and NM examinations in Finland were less than in average in Europe. This indicates that the level of justification in Finland is at least at the average European level.

The doctoral dissertation of Lic.Phil. Ritva Bly, entitled Patient exposure levels and collective effective dose to the population from radiological examinations – changes from 2008 to 2018 in Finland will be examined at the Faculty of Science and Forestry on the 18th of June at 12 noon in YouTube. The opponent in the public examination will be Professor Miika Nieminen, University of Oulu, and the custos will be Professor Pasi Karjalainen, University of Eastern Finland. The public examination will be held in Finnish.

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Link to the event

Link to the dissertation

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