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Number of X-ray examinations performed on paediatric and geriatric patients compared with adult patients.

Authors
  • Aroua, A
  • Bochud, F O
  • Valley, J-F
  • Vader, J-P
  • Verdun, F R
Type
Published Article
Journal
Radiation protection dosimetry
Publication Date
Jan 01, 2007
Volume
123
Issue
3
Pages
402–408
Identifiers
PMID: 17041239
Source
Medline
License
Unknown

Abstract

The age of the patient is of prime importance when assessing the radiological risk to patients due to medical X-ray exposures and the total detriment to the population due to radiodiagnostics. In order to take into account the age-specific radiosensitivity, three age groups are considered: children, adults and the elderly. In this work, the relative number of examinations carried out on paediatric and geriatric patients is established, compared with adult patients, for radiodiagnostics as a whole, for dental and medical radiology, for 8 radiological modalities as well as for 40 types of X-ray examinations. The relative numbers of X-ray examinations are determined based on the corresponding age distributions of patients and that of the general population. Two broad groups of X-ray examinations may be defined. Group A comprises conventional radiography, fluoroscopy and computed tomography; for this group a paediatric patient undergoes half the number of examinations as that of an adult, and a geriatric patient undergoes 2.5 times more. Group B comprises angiography and interventional procedures; for this group a paediatric patient undergoes a one-fourth of the number of examinations carried out on an adult, and a geriatric patient undergoes five times more.

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