Compliance to Diagnostic Reference Levels for radiation exposure in common radiological procedures in Dutch hospitals: A nation-wide survey carried out by medical imaging students

H Bijwaard, G de Vries, J Scheurleer, T Roding, H Erenstein, F van Welie, Wim Ravensbergen, Sharon Haarmans-Jonkman

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

INTRODUCTION: In the Netherlands, hospitals have difficulty in implementing the formal procedure of comparing radiation dose values to Diagnostic Reference Levels (DRLs).

METHODS: To support the hospitals, train radiography students, and carry out a nationwide dose survey, diagnostic radiography students performed 125 DRL comparisons for nine different procedures in 29 radiology departments. Students were instructed at three Dutch Universities of Applied Sciences with a radiography programme and supervised by medical physicists from the participating hospitals.

RESULTS: After a pilot study in the western part of the country in eight hospitals, this study was enlarged to involve 21 hospitals from all over the Netherlands. The 86 obtained dose comparisons fall below the DRLs in 97% of all cases. This very high compliance may have been enhanced by the voluntary participation of hospitals that are confident about their performance.

CONCLUSION: The results indicate that the current DRLs that were not based on a national survey, may need to be updated, sometimes to half their current value. For chest and pelvis examinations the DRLs could be lowered from 12 and 300 μGy·m 2 to the 75-percentile values found in this study of 5,9 and 188 μGy·m 2, respectively.

Original languageEnglish
Pages (from-to)197-201
Number of pages5
JournalRadiography
Volume23
Issue number3
DOIs
Publication statusPublished - Aug 2017

Keywords

  • data collection
  • diagnostic imaging
  • guideline adherence
  • hospitals
  • Netherlands
  • radiation exposure
  • reference values
  • Students, Health Occupations
  • surveys
  • radiologic technology
  • standards
  • questionnaires
  • education

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