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Effective dose in Albanian direct chest fluoroscopy

Lookup NU author(s): Dr Keith Faulkner


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In the absence of reliable supplies of X-ray film, direct fluoroscopy is still extensively used in Albania, with chest radiology a particularly common application. This paper aims to quantify both patient skin dose and the risk-related quantity effective dose for direct fluoroscopy units based in seven different Albanian X-ray departments. A standard Quality Assurance (QA) protocol was used to assess tube potential accuracy, half value layer and X-ray tube output of these units. Three groups of X-ray beam parameters were defined from the QA results, covering the range of chest posteroanterior (PA) fluoroscopy technique factors seen during the study. Organ-equivalent doses were then measured for a nominal PA chest fluoroscopy examination using a Rando anthropomorphic phantom loaded with lithium fluoride thermoluminescent dosimeter chips. Normalised organ dose factors are listed for the three groups of beam conditions simulated. Using these factors, effective dose for the seven systems surveyed was found to be between 0.06 and 0.42 mSv for a 20 s PA chest fluoroscopy examination. Mean effective dose for this group of systems was 0.22 mSv which is a factor of 13 greater than mean effective dose for film/screen PA chest radiography in the UK, whereas entrance surface dose was a factor of 50 greater than the current EU reference level.

Publication metadata

Author(s): Marshall NW, Shehu G, Marsh D, Faulkner K, Malone J, Dewhurst K

Publication type: Article

Publication status: Published

Journal: European Radiology

Year: 2001

Volume: 11

Issue: 4

Pages: 705-710

ISSN (print): 0938-7994

ISSN (electronic): 1432-1084

Publisher: Springer


DOI: 10.1007/s003300000462


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