IPEM Topical Report: An evidence and risk assessment based analysis of the efficacy of tube and generator quality assurance tests on general x-ray units

Ian Honey (Lead / Corresponding author), Amy Rose, Chris Baker, Paul Charnock, Jason Fazakerley, Gareth Richard Iball, Manthos Koutalonis, Mandy Price, Caroline Renaud, Daniel Shaw, Tim J. Wood, Mark Worrall

Research output: Contribution to journalArticle

2 Citations (Scopus)
26 Downloads (Pure)

Abstract

This work aims to assess the efficacy of current x-ray quality assurance (QA) testing regimes on tube and generator systems for general radiographic usage in the UK. 1393 sets of QA results data from 9 UK medical physics departments were collected and analysed. Test failure rates ranged from 0 % to 39% and were used to assess the likelihood of the test finding a fault. The magnitude of the recorded faults were used to assess the severity of the failure with due consideration to its impact on image quality and patient dose. The severity and likelihood of the faults were used along with a risk matrix to assess the efficacy of each test. 11 tests were graded 'orange' (indicating an effective test that should be continued), 4 tests were graded 'yellow' (indicating a less effective test that may be continued with a lower frequency considered), and 4 tests were graded green (indicating a low efficacy test that could be removed from test regimes).

Original languageEnglish
Article number245011
Number of pages12
JournalPhysics in Medicine and Biology
Volume63
Issue number24
Early online date15 Nov 2018
DOIs
Publication statusPublished - 12 Dec 2018

Keywords

  • quality assurance
  • general x-ray
  • x-ray tube and generator

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