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[Multicenter Follow-up Survey on Radiation Dose Levels in Cardiovascular X-ray Apparatus under Percutaneous Coronary Intervention Conditions]. | LitMetric

AI Article Synopsis

  • The 2005 survey on dose rates and awareness in interventional radiology indicated challenges in optimizing exposure doses, leading to a follow-up survey after ten years.
  • The follow-up findings revealed significant reductions in mean fluoroscopy dose rates (down 55%) and radiography dose rates (down 71%), with 84% of facilities showing dose rate decreases.
  • Increased collaboration among physicians and heightened interest in exposure reduction were noted, as evidenced by a 33% higher overall score in the questionnaire compared to the previous survey.

Article Abstract

It is important to optimize the exposure dose when conducting interventional radiology, but optimization is difficult for medical centers to achieve independently. In 2005, we administered a questionnaire on the measurement of dose rates and awareness of exposure reduction when performing percutaneous coronary intervention. Ten years later, we conducted a follow-up survey of the same 31 centers to determine the current situation and identify trends. The results of the survey showed that the mean fluoroscopy dose rate decreased to 55% of the 2005 value, from 28.2 to 15.6 mGy/min, and the mean radiography dose rate decreased to 71% of the 2005 value, from 4.2 to 3.0 mGy/s. Dose rates for both fluoroscopy and radiography decreased by 84% of facilities. The results also indicated greater cooperation by physicians compared to 10 years ago. In particular, there was a considerable increase in the exchange of ideas with physicians regarding exposure, suggesting a stronger level of interest in exposure. The overall score for questionnaire items was 33% higher than that in the previous survey. These results show that in the past 10 years, awareness of exposure reduction has improved, and dose optimization has been a major factor in the downward trend in dose rates in radiography and fluoroscopy.

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Source
http://dx.doi.org/10.6009/jjrt.2020_JSRT_76.9.944DOI Listing

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