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The last illness factor: a District experience.

J G Russell1

  • 1St Mary's Hospital, Manchester.

The British Journal of Radiology
|November 1, 1988
PubMed
Summary
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The "last illness factor," representing diagnostic X-ray exposure during a patient's final illness, was found to be approximately 5%. This factor is considered very small when assessing potential harm from diagnostic radiation.

Area of Science:

  • Medical Imaging
  • Radiation Safety
  • Public Health

Background:

  • Diagnostic X-ray examinations contribute to patient radiation exposure.
  • Quantifying radiation exposure during a patient's terminal phase of life is crucial for accurate risk assessment.
  • The 'last illness factor' is a metric used to assess this terminal exposure proportion.

Purpose of the Study:

  • To determine the proportion of diagnostic X-ray exposure attributed to a patient's last illness.
  • To evaluate the significance of the 'last illness factor' in the overall assessment of harm from diagnostic radiation.

Main Methods:

  • Retrospective analysis of radiographic examinations for patients who died in 1985 in Manchester Central District.
  • Comparison of examinations during the last illness with the total diagnostic department workload for 1985.

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Main Results:

  • The 'last illness factor' was estimated to be approximately 5% of the total diagnostic X-ray workload.
  • This proportion is considered small relative to other factors influencing the assessment of radiation harm.

Conclusions:

  • The contribution of diagnostic X-ray exposure during a patient's final illness is minimal.
  • This finding suggests that the 'last illness factor' has a low impact on the overall risk-benefit analysis of diagnostic radiation.