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Related Experiment Videos

Radiation exposure during anaesthetic practice.

D P Durack1, A I Gardner, A Trang

  • 1Sir Charles Gairdner Hospital, Perth, Western Australia, Australia.

Anaesthesia and Intensive Care
|April 19, 2006
PubMed
Summary

Occupational radiation exposure for anaesthetists in radiology is generally low. However, pregnant staff require careful consideration, and all anaesthetists should wear thyroid collars to mitigate risks from ionizing radiation.

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Area of Science:

  • Medical Physics
  • Occupational Health
  • Radiology

Background:

  • Increased use of anaesthesia outside traditional operating theatres, such as radiology suites, may elevate occupational risks from ionizing radiation for anaesthetists.
  • Understanding radiation exposure is crucial for ensuring the safety of healthcare professionals in evolving medical environments.

Purpose of the Study:

  • To quantify the occupational radiation exposure experienced by anaesthetists during routine practice in areas utilizing X-ray sources.
  • To assess whether current anaesthetic practices pose a significant risk concerning ionizing radiation exposure limits.

Main Methods:

  • Passive personal radiation monitoring devices were employed to measure occupational radiation exposure.
  • Twenty-nine anaesthetists' exposure was recorded over a one-month period.
  • Whole body effective dose was calculated and extrapolated to estimate annual exposure.

Main Results:

  • Seven out of 29 anaesthetists exceeded the minimum detectable radiation dose limit.
  • The maximum extrapolated annual whole body effective dose was 2.14 mSv, well below the occupational limit of 20 mSv/year.
  • One anaesthetist's highest exposure (2.14 mSv) exceeded the recommended limit for pregnant women (1 mSv); collar dose was 7.08 mSv.

Conclusions:

  • While overall anaesthetist radiation exposure remains within acceptable occupational limits, specific attention is needed for pregnant staff.
  • Routine use of thyroid collars is recommended for all anaesthetists working in radiation-exposed environments to protect the thyroid.
  • Careful rostering of pregnant anaesthetists in areas with potential radiation exposure is advised.

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