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Radiation exposure to personnel performing endoscopic retrograde cholangiopancreatography

¹ Department of Gastroenterology, University Hospitals Coventry and Warwickshire NHS Trust, UK
² Department of Clinical Physics and Bioengineering, University Hospitals Coventry and Warwickshire NHS Trust
³ Department of Radiology, University Hospitals Coventry and Warwickshire NHS Trust

Correspondence to:
Correspondence to:
Dr L S Naidu
Department of Radiology, University Hospitals of Leicester NHS Trust, Leicester LE1 5WW, UK; srinaidu{at}hotmail.com

Background: Endoscopic retrograde cholangiopancreatography (ERCP) relies on the use of ionising radiation but risks to operator and patient associated with radiation exposure are unclear. The aim of this prospective study was to estimate the radiation dose received by personnel performing fluoroscopic endoscopic procedures, mainly ERCP.

Methods: Consecutive procedures over a two month period were included. The use of thermoluminescent dosimeters to measure radiation exposure to the abdomen, thyroid gland, and hands of the operator permitted an estimation of the annual whole body effective dose equivalent.

Results: During the study period 66 procedures (61 ERCP) were performed and the estimated annual whole body effective dose equivalent received by consultant operators ranged between 3.35 and 5.87 mSv. These values are similar to those received by patients undergoing barium studies and equate to an estimated additional lifetime fatal cancer risk between 1 in 7000 and 1 in 3500. While within legal safety limits for radiation exposure to personnel, these doses are higher than values deemed acceptable for the general public.

Conclusions: It is suggested that personnel as well as patients may be exposed to significant values of radiation during ERCP. The study emphasises the need to carefully assess the indication for, and to use measures that minimise radiation exposure during any fluoroscopic procedure.

Abbreviations: ERCP, endoscopic retrograde cholangiopancreatography; ED, effective dose