Abstract
Objective: Exposure of surgeons and nurses to radiation during endoscopic retrograde cholangiopancreatography (ERCP) has not been studied in our locality. Recently, data suggest that cataracts can occur at doses far lower than the permissible occupational limits. The present study is to determine the amount of radiation absorbed by surgeons and nurses while carrying out ERCP.Methods: We prospectively recorded the radiation absorption of three surgeons and two nurses during all ERCP procedures for 6 months. Radiation absorption was measured by wearing thermoluminescent dosimeters specifically for measuring eye lens, finger and whole‐body dose. Results were compared with standards set by the International Commission on Radiation Protection. The difference in absorbed radiation to different parts of the body among each individual was evaluated. The number of ERCP procedures a surgeon can tolerate before reaching the occupational limit was determined. Ways to minimise radiation exposure are discussed.Results: Three surgeons carried out a total of 134 ERCP, while two nurses assisted in 255 ERCP over a period of 6 months. The mean yearly whole‐body, eyes and fingers‐absorbed dose for surgeons were 0.19 mSv, 0.25 mSv and 0.62 mSv, respectively; whereas those for nurses were 0.1 mSv, 0.84 mSv and 1.07 mSv, respectively. They were all well below the international occupational limit. Among the whole‐body dose, eye lens dose and fingers dose, eye lens dose was the first factor that reached the occupational limit.Conclusion: The current radiation safety practice in our endoscopy suite is satisfactory. Human eyes are more vulnerable to radiation damage when compared with the rest of the body. Wearing lead‐eyeglasses during ERCP is mandatory.
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