Optimisation of Radiation Exposure to Gastroenterologists and Patients during Therapeutic ERCP

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  • Khalid Alzimami
    Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
  • Abdelmoneim Sulieman
    Radiology and Medical Imaging Department, College of Applied Medical Sciences, Salman bin Abdulaziz University, P.O. Box 422, Al-kharj 11942, Saudi Arabia
  • Georgios Paroutoglou
    Public Gastroenterology Department, University Hospital of Larissa, P.O. Box 1425, 41110 Larissa, Greece
  • Spiros Potamianos
    University Gastroenterology Department, University Hospital of Larissa, P.O. Box 1425, 41110 Larissa, Greece
  • Marianna Vlychou
    Radiology Department, University Hospital of Larissa, P.O. Box 1425, 41110 Larissa, Greece
  • Kiki Theodorou
    Medical Physics Department, University Hospital of Larissa, P.O. Box 1425, 41110 Larissa, Greece

Abstract

<jats:p>This study intended to optimize the radiation doses for gastroenterologists and patients during therapeutic endoscopic retrograde cholangiopancreatography (ERCP) and to compare the doses based on available data obtained by other researchers. A total of 153 patients were studied in two Gastroenterology Departments, (group A, 111; group B, 42). Thermoluminescent dosimeters (TLD) were used to measure the staff and patients entrance surface air kerma (ESAK) at different body sites. The mean ESAK and effective doses per procedure were estimated to be 68.75 mGy and 2.74 mSv, respectively. Staff was exposed to a heterogonous doses. The third examiner (trainee) was exposed to a high dose compared with other examiners because no shield was located to protect him from stray radiation. Patients and examiners doses were lower compared to the lowest values found in previous studies taking into consideration the heterogeneity of patients and equipment. Staff doses during ERCP are within the safety limit in the light of the current practice.</jats:p>

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