Assessment of Radiation Risks During Brain CT Procedures in Moroccan Hospitals Aabid Mohammed1, Semghouli Slimane2, Amaoui Bouchra3, Fahssi Mohamed El4, Hakam Oum Keltoum5, Choukri Abdelmajid6 1Department of Physics, Nuclear Physics and Techniques Research Unit Faculty of Sciences, University of Ibn Tofail, Kenitra 2Department of Health Techniques, Higher Institute of Nursing Professions and Health Technics, Agadir 3Department of Health Technics, Higher Institute of Nursing Professions and Health Techniques, Agadir 4Department of Physics, Nuclear Physics and Techniques Research Unit Faculty of Sciences, University of Ibn Tofail, Kenitra 5Department of Radiotherapy, Regional Center of Oncology, Agadir 6Department of physics, Nuclear Physics and techniques Research Unit Faculty of Sciences, University of Ibn Tofail, Kenitra Online published on 23 December, 2019. Abstract Ct scans or Computed Tomography use X-rays to make detailed pictures of the area inside the body. CT brain examinations are used to diagnose the skull, brain, paranasal sinuses, eye sockets and other various head conditions. In the other side, if patients are exposed to greater radiation doses, it is more likely that they develop a cancer or biological effect. This study aims to measure the patient radiation dose during a brain CT procedure and to assess the radiation dose and biological effects. Six radiology departments in different medical centers were object to this study. These departments are equipped with various CT machines adjusted as stated by international protocols. A number of 180 patients underwent brain CT scans. Effective radiation dose, cancer and biological risks were estimated using the International Commission on Radiological Protection (ICRP) conversion coefficients. The effective dose for Brain CT procedure in Moroccan hospital varied between (0, 80± 0, 12) and (5, 47± 1, 51) mSv with an average value of (2, 96± 0, 67) mSv. The cancer risk per Brain procedure ranged between 44 and 301 with an average value of 163 per 1 million procedures. The hereditary risk per Brain procedure ranged between 2 and 11 with an average value of 6 per 1 million procedures. The effective dose and risk factors for brain CT scan examination are higher than the national averages for one third of our hospitals. Patient radiation risks are serious during multiple image acquisition. The current study shows that 66% of the examinations with normal results. Nevertheless, staff ought to optimize the radiation dose during Brain procedures. Top Keywords CT scan, Radiation Risks, Doses. Local DRL Assessment. Top |