Effective Dose of Computed Tomography (CT) Chest and Abdomen-Pelvis in Some Selected Hospitals in Federal Capital Territory, Abuja, Nigeria

E. C. Nwokorie, S. A. Jonah and M. Y. Onimisi
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E. C. Nwokorie: Department of Radiology, Garki Hospital Abuja, Nigeria
S. A. Jonah: Centre for Energy Research and Training (CERT), Ahmadu Bello University, Zaria, Nigeria
M. Y. Onimisi: Department of Physics, Faculty of Science, Nigerian Defence Academy, Kaduna, Nigeria

International Journal of Healthcare and Medical Sciences, 2017, vol. 3, issue 12, 117-123

Abstract: The Computed Tomography (CT) dose output of some selected hospitals in the Federal capital Territory, Abuja, Nigeria have been determined by calculating the Effective doses of CT Chest and Abdomen-Pelvis of selected hospitals and compared its average with the Mean Reference Dose of CT Chest and Abdomen-Pelvis from four hospitals in the Federal Capital Territory, Abuja, Nigeria. Effective Dose and Scan type were extracted from the CT Chest and Abdomen-Pelvis examinations recorded. The Effective Dose of each patient undergoing the Chest and Abdomen-Pelvis examinations were calculated using the coefficient factor and the DLP values. Patients’ CT dose data from the ages of 18 to 60years from each of the 4 centres for each study type from January, 2013 to December, 2014 was extracted. A total of 112 patients’ CT dose data was extracted. Chest CT Effective Dose ranged from 9.0 to 34.0mSv, while Abdomen-Pelvis CT Effective Dose ranged from 15.9 to 61.0 for all the Centres in Federal Capital Territory, Abuja. This is higher than the recommended Reference Effective Dose range for CT Chest which is from 5 – 7mSv. and for CT Abdomen-Pelvis is from 8 – 14mSv. The mean effective dose from the Chest CT is 21.8mSv and from the Abdomen-Pelvis is 31.9mSv.

Keywords: Computed tomography scan; Effective dose; CT chest; CT abdomen; CT pelvis, CT scan in Abuja; Nigeria (search for similar items in EconPapers)
Date: 2017
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