Establishment of diagnostic reference levels for CT trunk examinations in the Western region of Saudi Arabia

Files in This Item:
File Description SizeFormat 
Radiat_Prot_Dosimetry-2014-Qurashi-rpd-ncu343.pdf275.82 kBAdobe PDFDownload
Title: Establishment of diagnostic reference levels for CT trunk examinations in the Western region of Saudi Arabia
Authors: Qurashi, Abdulaziz A.
Rainford, Louise A.
Foley, Shane J.
Permanent link:
Date: 2-Dec-2014
Online since: 2015-12-11T13:51:38Z
Abstract: Diagnostic reference levels (DRLs) are an important optimisation tool, which aid in identifying abnormally high dose levels. These are currently not available in Saudi Arabia, and this research aims to remedy this. CT dose data (DLP and CTDIvol) were collected for a minimum number of 10 adult patients of average size (60–80 kg) presenting for a range of CT examinations from public hospitals in the western region of Saudi Arabia. These include routine chest, high-resolution chest (HRCT), pulmonary angiography (CTPA), abdomen and pelvis (AP) and the combined chest, abdomen and pelvis (CAP) CT examinations. Mean values for each site were calculated, and the 75th percentile of DLP and CTDIvol was used as a basis for DRLs. Data for 550 patients were collected from 14 hospitals over a 7-month period. The rounded third-quartile CTDIvol and DLP were 18 mGy and 630 mGy cm−1 for chest CT, 20 mGy and 600mGy cm−1 for HRCT, 18 mGy and 480 mGy cm−1 for CTPA, 15 mGy and 800 mGy cm−1 for AP, and 16 mGy and 1040 mGy cm−1 for CAP, respectively. Regional DRLs have been proposed from this study. Dose variations across CT departments have identified an urgent need for optimisation to improve distribution of observed doses for CT examinations.
Type of material: Journal Article
Publisher: Oxford University Press
Journal: Radiation Protection Dosimetry
Start page: 1
End page: 7
Copyright (published version): 2014 the Authors
Keywords: Diagnostic reference levels (DRLs)CT scansSaudi Arabia
DOI: 10.1093/rpd/ncu343
Language: en
Status of Item: Peer reviewed
Appears in Collections:Medicine Research Collection

Show full item record

Citations 50

Last Week
Last month
checked on Jun 24, 2019

Google ScholarTM



This item is available under the Attribution-NonCommercial-NoDerivs 3.0 Ireland. No item may be reproduced for commercial purposes. For other possible restrictions on use please refer to the publisher's URL where this is made available, or to notes contained in the item itself. Other terms may apply.