ArticleCureus2026
Lower-Extremity CT Angiography: Inter-Hospital Dose Variability and Protocol Optimization in Sudan.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
2 authors.
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Abstract
Introduction Lower-extremity CT angiography (CTA) is widely used for the evaluation of peripheral arterial disease but is associated with substantial radiation exposure. Even when identical CT scanners are used, variability in protocol design may lead to marked differences in patient dose. Purpose The primary aims of this study are: assess inter-hospital variability in radiation dose for lower-extremity CTA performed on identical 64-slice CT scanners (Aquilion 64; Toshiba Medical Systems, Otawara, Japan), identify protocol-related factors amenable to dose optimization within existing CT system capabilities. Methods This multicentre retrospective observational study included 74 adult patients undergoing clinically indicated lower-extremity CT angiography at four hospitals using identical 64-slice CT scanners (Hospital one: n=15; Hospital two: n=21; Hospital three: n=17; Hospital four: n=21). Radiation dose metrics, including volume CT dose index (CTDI
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