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- W2364646500 abstract "Objective To evaluate the feasibility of low tube voltage and low volume contrast medium protocol for cerebral and carotid CTA with 256-slice spiral CT scanner.MethodsTotally 60 patients underwent cerebral and carotid CTA were included.Patients were randomly divided into three groups(A,B,C group),consisted of a voltage of 120,120,100 kV,and contrast medium of 70,50,50 ml,respectively.Image quality,segmental vascular enhancement,venous enhancement and artifacts as well as the radiation dose values were independently evaluated in 3 groups.Results①There was no significant difference of image quality of the cerebral and carotid arteries except for the right subclavian artery among 3 groups.②The CT value in group C was the highest,and that in group B was the lowest,there were statistical differences among 3 groups on CT values of arteries(all P0.05).③The grading score of venous artifacts in group A was significantly higher than that in group B and C(both P0.05),however there was no significant difference between group B and C(P0.05).The radiation dose in group A and B were significantly higher than that in group C(both P0.05).There was no significant difference between group A and B(P0.05).ConclusionUsing 256-slice CT scanner,low tube voltage and low volume contrast medium protocol for cerebral and carotid CTA can result in high quality images which can meet clinical diagnostic needs." @default.
- W2364646500 created "2016-06-24" @default.
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- W2364646500 date "2012-01-01" @default.
- W2364646500 modified "2023-09-23" @default.
- W2364646500 title "Feasibility of low tube voltage and low volume contrast medium protocol in cerebral and carotid angiography with 256-slice CT" @default.
- W2364646500 hasPublicationYear "2012" @default.
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