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- W2349830284 abstract "Objective To explore the feasibility of dual-source CT with prospectively ECG-triggered high-pitch spiral mode in abdominal angiography.Methods Forty patients of suspected abdominal aortic disease were randomly divided into2 groups.Group A underwent prospectively ECG-triggered high-pitch spiral mode,and group B underwent routine spiral scan mode.The CT value and image noise of the abdominal aorta,celiac trunk,splenic artery,superior mesenteric artery,right renal artery,left renal artery,abdominal aortic bifurcation,muscles of back were measured.The scanning time and dose length product were recorded,and SNR,CNR and effective radiation dose(ED)were calculated.The CT value,image noise,SNR,CNR,scan time,ED and image quality between the two groups were analyzed.Results There were no significant differences in CT value,SNR,CNR and image quality of abdominal aorta,celiac trunk,splenic artery,superior mesenteric artery,right renal artery,left renal artery,abdominal aortic bifurcation(all P0.05),while there were significant differences in image noise,scan time and ED between the two groups(all P0.05).Compared with group B,the scan time of group A decreased 86.45%,and ED decreased 72.56%.Conclusion The prospectively ECG-triggered highpitch spiral mode of dual-source CT in abdominal angiography can be used to significantly reduce radiation dose while image quality can meet the clinical diagnosis." @default.
- W2349830284 created "2016-06-24" @default.
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- W2349830284 date "2015-01-01" @default.
- W2349830284 modified "2023-09-23" @default.
- W2349830284 title "Prospectively electrocardiogram-triggered high-pitch spiral mode of dual-source CT in abdominal angiography" @default.
- W2349830284 hasPublicationYear "2015" @default.
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