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- W2392967820 abstract "Objective To compare the value of 64-and 320-slice spiral CT in displaying coronary artery stents and diagnosing in-stent restenosis.Methods Data of 64(64-slice spiral CT group,including 20cases with 38stents) and 320(320slice spiral CT group,including 42cases with 64stents) slice spiral CT coronary angiography of 62patients after coronary artery stent implantation were retrospectively analyzed.The image quality,patients'heart rate and effective radiation dose(ED) of the two groups were compared.Moreover,the diagnostic ability for in-stent restenosis of 64-and 320-slice spiral CT were evaluated with CAG results as gold standards.Results There was no significant difference in image quality(P 0.05) between two groups.Statistical differences were found in patients'heart rate and ED(both P0.05).The sensitivity,specificity,positive predictive value,negative predictive value and accuracy of 64-slice spiral CT was 100%(5 / 5),92.31%(24 / 26),71.43%(5 / 7),100%(24 / 24) and 93.55%(29 / 31),respectively,that in 320-slice spiral CT group was 100%(11 / 11),95.65%(44 / 46),84.62%(11 / 13),100%(44 / 44),96.49%(55 / 57),respectively.No significant difference of above diagnostic indexes was found(all P0.05).Conclusion Both 64-and 320-slice spiral CT can be used to follow-up after percutaneous coronary intervention,but 320-slice spiral CT have fewer requirements of patients'heart rate and less radiation." @default.
- W2392967820 created "2016-06-24" @default.
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- W2392967820 date "2012-01-01" @default.
- W2392967820 modified "2023-09-27" @default.
- W2392967820 title "Comparative analysis between 64-and 320-slice spiral CT in observation of coronary artery stents" @default.
- W2392967820 hasPublicationYear "2012" @default.
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