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- W1977037178 abstract "Multidetector-row computed tomography coronary images are usually analyzed in mid-diastole (MD). Because of slow coronary motion also in end-systole (ES), we evaluated the impact on image quality of including ES images and defined an efficient reconstruction protocol.In 50 coronary multidetector-row computed tomography studies, 9 reconstructions (at 10% increments of the RR interval) were graded for image quality. Multiple combinations of reconstructions were compared.MD (60-70% of the RR interval) offered the best image quality. In 44% patients, the best reconstruction for >or=1 coronary was found in ES (20-30%). Their heart rate was higher (68.2+/-9.9 bpm vs. 59.2+/-8.8 bpm, P=0.0014). Combining ES and MD consistently offered superior image quality and less nonevaluable vessels than even larger numbers of diastolic reconstructions alone. A combination of 2-3 reconstructions was most efficient. Adding more reconstructions did not significantly improve results.Combining ES and MD reconstructions reduces nonevaluable coronary arteries, particularly with higher heart rates. A protocol including 2-3 reconstructions is the most efficient." @default.
- W1977037178 created "2016-06-24" @default.
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- W1977037178 date "2005-03-01" @default.
- W1977037178 modified "2023-09-25" @default.
- W1977037178 title "The Importance of End-Systole for Optimal Reconstruction Protocol of Coronary Angiography With 16-Slice Multidetector Computed Tomography" @default.
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- W1977037178 doi "https://doi.org/10.1097/01.rli.0000153930.34439.e4" @default.
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