Impact of a motion correction algorithm on quality and diagnostic utility in unselected patients undergoing coronary CT angiography

被引：11

作者：

Sheta, Hussam Mahmoud ^{[1
]}

Egstrup, Kenneth ^{[1
]}

Husic, Mirza ^{[1
]}

Heinsen, Laurits Juhl ^{[1
]}

Lambrechtsen, Jess ^{[1
]}

机构：

[1] OUH Svendborg Sygehus, Med Forskningsafdeling, Inst Reg Hlth Res, Valdemarsgade 53, DK-5700 Svendborg, Denmark

来源：

CLINICAL IMAGING | 2016年 / 40卷 / 02期

关键词：

Coronary computed tomography; Motion correction algorithm; Motion artifacts; Diagnostic utility; Snapshot Freeze; SPIRAL COMPUTED-TOMOGRAPHY; HEART-RATE-VARIABILITY; IMAGE QUALITY; ROW CT; ARTERY-DISEASE; RECONSTRUCTION; ACCURACY; VISUALIZATION; EXPERIENCE; RESOLUTION;

D O I：

10.1016/j.clinimag.2015.10.007

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Aims: The aims of the study were to investigate the diagnostic utility of motion correction reconstruction algorithm Snapshot Freeze (SSF) compared to the standard reconstruction algorithm (STD) in coronary computed tomography angiography (CCTA) images where a prescan heart-rate-lowering protocol is fully integrated. Methods: CCTA was performed in 140 patients. Two independent blinded readers made image evaluation of the SSF and STD images. Results: SSF reduced the motion artifacts (30% vs. 41%; P<.05) and improved the image quality ("excellent' images: 52% vs. 42%; P=.022), but did not influence diagnostic utility ("nondiagnostic" images: 10% vs. 14%; P=.104). Conclusion: The use of the SSF algorithm reduced the presence of motion artifacts and improved image quality, but did not influence the diagnostic utility. (C) 2015 Elsevier Inc. All rights reserved.

引用

收藏

页码：217 / 221

页数：5

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