"3D Fusion" Echocardiography Improves 3D Left Ventricular Assessment: Comparison with 2D Contrast Echocardiography

被引:8
作者
Augustine, Daniel [1 ]
Yaqub, Mohammad [2 ]
Szmigielski, Cezary [3 ]
Lima, Eduardo [1 ]
Petersen, Steffen E. [4 ]
Becher, Harald [5 ]
Noble, J. Alison [2 ]
Leeson, Paul [1 ]
机构
[1] Univ Oxford, Div Cardiovasc Med, Oxford Cardiovasc Clin Res Facil, Radcliffe Dept Med, Oxford, England
[2] Univ Oxford, Inst Biomed Engn, Dept Engn Sci, Oxford, England
[3] Med Univ Warsaw, Dept Internal Med Hypertens & Vasc Dis, PL-02097 Warsaw, Poland
[4] Queen Mary Univ London, NIHR CVBRU Barts, William Harvey Res Inst, London, England
[5] Univ Alberta, Mazankowski Alberta Heart Inst, Edmonton, AB, Canada
来源
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES | 2015年 / 32卷 / 02期
基金
英国工程与自然科学研究理事会;
关键词
echocardiography; 3D; contrast; image fusion; TIME 3-DIMENSIONAL ECHOCARDIOGRAPHY; STRESS ECHOCARDIOGRAPHY; CLINICAL-APPLICATIONS; ATRIAL ARRHYTHMIAS; COMPUTED-TOMOGRAPHY; SIZE; SEGMENTATION; MULTICENTER; AGENTS; RECOMMENDATIONS;
D O I
10.1111/echo.12655
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BackgroundThree-dimensional fusion echocardiography (3DFE) is a novel postprocessing approach that utilizes imaging data acquired from multiple 3D acquisitions. We assessed image quality, endocardial border definition, and cardiac wall motion in patients using 3DFE compared to standard 3D images (3D) and results obtained with contrast echocardiography (2DC). MethodsTwenty-four patients (mean age 66.913years, 17 males, 7 females) undergoing 2DC had three, noncontrast, 3D apical volumes acquired at rest. Images were fused using an automated image fusion approach. Quality of the 3DFE was compared to both 3D and 2DC based on contrast-to-noise ratio (CNR) and endocardial border definition. We then compared clinical wall-motion score index (WMSI) calculated from 3DFE and 3D to those obtained from 2DC images. ResultsFused 3D volumes had significantly improved CNR (8.92 +/- 1.35 vs. 6.59 +/- 1.19, P<0.0005) and segmental image quality (2.42 +/- 0.99 vs. 1.93 +/- 1.18, P<0.005) compared to unfused 3D acquisitions. Levels achieved were closer to scores for 2D contrast images (CNR: 9.04 +/- 2.21, P=0.6; segmental image quality: 2.91 +/- 0.37, P<0.005). WMSI calculated from fused 3D volumes did not differ significantly from those obtained from 2D contrast echocardiography (1.06 +/- 0.09 vs. 1.07 +/- 0.15, P=0.69), whereas unfused images produced significantly more variable results (1.19 +/- 0.30). This was confirmed by a better intraclass correlation coefficient (ICC 0.72; 95% CI 0.32-0.88) relative to comparisons with unfused images (ICC 0.56; 95% CI 0.02-0.81). Conclusion3DFE significantly improves left ventricular image quality compared to unfused 3D in a patient population and allows noncontrast assessment of wall motion that approaches that achieved with 2D contrast echocardiography.
引用
收藏
页码:302 / 309
页数:8
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