What can three-dimensional speckle-tracking echocardiography contribute to evaluate global left ventricular systolic performance in patients with heart failure?

Xiu-Xia Luo, Fang Fang, Alex Pui-Wai Lee, Jing-Ping Sun, Shuang Li, Zhi-Hua Zhang, John E Sanderson, Joey S W Kwong, Qing Zhang, Jing Wang, Cheuk-Man Yu
International Journal of Cardiology 2014 March 1, 172 (1): 132-7

PURPOSE: Three-dimensional speckle-tracking echocardiography (3D-STE) is a newly developed technique to evaluate left ventricular (LV) deformation by measuring the area strain (AS) of endocardial surface that combines information from both longitudinal (LS) and circumferential strain (CS). We performed a study to examine myocardial deformation in patients with heart failure (HF) using 3D-STE.

METHOD: A total of 149 subjects including 58 patients with HF and preserved ejection fraction (HFPEF), 45 patients with HF and reduced ejection fraction (HFREF), and 46 normal subjects were prospectively studied by 3D-STE.

RESULT: After adjusting for age, gender and BSA, global CS, LS, radial strain (RS) and AS derived from 3D-STE in patients with HFPEF were significantly higher than their counterparts in patients with HFREF (all p<0.001), but lower than that in normal subjects (all p<0.05). In addition, among all the strain parameters, global AS exhibited the highest correlation with LV ejection fraction (y=1.243x+6.332, r=0.982, p<0.001) and the best intra- (ICCs: 0.986, p<0.001) and inter-observer variability (ICCs: 0.978, p<0.001) than other parameters of 3D strain (CS: 0.981 and 0.974; LS: 0.908 and 0.841; RS: 0.946 and 0.915; all p<0.001).

CONCLUSIONS: Measurement of endocardial surface AS based on 3D-STE technique is reproducible and proves to be accurate and comprehensive in assessing the global LV performance and multidirectional deformation of the LV myocardium in HF patients.

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