Skip to main content

Table 3 Myocardial mechanics

From: Dissecting myocardial mechanics in patients with severe aortic stenosis: 2-dimensional vs 3-dimensional-speckle tracking echocardiography

ParameterStudy cohortReference valuesP value
2D measurements (N = 168)
 GLS (%)−16.2 ± 2.1−19.7 (−20.4, −18.9)a< 0.0001
 GCS (%)−27.4 ± 4.6−23.3 (−24.6, −22.1)a< 0.0001
 GRS (%)37.5 ± 8.247.3 (43.6, 51.0)a< 0.0001
 Basal rotation (°)−7.8 ± 2.2−7.5 ± 5.4b0.06
 Apical rotation (°)10.7 ± 4.06.3 ± 3.5b< 0.0001
 Twist (°)18.5 ± 4.713.4 ± 8.2b< 0.0001
3D measurements (N = 165)
 GLS (%)−14.5 ± 1.9− 19.1 (− 18.2, 19.9)c< 0.0001
 GCS (%)−30.5 ± 7.1−22.4 (−21.0, − 23.9)c< 0.0001
 GRS (%)41.6 ± 9.847.5 (41.5, 53.5)c< 0.0001
 Twist (°)13.7 ± 7.010.2 ± 7.6b0.003
  1. Data are expressed as mean ± standard deviation or mean (95% confidence interval)
  2. Abbreviations: 2D 2-dimensional, 3D 3-dimensional, GLS Global longitudinal strain, GCS Global circumferential strain, GRS Global radial strain
  3. aYingchoncharoen et al. [23]
  4. bAndrade et al. [24]
  5. cTruong et al. [25]