Table 2 Averaged stress GLS and stress longitudinal strain values of left ventricle segments, and walls in patients with and without severe coronary artery stenosis
LS of myocardial segments and walls at stress (%), mean ± SD | Coronary artery stenosis (N = 16) | No coronary artery stenosis (N = 17) | P value |
|---|---|---|---|
Basal anterior | -18 ± 11 | -22 ± 10 | 0.2 |
Mid anterior | -20 ± 14 | -23 ± 11 | 0.2 |
Apical anterior | -18 ± 15 | -28 ± 9 | 0.032 |
Basal lateral | -14 ± 11 | -20 ± 12 | 0.11 |
Mid lateral | -14 ± 13 | -19 ± 8 | 0.14 |
Apical lateral | -17 ± 10 | -26 ± 11 | 0.02 |
Basal posterior | -18 ± 10 | -24 ± 9 | 0.14 |
Mid Posterior | -23 ± 13 | -23 ± 9 | 0.5 |
Apical posterior | -24 ± 13 | -27 ± 11 | 0.4 |
Basal inferior | -16 ± 10 | -21 ± 11 | 0.15 |
Mid inferior | -19 ± 11 | -22 ± 11 | 0.23 |
Apical inferior | -24 ± 13 | -27 ± 12 | 0.29 |
Basal inferoseptal | -12 ± 8 | -18 ± 10 | 0.08 |
Mid inferoseptal | -14 ± 7 | -22 ± 9 | 0.023 |
Apical inferoseptal | -15 ± 11 | -23 ± 12 | 0.02 |
Basal anteroseptal | -12 ± 11 | -18 ± 10 | 0.14 |
Mid anteroseptal | -14 ± 12 | -21 ± 9 | 0.03 |
Apical anteroseptal | -23 ± 17 | -32 ± 13 | 0.05 |
Two-Chamber | -18 ± 9 | -25 ± 8 | 0.057 |
Three-Chamber | -18 ± 9 | -25 ± 8 | 0.04 |
Four-Chamber | -15 ± 6 | -23 ± 8 | 0.009 |
Averaged | -17 ± 7 | -24 ± 7 | 0.041 |
Anterior | -19 ± 9 | -24 ± 8 | 0.03 |
Lateral | -15 ± 9 | -21 ± 8 | 0.08 |
Posterior | -22 ± 10 | -25 ± 6 | 0.41 |
Inferior | -20 ± 10 | -23 ± 9 | 0.19 |
Inferoseptal | -14 ± 6 | -20 ± 7 | 0.016 |
Anteroseptal | -16 ± 9 | -24 ± 8 | 0.047 |