Clinical Study
Speckle-Tracking and Tissue-Doppler Stress Echocardiography in Arterial Hypertension: A Sensitive Tool for Detection of Subclinical LV Impairment
Table 6
Speckle-tracking and tissue-Doppler: Strain rate at rest and during stress testing;
-values are calculated with the Mann-Whitney-
-test.
| | Hypertensive () | Control () | -value |
| At rest | STE (entire septum) | −1.25 SD 0.57 | −1.28 SD 0.21 | 0.037 | STE (basal septum) | −1.22 SD 0.42 | −1.17 SD 0.31 | NS | TDI (entire septum) | −1.16 SD 0.19 | −1.37 SD 0.27 | <0.001 | TDI (basal septum) | −1.24 SD 0.27 | −1.39 SD 0.37 | 0.030 |
| 50 Watts | STE (entire septum) | −1.65 SD 0.36 | −1.86 SD 0.33 | 0.002 | STE (basal septum) | −1.56 SD 0.56 | −1.72 SD 0.49 | NS | TDI (entire septum) | −1.55 SD 0.25 | −2.00 SD 0.39 | <0.001 | TDI (basal septum) | −1.63 SD 0.30 | −2.06 SD 0.42 | <0.001 |
| 150 Watts | STE (entire septum) | −1.87 SD 0.37 | −2.35 SD 0.53 | <0.001 | STE (basal septum) | −1.93 SD 0.63 | −2.30 SD 0.64 | 0.004 | TDI (entire septum) | −1.85 SD 0.30 | −2.42 SD 0.49 | <0.001 | TDI (basal septum) | −1.85 SD 0.41 | −2.55 SD 0.65 | <0.001 |
|
|