Table 5.
Speckle-tracking: peak LV strain at rest and during stress echocardiography.
| All subjects (n = 92) | |||
|---|---|---|---|
| Hypertensive (n = 46) | Control (n = 46) | P-value | |
| At rest | |||
| Circumferential | −17.2 SD 3.0 | −19.9 SD 3.7 | 0.001 |
| Longitudinal (2) | −17.6 SD 3.4 | −20.1 SD 3.7 | 0.002 |
| Longitudinal (3) | −17.9 SD 3.4 | −19.8 SD 3.2 | 0.010 |
| Longitudinal (4) | −18.2 SD 3.3 | −19.6 SD 3.0 | 0.014 |
|
| |||
| 50 Watts | |||
| Circumferential | −17.6 SD 4.2 | −21.2 SD 3.4 | <0.001 |
| Longitudinal (2) | −19.3 SD 3.6 | −21.4 SD 3.8 | 0.010 |
| Longitudinal (3) | −19.5 SD 3.5 | −20.9 SD 2.5 | 0.033 |
| Longitudinal (4) | −19.5 SD 2.9 | −21.0 SD 3.1 | 0.011 |
|
| |||
| 150 Watts | |||
| Circumferential | −18.2 SD 4.3 | −22.2 SD 3.6 | <0.001 |
| Longitudinal (2) | −18.6 SD 4.2 | −21.6 SD 4.1 | 0.005 |
| Longitudinal (3) | −18.9 SD 3.4 | −21.0 SD 3.6 | 0.011 |
| Longitudinal (4) | −19.7 SD 3.3 | −20.7 SD 3.4 | NS |