Speckle-Tracking and Tissue-Doppler Stress Echocardiography in Arterial Hypertension: A Sensitive Tool for Detection of Subclinical LV Impairment

Table 5

Speckle-tracking: peak LV strain at rest and during stress echocardiography.

	All subjects ()
	Hypertensive ()	Control ()	-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