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

Table 4

Tissue-doppler: peak LV strain at rest and during stress echocardiography.

	All subjects ()
	Hypertensive ()	Control ()	-value
At rest
Circumferential	−18.9 SD 2.6	−22.2 SD 2.1	<0.001
Longitudinal (2)	−18.3 SD 2.1	−20.8 SD 2.3	<0.001
Longitudinal (3)	−17.3 SD 4.1	−19.2 SD 2.4	<0.001
Longitudinal (4)	−18.0 SD 2.3	−20.1 SD 2.3	<0.001
50 Watts
Circumferential	−19.5 SD 3.1	−23.1 SD 4.4	<0.001
Longitudinal (2)	−19.1 SD 2.7	−21.6 SD 2.2	<0.001
Longitudinal (3)	−17.9 SD 2.3	−21.1 SD 2.5	<0.001
Longitudinal (4)	−18.9 SD 2.2	−21.5 SD 3.0	<0.001
150 Watts
Circumferential	−19.8 SD 3.8	−23.9 SD 3.6	<0.001
Longitudinal (2)	−19.4 SD 2.6	−22.1 SD 2.5	<0.001
Longitudinal (3)	−18.6 SD 2.0	−21.8 SD 3.0	<0.001
Longitudinal (4)	−19.3 SD 2.6	−22.5 SD 2.9	<0.001