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