Two-dimensional speckle-tracking echocardiography for evaluation of dilative ascending aorta biomechanics

Table 7 Correlation between the speckle-tracking echocardiographic parameters and aortic diameters

Parameter	Aortic sinus diameter	Ascending aorta diameter	Aortic cross sectional area
Longitudinal displacement (mm)
Aortic AW	0.23*	NS	NS
Aortic PW	0.22*	NS	NS
Transverse displacement (mm)
Aortic AW	0.33**	0.28**	0.33**
Aortic PW	−0.22*	−0.37**	−0.41**
Longitudinal strain (%)
Aortic AW	−0.23*	NS	NS
Aortic PW	−0.27*	NS	NS
Longitudinal velocity (cm/s)
Aortic AW	NS	NS	NS
Aortic PW	NS	0.22*	NS

AW anterior wall, PW posterior wall
**Correlation is significant at the p < 0.01 level. *Correlation is significant at the p < 0.05 level

ISSN: 1471-2261