|
Variance
|
Wall
|
Base
|
Mid
|
Apex
|
|---|
|
Normal peak systolic radial strain
|
IVS
|
0.37 ± 0.11*
|
0.32 ± 0.15**
|
0.25 ± 0.11
|
|
LVPW
|
0.59 ± 0.18
|
0.51 ± 0.16
|
0.35 ± 0.14***
|
|
P
|
<0.00001
|
<0.00001
|
<0.01
|
|
Time to peak systolic radial strain (ms)
|
IVS
|
341 ± 35*
|
343 ± 23*
|
361 ± 35
|
|
LVPW
|
413 ± 43*
&
|
384 ± 37
|
385 ± 47
|
|
P
|
<0.00001
|
<0.00001
|
<0.01
|
|
Shear strain (degree)
|
IVS
|
−2.1 ± 9.1
|
0.0 ± 6.2
|
2.5 ± 8.6
|
|
LVPW
|
−1.0 ± 9.4
|
−0.1 ± 9.0
|
1.3 ± 8.8
|
|
P
|
ns
|
ns
|
ns
|
- Notes: *Compared to the apex of the same wall, P < 0.05; **Compared to the apex of the same wall, P < 0.01; ***Compared to the apex of the same wall, P < 0.0001; &Compared to the mid of the same wall, P < 0.01. LVPW, Left ventricular posterior wall; IVS, Interventricular septum; LV, Left ventricle.
