Assessment of Myocardial Contractile Function Using Global and Segmental Circumferential Strain following Intracoronary Stem Cell Infusion after Myocardial Infarction: MRI Feature Tracking Feasibility Study
Table 1
Global circumferential strain at base, mid, and apex for cases and controls.
Strain
Mean
SD
Median
value*
Treatment
Base
Baseline
−18.4
14.4
−22.0
Month 3
−24.4
4.8
−24.9
0.03
Month 6
−22.8
6.7
−21.8
0.63
Mid
Baseline
−18.2
12.3
−21.1
Month 3
−20.9
5.5
−21.4
0.59
Month 6
−20.7
6.9
−22.5
0.30
Apex
Baseline
−16.2
6.3
−15.4
Month 3
−16.6
6.4
−15.8
0.79
Month 6
−18.3
7.8
−19.9
0.35
Control
Base
Baseline
−21.3
6.3
−20.0
Month 3
−21.7
4.9
−21.0
0.73
Month 6
−22.8
4.8
−20.6
0.30
Mid
Baseline
−20.4
6.2
−19.5
Month 3
−19.1
6.1
−18.3
0.99
Month 6
−20.8
5.9
−18.9
0.91
Apex
Baseline
−20.3
9.0
−17.2
Month 3
−21.1
8.1
−20.9
0.73
Month 6
−23.0
6.2
−23.5
0.25
Wilcoxon signed-rank test for change from baseline within each group.
