Table 1.
Echocardiography pre-treatment (=4 weeks after MI) | ||||||
---|---|---|---|---|---|---|
Group | n | HR (bpm) | LVEF (%) | LVFS (%) | LVDs (mm) | LVDd (mm) |
Sham | 12 | 390.5 ± 8.7 | 36.2 ± 1.3 | 18.2 ± 0.7 | 6.9 ± 0.2 | 8.3 ± 0.1 |
IM-MSC | 13 | 399.0 ± 6.7 | 35.8 ± 1.4 | 18.0 ± 0.8 | 7.0 ± 0.1 | 8.5 ± 0.1 |
FG-MSC | 13 | 392.6 ± 6.8 | 35.8 ± 1.0 | 18.2 ± 0.5 | 6.9 ± 0.2 | 8.4 ± 0.2 |
FG-Cont | 12 | 383.6 ± 7.9 | 35.4 ± 1.2 | 17.7 ± 0.7 | 6.7 ± 0.1 | 8.4 ± 0.1 |
Echocardiography at 4 weeks after MSC therapy (=8 weeks after MI) | ||||||
Group | n | HR (bpm) | LVEF (%) | LVFS (%) | LVDs (mm) | LVDd (mm) |
Sham | 12 | 394.7 ± 8.3 | 33.3 ± 1.5 | 16.3 ± 0.8 | 7.7 ± 0.2 | 9.2 ± 0.2 |
IM-MSC | 13 | 393.1 ± 6.6 | 38.9 ± 1.7*† | 20.2 ± 1.0*† | 7.1 ± 0.2*† | 8.9 ± 0.2 |
FG-MSC | 13 | 399.6 ± 6.2 | 43.0 ± 1.4*†§ | 23.2 ± 0.8*†§ | 6.6 ± 0.1*†§ | 8.6 ± 0.2* |
FG-Cont | 12 | 387.6 ± 8.3 | 34.2 ± 1.6 | 16.7 ± 1.0 | 7.5 ± 0.2 | 9.0 ± 0.2 |
Cardiac catheterization at 4 weeks after MSC therapy (=8 weeks after MI) | ||||||
Group | n | HR (bpm) | Dev Pressure (mmHg) | LVEDP (mmHg) | Max dP/dt (mmHg/s) | Min dP/dt (mmHg/s) |
Sham | 12 | 380.5 ± 2.6 | 106.2 ± 3.8 | 10.2 ± 2.0 | 6,463 ± 265 | −6,484 ± 234 |
IM-MSC | 13 | 391.7 ± 4.2 | 120.1 ± 4.0* | 8.7 ± 1.2 | 7,735 ± 275*† | −6,950 ± 198* |
FG-MSC | 13 | 388.7 ± 5.9 | 138.5 ± 3.9*†§ | 6.3 ± 0.8*†§ | 8,044 ± 268*†§ | −7,705 ± 262*†§ |
FG-Cont | 12 | 379.8 ± 4.0 | 111.9 ± 3.7 | 9.2 ± 1.3 | 6,876 ± 321 | −6,773 ± 314 |
Sham group; Sham surgery (open chest only) at 4 weeks after MI
IM-MSC group; intramyocardial MSC injection at 4 weeks after MI
FG-MSC group; epicardial placement of FG incorporating MSC at 4 weeks after MI
FG-Cont group; epicardial placement of FG without MSC at 4 weeks after MI
HR, heart rate; bpm, beat per minute; LVEF, left ventricular ejection fraction; LVFS, left ventricular fractional shortening; LVDs, left ventricular end-systolic dimension; LVDd, left ventricular end-diastolic dimension; Dev Pressure, left ventricular developed pressure; LVEDP, left ventricular end-diastolic pressure.
*p < 0.05 vs. Sham group, † p < 0.05 vs . FG-Cont group, § p < 0.05 vs. IM-MSC group, Mean ± SEM.