Table 1.
EF, % | LVEDV, ml | LVESV, ml | LVPWThd, cm | LV Mass, g | LA Area, cm2 | E/A | PCWP, mmHg | |
---|---|---|---|---|---|---|---|---|
Baseline (n = 21) | ||||||||
Day 0 | 60.1 ± 0.7 | 37.3 ± 0.9 | 11.8 ± 0.7 | 0.79 ± 0.01 | 66.3 ± 1.14 | 6.60 ± 0.16 | 1.15 ± 0.02 | 4.01 ± 0.07 |
MI/saline (n = 7) | ||||||||
Day 3 | 45.8 ± 1.9* | 68.9 ± 4.0* | 38.8 ± 4.0* | 0.64 ± 0.01* | 80.2 ± 3.06* | 8.10 ± 0.45* | 1.33 ± 0.05* | 6.34 ± 0.71* |
Day 7 | 42.9 ± 1.8* | 77.4 ± 4.8* | 45.4 ± 5.6* | 0.56 ± 0.03* | 79.9 ± 4.0* | 9.25 ± 0.36* | 1.45 ± 0.04* | 8.45 ± 1.17* |
Day 14 | 39.2 ± 1.7* | 84.4 ± 5.5* | 50.2 ± 5.7* | 0.52 ± 0.02* | 85.3 ± 3.9* | 10.09 ± 0.43* | 1.56 ± 0.05* | 10.89 ± 1.09* |
Day 21 | 37.4 ± 1.9* | 98.4 ± 9.4* | 57.2 ± 7.9* | 0.49 ± 0.03* | 90.3 ± 5.4* | 10.95 ± 0.43* | 1.70 ± 0.07* | 10.93 ± 0.90* |
Day 28 | 34.4 ± 2.0* | 109.1 ± 10.5* | 66.4 ± 9.9* | 0.47 ± 0.03* | 94.3 ± 6.1* | 11.88 ± 0.29* | 1.80 ± 0.04* | 12.75 ± 1.00* |
MI/HAMMPS (n = 7) | ||||||||
Day 3 | 47.9 ± 1.5* | 62.4 ± 5.8* | 32.2 ± 4.0* | 0.69 ± 0.01*† | 82.2 ± 5.4* | 9.46 ± 0.40*† | 1.38 ± 0.05* | 5.94 ± 0.72* |
Day 7 | 45.1 ± 1.8* | 69.9 ± 6.0* | 36.4 ± 4.1* | 0.60 ± 0.02* | 78.9 ± 4.5* | 9.74 ± 0.44* | 1.42 ± 0.05* | 6.68 ± 0.68* |
Day 14 | 41.1 ± 2.0* | 78.4 ± 9.8* | 43.5 ± 7.7* | 0.57 ± 0.03* | 86.6 ± 7.3* | 10.83 ± 0.38* | 1.52 ± 0.05* | 8.26 ± 0.78* |
Day 21 | 39.2 ± 2.1* | 91.0 ± 12.4* | 52.1 ± 10.8* | 0.53 ± 0.02* | 92.8 ± 8.7* | 11.55 ± 0.53* | 1.64 ± 0.07* | 9.56 ± 0.72* |
Day 28 | 37.1 ± 2.0* | 102.4 ± 13.5* | 59.0 ± 9.8* | 0.49 ± 0.02* | 96.8 ± 8.7* | 12.59 ± 0.55* | 1.71 ± 0.07* | 10.44 ± 0.58* |
MI/HAMMPS/rTIMP-3 (n = 7) | ||||||||
Day 3 | 54.6 ± 0.9*†‡ | 50.0 ± 1.8*† | 20.5 ± 1.6*†‡ | 0.73 ± 0.02*† | 77.2 ± 2.0* | 7.87 ± 0.20*‡ | 1.26 ± 0.02* | 4.19 ± 0.11†‡ |
Day 7 | 51.5 ± 1.6*†‡ | 55.4 ± 1.7*†‡ | 25.8 ± 2.5*† | 0.67 ± 0.02*† | 75.6 ± 2.4* | 8.56 ± 0.27*‡ | 1.30 ± 0.02*†‡ | 5.42 ± 0.49*† |
Day 14 | 49.4 ± 1.8*†‡ | 60.1 ± 2.5*† | 31.7 ± 2.2*† | 0.63 ± 0.03*† | 74.1 ± 2.6*† | 9.28 ± 0.19*‡ | 1.37 ± 0.02*†‡ | 6.43 ± 0.36*† |
Day 21 | 47.7 ± 1.5*†‡ | 66.8 ± 2.8*† | 34.2 ± 2.5* | 0.61 ± 0.03*†‡ | 82.4 ± 3.0* | 9.86 ± 0.20*†‡ | 1.46 ± 0.02*†‡ | 7.13 ± 0.43*†‡ |
Day 28 | 45.5 ± 1.3*†‡ | 72.2 ± 2.5*†‡ | 38.1 ± 1.8*† | 0.60 ± 0.02*†‡ | 85.7 ± 2.4* | 10.27 ± 0.24*†‡ | 1.57 ± 0.03*† | 7.21 ± 0.42*†‡ |
Values are means ± SE; n, number of samples. EF, LV ejection fraction; LVEDV, left ventricular (LV) end-diastolic volume; LVESV, LV end-systolic volume; LVPWThd, diastolic LV posterior wall thickness; LA area, left atrial area; E/A, early-to-late transmitral filling velocity rates; PCWP, pulmonary capillary wedge pressure; MI, myocardial infarction; HAMMPS, matrix metalloproteinase (MMP)-sensitive hyaluronic acid (HA) gel; rTIMP-3, recombinant tissue inhibitor of metalloproteinase-3.
P < 0.05 vs. baseline;
P < 0.05 vs. the respective MI group only;
P < 0.05 vs. the respective MI/HAMMPS group.