Table 1.
Control | PAH | Scaffold+MSCs | Scaffold Only | IV MSCs | IM MSCs | |
---|---|---|---|---|---|---|
RV/BW | 0.58 ± 0.03 | 1.58 ± 0.23* | 1.45 ± 0.18* | 1.28 ± 0.35* | 1.05 ± 0.28*† | 0.92 ± 0.18*† |
tPVR, mmHg·min−1·ml | 0.3 ± 0.1 | 0.8 ± 0.3* | 0.7 ± 0.2* | 0.6 ± 0.2 | 0.9 ± 0.2 | 1.0 ± 0.3* |
RV EDV, µl | 352 ± 50 | 391 ± 118 | 474 ± 68 | 380 ± 84 | 407 ± 36 | 393 ± 36 |
RV ESV, µl | 114 ± 80 | 199 ± 117 | 162 ± 83 | 128 ± 58 | 182 ± 69 | 191 ± 43 |
EF, % | 73 ± 15 | 49 ± 16* | 63 ± 12 | 66 ± 14 | 55 ± 15 | 51 ± 7* |
HR, bpm | 320 ± 40 | 335 ± 25 | 332 ± 39 | 337 ± 49 | 345 ± 31 | 336 ± 23 |
PAMP, mWatt/µl | 0.67 ± 0.65 | 0.60 ± 0.35 | 1.46 ± 1.21*† | 2.12 ± 3.01 | 0.38 ± 0.18 | 0.78 ± 0.57 |
dP/dtmin, mmHg/s | −1,325 ± 300 | −3,580 ± 1,186* | −3,033 ± 575* | −2,440 ± 897* | −3,147 ± 933* | −2,853 ± 519* |
dP/dtmax, mmHg/s | 2,544 ± 681 | 4,502 ± 580* | 4,854 ± 992* | 4,213 ± 2,400 | 4,642 ± 529* | 4,602 ± 1,140* |
PRSW | 26 ± 10 | 68 ± 20* | 63 ± 21* | 67 ± 34 | 56 ± 17* | 58 ± 25* |
Ees, mmHg/μl | 0.26 ± 0.09 | 0.44 ± 0.18* | 0.46 ± 0.13* | 0.47 ± 0.10 | 0.51 ± 0.23 | 0.32 ± 0.09 |
Ea, mmHg/μl | 0.13 ± 0.03 | 0.24 ± 0.06* | 0.24 ± 0.07* | 0.23 ± 0.10 | 0.28 ± 0.11 | 0.34 ± 0.11* |
VVC, Ees/Ea | 2.4 ± 1.3 | 1.7 ± 0.6 | 1.8 ± 0.6 | 2.7 ± 1.6 | 2.4 ± 1.9 | 1.0 ± 0.4 |
VVC, SV/ESV | 3.7 ± 2.5 | 1.3 ± 1.0* | 2.1 ± 1.3 | 2.5 ± 1.6 | 1.5 ± 1.1* | 1.1 ± 0.3* |
Values are means ± SD; n = 8 for control, PAH and Scaffold+MSCs groups, and n = 5 for all other treatment groups. BW, body weight; EDV, end-diastolic volume; EF, ejection fraction; ESV, end-systolic volume; HR, heart rate; PAMP, preload adjusted maximal power; PRSW, preload recruitable stroke work; RV, right ventricle; RV/BW, the ratio of RV tissue weight over body weight; SV, systolic volume; tPVR, total pulmonary vascular resistance; VVC, ventricular-vascular coupling.
P < 0.05 vs. control.
P < 0.05 vs. PAH.