Table 2.
WT Sham | WT TAC | BMP9−/− Sham | BMP9−/− TAC | Eng NAb BMP9−/− TAC | |
---|---|---|---|---|---|
Mass | |||||
Total body weight (g) | 24.5 ± 0.6 | 22.2 ± 1.4* | 25.2 ± 1.5 | 21.5 ± 1.2† | 22.8 ± 3† |
LV mass (mg) | 83 ± 7 | 149 ± 9* | 88 ± 8 | 143 ± 12† | 157 ± 15† |
Lung mass (mg) | 143 ± 6 | 349 ± 111* | 137 ± 8 | 398 ± 58† | 379 ± 129† |
Tibia length (mm) | 17.4 ± 0.1 | 17.5 ± 0.1 | 17.4 ± 0.2 | 17.5 ± 0.2 | 17.4 ± 0.2 |
LV/TL (mg/mm) | 4.7 ± 0.4 | 8.5 ± 0.5* | 5.2 ± 0.1 | 8.2 ± 0.8† | 8.9 ± 0.8† |
Lung/TL (mg/mm) | 8.2 ± 0.4 | 20 ± 6.4* | 7.9 ± 0.4 | 22.8 ± 3.2† | 21.7 ± 7.5† |
Hemodynamic data | |||||
Peak systolic pressure (mmHg) | 95 ± 8 | 125 ± 12* | 89 ± 2 | 96 ± 18‡ | 96 ± 10‡ |
End diastolic pressure (mmHg) | 4 ± 2 | 22 ± 2* | 6 ± 3 | 27 ± 4†‡ | 28 ± 3†‡ |
dP/dT max (mmHg/sec) | 8449 ± 370 | 5463 ± 990* | 8291 ± 645 | 2973 ± 517†‡ | 3232 ± 178†‡ |
dP/dT min (mmHg/sec) | −8382 ± 577 | −5253 ± 347* | −7623 ± 637 | −3156 ± 1020†‡ | −3523 ± 628†‡ |
Ejection fraction (%) | 62 ± 4 | 41 ± 5* | 58 ± 7 | 28 ± 6†‡ | 29 ± 5†‡ |
Heart rate (bpm) | 508 ± 62 | 546 ± 57 | 522 ± 48 | 562 ± 48 | 546 ± 68 |
Means±SD. p<0.05:
vs. WT Sham;
vs. BMP9−/− Sham;
vs. WT TAC