Table 2.
Summary of echocardiographic indices of Mylk3wild/wild and Mylk3wild/- mice at 4 months of age.
| WW (n = 7) | W/– (n = 6) | P value | |
|---|---|---|---|
| ESV (μL) | 42.9 ± 1.7 | 49.7 ± 2.6 | 0.044* |
| EDV (μL) | 55.1 ± 2.4 | 59.8 ± 1.7 | 0.15 |
| ESP (mmHg) | 114 ± 3 | 102 ± 4 | 0.031* |
| EDP (mmHg) | 7.5 ± 1.0 | 9.1 ± 2.3 | 0.566 |
| dP/dt max (mmHg/s) | 9377 ± 707 | 6532 ± 759 | 0.019* |
| dP/dt min (mmHg/s) | -6932 ± 243 | -6197 ± 600 | 0.296 |
| PRSW | 54.3 ± 6.1 | 30.3 ± 6.4 | 0.020* |
| Ees | 6.96 ± 1.64 | 1.81 ± 0.59 | 0.020* |
| EDPVR slope | 0.41 ± 0.29 | 4.49 ± 3.97 | 0.352 |
| Tau (ms) | 8.87 ± 0.25 | 10.27 ± 1.10 | 0.268 |
| Heart rate (bpm) | 435 ± 17 | 433 ± 16 | 0.948 |
| Body weight | 21.2 ± 1.8 | 22.4 ± 1.8 | 0.272 |
ESV, end-systolic volume; EDV, end-diastolic volume; ESP, end-systolic pressure; EDP, end-diastolic pressure; dP/dt max, peak rate of pressure rise; dP/dt min, peak rate of pressure decline; PRSW, preload recruited stroke work; Ees, end-systolic elastance; EDPVR slope, end-diastolic PV relation slope; Tau, relaxation time constant. P, P value. *P < 0.05.