Table 2.
Wild Type (n=5) |
RYR-S2808A (n=6) |
Percentage Change |
||||
---|---|---|---|---|---|---|
Baseline | ISO | Baseline | ISO | WT | RYR-2808A | |
LV Dev P (mm Hg) | 79±10 | 147±20* | 74±4 | 151±16* | 87±12 | 102±15 |
LVEDP (mm Hg) | 9±0.7 | 10.5±0.9 | 10±0.5 | 10±0.5 | ||
+dP/dt (mm Hg/sec) | 3917±584 | 7799±647* | 3444±87 | 8259±664* | 104±21 | 138±14 |
−dP/dt (mm Hg/sec) | −2569±385 | −5052±691* | −2225±87 | −5180±499* | 102±19 | 132±20 |
Perfusion pressure (mm Hg) | 80±0.4 | 80±0.4 | 80±3 | 80±4 | ||
Heart rate (bpm) | 465±14 | 460±13 | 466±12 | 469±12 |
Data are presented as means±SEM. Concentration of ISO was 10 nmol/L. LV Dev P indicates LV developed pressure; LVEDP, LV end-diastolic pressure.
P<0.01 vs group baseline.