Table 2.
Hemodynamic response under adenosine, perfusion, and left-ventricular function
| With beta blocker | Without beta blocker | P | |
|---|---|---|---|
| Heart rate (BPM) | 69.7 ± 12.1 | 80.3 ± 10.9 | <.001 |
| Systolic blood pressure (mm Hg) | 117.3 ± 19.9 | 118.2 ± 19.3 | .77 |
| Diastolic blood pressure (mm Hg) | 55.8 ± 9.9 | 56.1 ± 8.8 | .79 |
| Rate-pressure product (mm Hg·minute−1) | 8,159.5 ± 1,943.0 | 9,487.0 ± 2,025.4 | .004 |
| EDV (mL) | 164.5 ± 36.5 | 162.6 ± 43.9 | .59 |
| ESV (mL) | 61.8 ± 12.6 | 62.9 ± 16.0 | .64 |
| EF (%) | 39.4 ± 10.7 | 40.6 ± 0.29 | .29 |
| Global myocardial perfusion (mL·minute−1/100 g) | 180.2 ± 59.9 | 193.6 ± 60.8 | .002 |
| Minimal coronary resistance (mmHg·(mL·minute−1/100 g)−1) | 0.49 ± 0.19 | 0.45 ± 0.16 | .038 |
| Global perfusion related to RPP (mL·minute−1/100 g) | 229.6 ± 96.7 | 206.0 ± 73.1 | .032 |