Table 2 Left ventricular parameters during control, adrenaline and beta-blockade
Control | Adrenaline | Beta blockade | ||||
|---|---|---|---|---|---|---|
Apnea measurement | ||||||
HR | (bpm) | 125 ± 19 | 147 ± 29 | 101 ± 12 | ||
SV | (mL) | 60 ± 9 | 65 ± 26 | 50 ± 17 | # | |
CO | (L/min) | 7.4 ± 1.3 | 9.3 ± 3.8 | 5.0 ± 1.7 | # | |
Ves | (mL) | 40.9 ± 4.4 | 37.8 ± 15.3 | 55.8 ± 10.4 | # | |
Ved | (mL) | 96.5 ± 8.4 | 100.3 ± 31.9 | 101.6 ± 22.6 | ||
Pes | (mm Hg) | 119.0 ± 7.4 | 121.8 ± 5.1 | 106.7 ± 16.0 | ||
Ped | (mm Hg) | 15.6 ± 5.2 | 15.8 ± 6.7 | 19.6 ± 5.7 | ||
dPdt max | (mm Hg/s) | 2830 ± 430 | 5483 ± 14 | # | 1726 ± 594 | # |
EF | (%) | 62.0 ± 6.1 | 64.9 ± 14.0 | 47.7 ± 8.0 | # | |
SW | (mm Hg mL) | 6744 ± 1054 | 8254 ± 3061 | 4608 ± 1858 | # | |
dPdt min | (mm Hg/s) | −2889 ± 193 | −3483 ± 680 | −2051 ± 553 | ||
Tau | (ms) | 33.9 ± 4.8 | 24.5 ± 2.2 | # | 48.6 ± 25.9 | |
PHT | (ms) | 20.8 ± 2.4 | 15.6 ± 2.1 | # | 32.0 ± 14.6 | # |
PWRmax | (mm Hg mL/s) | 50210 ± 9173 | 72286 ± 30668 | 35756 ± 10130 | # | |
PWRmax/EDV2 | 5.46 ± 1.15 | 8.30 ± 4.24 | 3.62 ± 0.94 | # | ||
dPdt/EDV | (mm Hg/s/mL) | 29.7 ± 5.8 | 63.1 ± 29.5 | # | 18.0 ± 9.8 | # |
VCBO measurement | ||||||
Ees | (mm Hg/mL) | 0.95 ± 0.32 | 1.65 ± 1.00 | # | 1.03 ± 0.61 | |
PRSW | (mm Hg) | 83.4 ± 12.5 | 100.1 ± 28.5 | 56.6 ± 18.3 | # | |