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Table 1 LVPVR parameters during control, adrenaline and beta-blockade

From: Left ventricular strain and peak systolic velocity: responses to controlled changes in load and contractility, explored in a porcine model

   Control Adrenalin Beta blockade
Apnea measurement
HR (bpm) 122 ± 14 122 ± 14 # 100 ±
SV (mL) 55.2 ± 5.5 66.5 ± 12.6# 48.1 ± 8.3 #
CO (L/min) 6.7 ± 0.9 9.6 ± 1.9 # 4.8 ± 0.9 #
V es (mL) 40.9 ± 4.8 36.1 ± 8.0 68.3 ± 14.4 #
V ed (mL) 92.5 ± 7.0 97.7 ± 15.8 113.9 ± 18.6 #
P es (mm Hg) 121.3 ± 5.3 121.0 ± 9.6 105.0 ± 9.6 #
P ed (mm Hg) 14.6 ± 3.3 14.1 ± 3.9 18.7 ± 3.2
dPdt max (mm Hg/s) 2745 ± 252 5532 ± 752 ± 1557 ± 318 #
EF (%) 59.7 ± 3.6 68.1 ± 7.4 # 43.0 ± 5.6 #
SW (mm Hg·mL) 6227 ± 697 8215 ± 1471 # 4306 ± 926 #
Tau (ms) 34.3 ± 3.0 23.3 ± 1.8 # 46.4 ± 12.3
PHT (ms) 21.1 ± 1.5 14.6 ± 1.3 # 30.9 ± 7.0 #
dPdt min (mm Hg·mL) -2919 ± 175 -3587 ± 401 # -1986 ± 289 #
PWR max (mm Hg·mL/s) 44105 ± 5647 68020 ± 15038 # 32687 ± 5784 #
PWR max /EDV2   5.29 ± 0.85 7.83 ± 2.13 # 3.02 ± 1.02 #
dPdt /EDV (mm Hg/s/mL) 30.0 ± 3.0 62.3 ± 16.1 # 15.3 ± 5.7 #
VCBO measurement
Ees (mm Hg/mL) 1.04 ± 0.20 1.74 ± 0.54 1.06 ± 0.31
PRSW (mm Hg) 74.1 ± 10.2 104.0 ± 14.8 # 51.3 ± 12.9 #
  1. Data are presented as mean ± 95% confidence intervals, n = 13. # = p < 0.05 using paired T-test vs. Control. HR heart rate, SV stroke volume, CO, cardiac output; Ves, end-systolic volume; Ved, end-diastolic volume; Pes, left ventricular end-systolic pressure; Ped, left ventricular end-diastolic pressure; dPdt max , maximal rate of pressure increase; EF, ejection fraction; SW, stroke work; Tau, isovolumic relaxation time constant; PHT, pressure half time during diastole: dPdt min , maximal rate of pressure decrease; PWR max , maximal power; Ees, end-systolic elastance; PRSW, preload recruitable stroke work.