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Table 2 Hemodynamic variables during preload changes

From: Performance comparison of ventricular and arterial dP/dtmax for assessing left ventricular systolic function during different experimental loading and contractile conditions

  Bleeding Fluid administration
Variables Before After Before After
CO, Lmin−1 7.87 ± 1.44 7.64 ± 1.32 7.89 ± 1.70 9.11 ± 2.42*
SV, ml 107 ± 12 108 ± 14 109 ± 15 118 ± 22*
HR, beatsmin− 1 73 ± 10 71 ± 10 72 ± 10 76 ± 8*
MAP, mmHg 79 ± 11 56 ± 7 63 ± 9 78 ± 9*
EDV, ml 234 ± 50 211 ± 57 215 ± 52 259 ± 47
ESV ml 124 ± 48 100 ± 49 104 ± 48 141 ± 45
LV Ped, mmHg 12 ± 3 5 ± 4 7 ± 3 16 ± 4
LV Pes, mmHg 83 ± 13 62 ± 8 71 ± 8 82 ± 10*
Ea, mmHgml−1 0.67 ± 0.14 0.54 ± 0.09 0.59 ± 0.12 0.58 ± 0.15
Ees, mmHgml− 1 0.36 ± 0.13 0.39 ± 0.16 0.39 ± 0.15 0.31 ± 0.11*
LV ejection fraction, % 49 ± 11 55 ± 13 54 ± 13 47 ± 10*
SVV, % 12.4 ± 3.3 25.7 ± 8.6 19.8 ± 5.9 8.3 ± 3.9*
LV dP/dtmax, mmHgs− 1 993 ± 184 845 ± 218 927 ± 195 1007 ± 49
Femoral dP/dmax, mmHgs− 1 297 ± 53 238 ± 63 267 ± 63 279 ± 48
Radial dP/dtmax, mmHgs− 1 422 ± 178 313 ± 164 376 ± 135 405 ± 111
  1. Data are presented as mean ± SD
  2. LV left ventricle, CO cardiac output, SV stroke volume, HR heart rate, MAP mean arterial pressure, EDV left ventricular end-diastolic volume, ESV left ventricular end-systolic volume, LV Ped left ventricular end-diastolic pressure, LV Pes left ventricular end-systolic pressure, Ees end-systolic elastance, Ea effective arterial elastance, SVV stroke volume variation, dP/dtmax peak rate of pressure
  3. *P < 0.05, P ≤ 0.001, P ≤ 0.0001 vs “before” stage