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Table 1 The effect of venoarterial extracorporeal membrane oxygenation blood flow on selected hemodynamic parameters in a porcine model of cardiogenic shock

From: Increasing venoarterial extracorporeal membrane oxygenation flow negatively affects left ventricular performance in a porcine model of cardiogenic shock

EBF 1 2 3 4 5 P
LVCO 4.31 ± 0.40 3.90 ± 0.47 3.49 ± 0.51* 3.21 ± 0.40* 2.99 ± 0.38* <0.001
PCO 2.81 ± 0.34 2.49 ± 0.25 2.21 ± 0.21 1.84 ± 0.31* 1.86 ± 0.53* <0.001
RecV 1.51 ± 0.24 1.40 ± 0.41 1.28 ± 0.42 1.38 ± 0.28 1.13 ± 0.37 0.83
RecF (%) 35.0 ± 4.8 36.0 ± 7.6 36.6 ± 7.9 42.8 ± 4.9 37.9 ± 10.7 0.57
  1. Values of all parameters, with the exception of RecF, are expressed in L/min
  2. EBF extracorporeal blood flow; LV CO cardiac output, calculated from stroke volume (SV) and heart rate (HR) using the formula: LVCO = SV.HR; P CO cardiac output, measured using a pulmonary artery catheter; RecV recirculation volume, calculated using the formula: RecV = LVCO − PCO; RecF recirculation fraction, calculated using the formula: RecF = (RecV/LVCO) × 100
  3. * P < 0.05 compared with value at EBF 1 L/min