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Table 3 Renal perfusion, filtration and oxygenation in postoperative acute kidney injury (AKI) [2]

From: Renal oxygenation in clinical acute kidney injury

  Control group
(n = 37)
AKI group
(n = 12)
p- value
Mean arterial pressure (mm Hg) 73.9 ± 1.1 73.5 ± 0.7 Ns
Cardiac index (l/min/m2) 2.63 ± 0.08 2.77 ± 0.16 Ns
RBF (ml/min) 758 ± 40 477 ± 54 < 0.001
RVR (mm Hg/ml/min) 0.097 ± 0.005 0.146 ± 0.015 < 0.01
GFR (ml/min) 74.7 ± 4.7 32.3 ± 3.6 < 0.001
Sodium reabsorption (mmol/min) 9.7 ± 0.7 4.0 ± 0.4 < 0.001
Renal oxygen consumption (ml/min) 10.4 ± 0.6 11.0 ± 1.1 Ns
Renal oxygen extraction 0.097 ± 0.004 0.163 ± 0.009 < 0.001
  1. RBF: renal blood flow assessed by the thermodilution technique; RVR: renal vascular resistance; GFR: glomerular filtration rate. Values are means ± SEM.