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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.
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Critical Care

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