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Figure 3 | Critical Care

Figure 3

From: Renal oxygenation in clinical acute kidney injury

Figure 3

Effects of 2 and 4 μg/kg/min of dopamine (DA2, DA4) on renal blood flow (RBF), glomerular filtration rate (GFR), renal oxygen consumption (RVO 2 ) and renal oxygen extraction (RO 2 Ex) in postoperative patients. RBF was measured by two independent techniques, retrograde renal vein thermodilution (RBF-TD) and infusion clearance for paraaminohippuric acid (PAH), with correction for renal extraction of PAH (RBF-IC). Note that low-dose dopamine improved renal oxygenation by a profound renal vasodilation with no changes in GFR or RVO2. From [23] with permission.

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