• Miguel Cobas, Gian Paparcuri, Maria De La Pena, Gaston Cudemus, Erik Barquist, and Albert Varon.
• Department of Anesthesiology, Perioperative Medicine and Pain Management, Leonard M. Miller School of Medicine, University of Miami, FL, USA.
• Cardiovasc Ther. 2011 Aug 1;29(4):280-4.

BackgroundAcute kidney injury is a frequent problem among many critically ill patients, commonly in the context of multiple organ failure and decreased renal perfusion. Its presence conveys a poor prognosis. Currently, effective therapeutic interventions are limited and dopaminergic agonists have been suggested as an option to prevent further damage.MethodsWe performed a randomized, double-blinded, prospective crossover study in 17 patients admitted to our trauma intensive care unit (ICU) with evidence of impaired renal function. Patients were randomized to a 24-h intravenous infusion of low-dose fenoldopam or placebo. When the infusion of fenoldopam or placebo was completed, patients underwent a 24-h "washout" period in which no study intervention was performed. This sequence was repeated in each patient with the opposite agent, so each patient served as his own control. Four-hour creatinine collections were taken during the last 4 h of each infusion and washout periods to determine creatinine clearance changes during and after the administration of the study drug.ResultsThe creatinine clearance was higher with fenoldopam infusion than with placebo infusion (P = 0.045). The FENa was not significantly different.ConclusionsOur study showed that low-dose Fenoldopam increases creatinine clearance in the critically ill with renal insufficiency. Fenoldopam may be a useful drug in ICU patients with early renal dysfunction.© 2010 Blackwell Publishing Ltd.

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