Kidney international
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Infections and sepsis are important determinants of mortality in patients with renal dysfunction. We studied the influence of preoperative renal function or postoperative acute renal failure (ARF) on the frequency of infections after open-heart surgery. ⋯ Both preoperative renal dysfunction and postoperative ARF influence the frequency of serious infections after open-heart surgery. The infection rate was higher in patients with postoperative ARF regardless of the baseline renal function. However, preoperative renal dysfunction portended higher risk of infection, independent of the influence of postoperative ARF.