1998, Number 4
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Med Crit 1998; 12 (4)
Acute renal failure in the critically ill patient
Cruz ME, Hernández-Rojas ME, Molinar RF, Hernández LD
Language: Spanish
References: 44
Page: 145-155
PDF size: 91.54 Kb.
ABSTRACT
Acute renal failure (ARF) ocurring in critically ill patients in the intensive care unit (ICU) is a common problem. Despite increasingly sophisticated renal replacement therapies (RRT), the mortality rate in ARF associated with multiorganic failure dysfunction, remains very high in our days. Acute tubular necrosis (ATN) in ICU patients is the most important injury associated with ARF. The manifestations of ARF include variyng degrees of oliguria, rising serum creatinine levels, reduction of the glomerular filtration rate (GFR), decrease of renal blood flow (RBF) and renal oxygen consumption, and tubular disorders. Since ARF is usually not immediately reversible, prevention is the most effective tool. The use of certain drugs (diuretics and b adrenergic agents, for example) to prevent, ameliorate or speed recovery, continues to be a controversial subject. Once ARF becomes established, therapy should be directed toward the prevention of complications. Because recovery from ARF may be delayed, the use of RRT is often necessary. ATN recovery is around 33%,
ad integrum, and mortality rate is over 50%. In this article the most important features of the ARF of ICU patient are reviewed with special emphasis on its diagnosis.
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