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  • Title: Acute renal failure.
    Author: Agrawal M, Swartz R.
    Journal: Am Fam Physician; 2000 Apr 01; 61(7):2077-88. PubMed ID: 10779250.
    Abstract:
    Acute renal failure occurs in 5 percent of hospitalized patients. Etiologically, this common condition can be categorized as prerenal, intrinsic or postrenal. Most patients have prerenal acute renal failure or acute tubular necrosis (a type of intrinsic acute renal failure that is usually caused by ischemia or toxins). Using a systematic approach, physicians can determine the cause of acute renal failure in most patients. This approach includes a thorough history and physical examination, blood tests, urine studies and a renal ultrasound examination. In certain situations, such as when a patient has glomerular disease, microvascular disease or obstructive disease, rapid diagnosis and treatment are necessary to prevent permanent renal damage. By maintaining euvolemia, recognizing patients who are at increased risk and minimizing exposure to nephrotoxins, physicians can decrease the incidence of acute renal failure. Once acute renal failure develops, supportive therapy is critical to maintain fluid and electrolyte balances, minimize nitrogenous waste production and sustain nutrition. Death is most often caused by infection or cardiorespiratory complications.
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