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The primary sign of augmented renal clearance is an increase in the creatinine clearance well above that which would be considered normal. Commonly, ARC is defined as a creatinine clearance of greater than 130 mL/min, but the effects of increased clearance on therapy are not directly correlated to a specific number.
An increase in serum creatinine can be due to increased ingestion of cooked meat (which contains creatinine converted from creatine by the heat from cooking) or excessive intake of protein and creatine supplements, taken to enhance athletic performance. Intense exercise can increase creatinine by increasing muscle breakdown.
Statins (prescription drugs to lower cholesterol) are considered a small risk. [9] Some people have inherited muscle conditions that increase the risk of rhabdomyolysis. [3] The diagnosis is supported by a urine test strip which is positive for "blood" but the urine contains no red blood cells when examined with a microscope. [3]
Azotemia (from azot 'nitrogen' and -emia 'blood condition'), also spelled azotaemia, is a medical condition characterized by abnormally high levels of nitrogen-containing compounds (such as urea, creatinine, various body waste compounds, and other nitrogen-rich compounds) in the blood.
[85] [86] [87] Creatinine levels increase until puberty and differ according to gender from then on, making their interpretation problematic for pediatric patients. [ 86 ] [ 88 ] In a large study from the United States National Health and Nutrition Examination Survey , the reference interval (as defined by the 1st and 99th percentile ) was ...
In interventional radiology, a patient's creatinine clearance levels are all checked prior to a procedure. [citation needed] Serum creatinine is another measure of kidney function, which may be more useful clinically when dealing with patients with early kidney disease. Normal creatinine level is between 80 - 120 μmol/L. [citation needed]
Loop diuretics usually have a ceiling effect whereby doses greater than a certain maximum amount will not increase the clinical effect of the drug. Also, there is a threshold minimum concentration of loop diuretics that needs to be achieved at the thick ascending limb to enable the onset of abrupt diuresis.
Another group of beta-lactams, the cephalosporins, can increase the nephrotoxicity of aminoglycoside as well as randomly elevating creatinine levels. The antibiotics chloramphenicol, clindamycin, and tetracycline have been known to inactivate aminoglycosides in general by pharmacological antagonism. [9]