منابع مشابه
Urea Concentration and Haemodialysis Dose
Background. Dialysis dose is commonly defined as a clearance scaled to some measure of body size, but the toxicity of uraemic solutes is probably associated more to their concentrations than to their clearance. Methods. 619 dialysis sessions of 35 patients were modified by computer simulations targeting a constant urea clearance or a constant urea concentration. Results. Urea generation rate G ...
متن کاملUrea and the clinical value of measuring blood urea concentration
Urea is the principal nitrogenous waste product of metabolism and is generated from protein breakdown. It is eliminated from the body almost exclusively by the kidneys in urine, and measurement of its concentration, first in urine and later in blood, has had clinical application in the assessment of kidney (renal) function for well over 150 years. This is the first of two articles that together...
متن کاملUrea and creatinine concentration, the urea: creatinine ratio
This is the second of two articles that together aim to explore current understanding of the clinical value of measuring serum/plasma urea concentration. The main focus of the first article [1] was physiological topics, such as urea production and renal processing of urea. The causes of increased and reduced plasma/serum urea concentration were also discussed. The main focus of this second arti...
متن کاملRapid urea broth test for yeasts.
A rapid, miniaturized, urea broth test useful for detecting urease activity of yeasts was compared to Christensen urea agar. All urease-producing yeasts tested were positive on both media; however, 60% were reactive in the urea R broth within 30 min, and the remainder were reactive within 4 h. This urea multiwell test may be useful as a rapid screening method for detecting urease-producing yeas...
متن کاملThe urea clearance test in children.
The value of the urea clearance test in the estimation of renal function is now well established. It was thought advisable before using it as a routine at this hospital to check the normal response in children with that of the adult and to compare the results of the test with the one previously in use (McLean's urea concentration test). The increase in the minute volume of the urine as a result...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1922
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(00)95613-7