urea reduction ratio

(URR) the fractional reduction in blood urea nitrogen during a single hemodialysis session, expressed as a percentage, measured to assess adequacy of hemodialysis.

Medical dictionary. 2011.

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  • Urea Reduction Ratio — (URR) ist ein Parameter um die Dialyseeffektivität zu bestimmen und ein wesentlicher Bestandteil zur Beurteilung der Dialyseeffizienz. Ein weiterer Parameter zu dieser Beurteilung ist das Kt/V. Der Wert kann durch die Formel ermittelt werden.… …   Deutsch Wikipedia

  • Urea reduction ratio — For the Scottish river see: Urr Water The urea reduction ratio (URR), is a dimensionless number used to quantify hemodialysis treatment adequacy.DefinitionURR = frac{U {pre} U {post{U {pre imes 100% Where: * Upre is the pre dialysis urea level *… …   Wikipedia

  • Reduction — Reduction, reduced, or reduce may refer to:cienceChemistry*Reduction – chemical reaction in which atoms have their oxidation number (oxidation state) changed. **Reduced gas – a gas with a low oxidation number **Ore reduction: see… …   Wikipedia

  • Blood urea nitrogen — The blood urea nitrogen (BUN) test is a measure of the amount of nitrogen in the blood in the form of urea, and a measurement of renal function. Urea is a substance secreted by the liver, and removed from the blood by the kidneys.PhysiologyThe… …   Wikipedia

  • URR — Urea Reduction Ratio (Medical » Physiology) * Urrao, Colombia (Regional » Airport Codes) * Unconstrained Requirements Report (Governmental » Military) * Unconstrained Requirements Report (Governmental » NASA) * UHF Radio Receiver (Computing »… …   Abbreviations dictionary

  • Kt/V — In medicine, Kt/V is a number used to quantify hemodialysis and peritoneal dialysis treatment adequacy. * K dialyzer clearance of urea * t dialysis time * V patient s total body water In the context of hemodialysis, Kt/V is a bonafide… …   Wikipedia

  • Urine — (from Latin Urina, ae, f.) is a typically sterile (in the absence of a disease condition)[1] liquid by product of the body that is secreted by the kidneys through a process called urination and excreted through the urethra. Cellular metabolism… …   Wikipedia

  • Renal function — Diagram showing the basic physiologic mechanisms of the kidney Renal function, in nephrology, is an indication of the state of the kidney and its role in renal physiology. Glomerular filtration rate (GFR) describes the flow rate of filtered fluid …   Wikipedia

  • Vasopressin — Arginine vasopressin Space filling model of arginine vasopressin …   Wikipedia

  • Clearance (medicine) — In medicine, the clearance is a measurement of the renal excretion ability. Although clearance may also involve other organs than the kidney, it is almost synonymous with renal clearance or renal plasma clearance. Each substance has a specific… …   Wikipedia


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