urea reduction ratio

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urea reduction ratio (URR)

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

urea reduction ratio

Nephrology The percent reduction in serum urea due to dialysis, an indicator of dialysis efficacy. Cf Kt/V.
References in periodicals archive ?
2 and URR of 65% could be estimated with a confidence interval of 95%, a minimum sample size of 34 participants was required, with an additional 10% to account for attrition.
In contrast with studies on the effectiveness of the URRs in the 1990s (see Ocampo and Tovar, 1997, 2003 and Villar and Rincon, 2003), (15) the recent literature is more skeptical in this regard.
Most URR in a region are concentrated in a small number of large fields and are typically discovered in the early stages of exploration.
009 Pre-dialysis URR Systolic Diastolic creatinine BP BP SF-36 score QOLI score Age Time living in UAE Last travel outside UAE Time on dialysis Haemoglobin Serum albumin Pre-dialysis BUN Pre-dialysis creatinine 1 Urea reduction ratio -0.
Among children <5 years of age, the peak AR attained 83 and 47 cases per 100,000 persons per week in CRR and URR, respectively (Figure 1, panel B).
Con el estudio se valido el ICCC como modelo conceptual y marco teorico que deviene en una herramienta de trabajo util para poder presentar, de forma organizada, el tema que en este articulo nos ocupa: el abordaje de la malnutricion infantil en URR, Gambia, segun se desprende del analisis de los tres niveles de actuacion del ICCC.
Correlation between compliance with hemodialysis treatment, Kt/V and URR
3]) and carboplatin have been shown to target two most important transcription factors, AP-1 and NF-[kappa]B respectively that play a critical role in expression of HPV oncoprotiens E6 and E7 though activation of HPV URR (29,30) for which their anti-viral role is being reinvestigated.
One reason URR is growing despite the world's continuing consumption of oil is that improved technology has allowed a far greater fraction of reserves to be extracted from oil fields.
Total patients (n=39) Mean [+ or -] SD Median Age (years) 46 [+ or -] 18 42 Duration of hemodialysis (months) 31 [+ or -] 35 18 Dialysis 280 [+ or -] 381 156 dose (sessions) URR % 58.