Assessing residual renal function and efficiency of hemodialysis

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1995-12-01 · Technical Note Plasma iohexol clearance as an alternative to creatinine clearance for CAPD adequacy studies Michael A. Marx, 1 2 3 * Cathryn L. Shuler, 1 2 3 James E. Tattersall, 1 2 3 Thomas A. Golper, 1 2 3 1 University of Arkansas for Medical Sciences, Little Rock, Arkansas, and Oregon Health Sciences University, Portland, Oregon, USA; and Lister Hospital, Stevenage, England, United Kingdom To measure the accuracy of iohexol clearance using a clinically simple 2-sample single injection technique, a comparison was made in 30 patients with classical continuous infusion techniques for Iohexol clearance has been shown to be a marker of the glomerular filtration rate in patients with normal and impaired renal function. Investigators from Minneapolis used the iohexol clearance to estimate RRF in hemodialysis patients and compared iohexol clearance to urea clearance. Plasma Clearance of Iohexol in Hemodialysis Patients Requires Prolonged Blood Sampling Publication date: May 2016 Source:American Journal of Kidney Diseases, Volume 67, Issue 5 Author(s): Gunnar Sterner, Karl-Göran Prütz ic CM. Values of clearance and molecular weight correlated well. Conclusion: The molecular weight of a contrast medium is the main factor that in- fluences the efficiency of CM removal by hemodialysis. In a previous study we compared the elimination of iohexol with that of ioxaglate administered to pa- Request PDF | On May 1, 2016, Tariq Shafi and others published In Reply to ‘Plasma Clearance of Iohexol in Hemodialysis Patients Requires Prolonged Blood Sampling’ | Find, read and cite all Determination of residual renal function with iohexol clearance in hemodialysis patients . By .

Conclusion: The molecular weight of a contrast medium is the main factor that in- fluences the efficiency of CM removal by hemodialysis. In a previous study we compared the elimination of iohexol with that of ioxaglate administered to pa- Request PDF | On May 1, 2016, Tariq Shafi and others published In Reply to ‘Plasma Clearance of Iohexol in Hemodialysis Patients Requires Prolonged Blood Sampling’ | Find, read and cite all Determination of residual renal function with iohexol clearance in hemodialysis patients . By . Cite .

The plasma iohexol level after dialysis was related to the dose administered, iohexol clearance, and the patients' body weight.

Cystatin C, a measure of renal function, as - Helda - Helsinki.fi

2018-08-28 · Nilsson-Ehle P. Iohexol clearance for the determination of glomerular filtration rate: 15 years' experience in clinical practice. eJIFCC 2001;13. Frennby B, Sterner G, Almen T, et al. The use of iohexol clearance to determine GFR in patients with severe chronic renal failure--a comparison between different clearance techniques.

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that delaying collection of a late plasma sample may allow better estimation of plasma clearance of iohexol (CL iohexol) in patients with low glomerular filtration rates (GFRs). Iohexol is a non-ionic, low-osmolar, X-ray contrast medium with a molecular weight of 821 Daltons and it is mainly eliminated from plasma in its intact form by glomerular filtration (extrarenal clearance ≈2 ml/min) and it is often stated to be effectively removed by HD [7, 8]. The total clearance of iohexol was 70.4 +/- 24.6 ml/min and was very close to dialyzer clearance, as estimated from blood flow and extraction ratio. The plasma iohexol level after dialysis was related to the dose administered, iohexol clearance, and the patients' body weight.

control after av JH Zdolsek · 2005 · Citerat av 34 — plasma iohexol and to kinetic analysis of the dilution of serum sodium after IV by Vss, and GFR is represented by the clearance. The rapid elimination of Iohexol- or 51Cr-EDTA-clearance (Invasive procedures) To calculate risk for end-stage renal disease (hemodialysis), myocardial infarction, hospitalization. Thrice-weekly dialysis is the accepted standard of care for hemodialysis (HD) 6) will have residual GFR measured by iohexol clearance and by the average of Immunological Profiling of Haemodialysis Patients and Young Healthy Individuals Iohexol plasma clearance for measuring glomerular filtration rate in clinical och endogent kreatininclearance (renalt clearance av kreatinin). Vi fann [Hemodialysis cured severe lactic plasma iohexol clearance in kidney trans-. Dialysis and Transplantation, ISSN 0931-0509, E-ISSN 1460-2385, Vol. GFR determination in adults with a single-sample iohexol plasma clearance I Sverige är iohexol-clearance standard, dvs.
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Background. Classically, urea (molecular wt 5 60) is used to determine the urea reduction ratio (URR) or clearance, based on volume of distribution (Kt/V).

5, pp. 811-812.
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Measuring the Size of the Extracellular Fluid Space Using

The use of iohexol clearance to determine GFR in patients with severe chronic renal failure--a comparison between different clearance techniques. The blood clearance of iosimenol during clinical hemodialysis was predicted as, on average, approximately 85 mL/min with the high-flux membranes and 47 mL/min with the low-flux membrane. 1998-09-01 · Determination of residual renal function with iohexol clearance in hemodialysis patients Kidney Int , 49 ( 1996 ) , pp.

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Yardman-Frank JM, Mercier RC, Wong CS, Vilay AM. BACKGROUND/AIMS: Urea clearance during continuous renal replacement therapy (CRRT) is not representative of middle molecular weight solute clearances. We aimed to characterize iohexol, molecular weight 821 Da, clearance during continuous hemofiltration (CH) and continuous hemodialysis (CHD). The `apparent' mass of iohexol, defined as plasma concentration times estimated distribution volume, fell to 29% and 21% of pre-dialysis levels after 3 h and 6 h HD, respectively (P <0.01), but increased after HD, and more so after the short dialysis, reaching 46% of the predialysis mass 24 h after 3 h HD vs 36% after 6 h HD (P <0.05). We read with interest the recent article by Shafi et al1 reporting discrepancies between plasma and urinary clearance of iohexol in dialysis patients.