haemodialysis_quality_standards - Rotary International District 3310
haemodialysis_quality_standards - Rotary International District 3310
haemodialysis_quality_standards - Rotary International District 3310
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Appendix 11<br />
Method of measurement of delivered dose of <strong>haemodialysis</strong><br />
The delivered dose of <strong>haemodialysis</strong> in adult and paediatric patients should be measured using<br />
formal urea kinetic modelling, employing the single-pool, variable volume model. Other methods<br />
include URR (urea reduction ratio), natural log Kt/V and the Daugirdas second-generation<br />
formula<br />
Formal urea kinetic modelling provides a quantitative method for developing a treatment for<br />
<br />
to compute Kt/V using formal UKM.<br />
Various websites offer free formula for calculation of Kt/V:<br />
<br />
<br />
<br />
www.hdcn.com/calc.html<br />
www.kt-v.net/<br />
www.ureakinetic.org<br />
Kt/V natural logarithm formula<br />
Kt/V = -Ln(R - 0.008 × t)+(4 - 3.5 ×R) ×UF/W<br />
Ln<br />
R<br />
T<br />
<br />
W<br />
Natural logarithm<br />
<br />
<br />
<br />
<br />
Urea Reduction Ratio (URR)<br />
Formula for calculation of URR:<br />
URR = Predialysis Urea - Postdialysis Urea x 100%<br />
Predialysis Urea<br />
Haemodialysis Quality and Standards 47
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