Vincent K.K. Tam
Morbidity and mortality in hemodialysis patients are closely related to dialysis adequacy. Unfortunately, in real life, the dialysis dose that is delivered during each hemodialysis session, for various reasons, may not even be close to that prescribed. It would be ideal if one could assess and verify the dialysis dose delivered in every dialysis treatment. Formal urea kinetic modeling (Kt/V) has been used widely to quantify the dialysis dosage. Recently, ionic dialysance is becoming more popular as a method to assess the delivered Kt/V of dialysis treatment. Its mathematical basis is reviewed, and its pitfalls, limitations and clinical relevance are briefly described.
Key words: ionic dialysance, urea clearance, online clearance, dialysis adequacy
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