Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Simple Kt/V formulas based on urea mass balance theory

L J Garred1, D L Barichello, B DiGiuseppe

  • 1Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada.

ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|October 1, 1994
PubMed
Summary

New equations for dialysis adequacy (Kt/V) were developed and validated. These formulas offer improved accuracy for measuring the effectiveness of dialysis treatments, benefiting patient care.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Intradialytic glucose infusion increases polysulphone membrane permeability and post-dilutional haemodiafiltration performances.

Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association·2000
Same author

Clinical practice guidelines for the management of anemia coexistent with chronic renal failure. Canadian Society of Nephrology.

Journal of the American Society of Nephrology : JASN·1999
Same author

Catabolism in critical illness: estimation from urea nitrogen appearance and creatinine production during continuous renal replacement therapy.

American journal of kidney diseases : the official journal of the National Kidney Foundation·1998
Same author

On-line dialysis quantification in acutely ill patients: preliminary clinical experience with a multipurpose urea sensor monitoring device.

ASAIO journal (American Society for Artificial Internal Organs : 1992)·1998
Same author

Direct determination of blood recirculation rate in hemodialysis by a conductivity method.

ASAIO journal (American Society for Artificial Internal Organs : 1992)·1998
Same author

Evaluation of high-flux hemodiafiltration efficiency using an on-line urea monitor.

American journal of kidney diseases : the official journal of the National Kidney Foundation·1998

Area of Science:

  • Nephrology
  • Biomedical Engineering
  • Mathematical Modeling

Background:

  • Dialysis adequacy is crucial for patient outcomes.
  • The Kt/V ratio is the current standard for measuring dialysis adequacy.
  • Existing Kt/V formulas may have limitations in precision.

Purpose of the Study:

  • To develop and validate more accurate simple equations for calculating Kt/V.
  • To improve the precision of dialysis adequacy assessment.
  • To provide clinicians with reliable tools for optimizing dialysis treatments.

Main Methods:

  • Theoretical derivation of Kt/V equations from the urea mass balance equation.
  • Development of two distinct Kt/V formulas based on different approximations.
  • Validation of proposed equations using clinical data from 17 patients and extensive computer simulations.

Related Experiment Videos

Main Results:

  • The most precise proposed Kt/V equation demonstrated a maximum error of 0.031-0.035 Kt/V units.
  • A simpler proposed equation showed slightly lower accuracy with maximum errors of 0.079-0.081 Kt/V units.
  • The new equations were found to be considerably more accurate than previously published formulas.

Conclusions:

  • The developed Kt/V equations provide a more accurate assessment of dialysis adequacy.
  • These precise formulas can aid in optimizing individual dialysis prescriptions.
  • The study offers enhanced tools for monitoring and improving hemodialysis effectiveness.