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

[Urea distribution volume and ionic dialysance].

P Pozzoni1, M Pozzi, S Di Filippo

  • 1Divisione di Nefrologia e Dialisi, Ospedale A. Manzoni, Lecco. p.pozzoni@ospedale.lecco.it

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|March 8, 2005
PubMed
Summary
This summary is machine-generated.

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

Psychological and Structural Barriers to Immigrant Community Participation: The Experience of Peruvians in Santiago de Chile.

American journal of community psychology·2020
Same author

The predictive value of ABCB1, ABCG2, CYP3A4/5 and CYP2D6 polymorphisms for risperidone and aripiprazole plasma concentrations and the occurrence of adverse drug reactions.

The pharmacogenomics journal·2017
Same author

Bedside multimodal imaging of hemidiaphragm palsy after spinal cord injury.

Intensive care medicine·2016
Same author

Targeting immune response with therapeutic vaccines in premalignant lesions and cervical cancer: hope or reality from clinical studies.

Expert review of vaccines·2016
Same author

Temporary right ventricular support after high-risk tricuspid valve surgery.

International journal of cardiology·2016
Same author

Homozygous PKP2 deletion associated with neonatal left ventricle noncompaction.

Clinical genetics·2016
Same journal

[Rufus of Ephesus, On gout].

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
Same journal

A Case Report and Literature Review: Chlorhexidine-induced anaphylaxis in a hemodialysis patient.

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
Same journal

New Frontiers in the Treatment of Chronic Kidney Disease-associated Pruritus: A Case of Hemoperfusion with HA130.

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
Same journal

Fibronectin Glomerulopathy: A Case Report of Membranoproliferative Glomerulonephritis.

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
Same journal

Sodium Disorders in Multiple Myeloma: Beyond Pseudohyponatremia to Clinical Pitfalls and Mechanistic Insights.

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
Same journal

Acute Kidney Injury and Early Diagnostic Biomarkers: A Narrative Literature Review.

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2026
See all related articles

Ionic dialysance (ID) with the single-pool, variable volume, urea kinetic model (SPVV-UKM) accurately determines urea distribution volume (V) in hemodialysis patients. This method avoids overestimation issues seen with traditional SPVV-UKM or anthropometric methods.

Area of Science:

  • Nephrology
  • Biomedical Engineering
  • Clinical Chemistry

Context:

  • Direct dialysis quantification (DDQ) is the gold standard for urea distribution volume (V) but is impractical for routine hemodialysis (HD).
  • The "formal" single-pool, variable volume, urea kinetic model (SPVV-UKM) requires immediate post-dialysis samples but often overestimates dialyzer urea clearance (Kd).
  • Ionic dialysance (ID) accurately estimates effective urea clearance (Keff), accounting for total recirculation.

Purpose:

  • To compare V values from SPVV-UKM using ID and a specific post-dialysis sample (VID) against DDQ (VDDQ).
  • To evaluate V values from "formal" SPVV-UKM (VKd) and anthropometric methods (VA) against VDDQ.
  • To assess the accuracy of a modified SPVV-UKM incorporating ID for V determination in HD patients.

Summary:

Related Experiment Videos

  • VDDQ was 26.5 ± 5.3 L, VID was 26.2 ± 5.1 L, VKd was 32.1 ± 5.7 L, and VA was 33.2 ± 5.8 L.
  • The mean difference for VID vs. VDDQ was -0.2 ± 1.3 L (not significant).
  • Mean differences for VKd vs. VDDQ (5.6 ± 2.3 L) and VA vs. VDDQ (6.7 ± 2.7 L) were statistically significant, indicating overestimation.

Impact:

  • Ionic dialysance (ID) integrated into SPVV-UKM provides accurate urea distribution volume (V) measurements in hemodialysis.
  • This approach circumvents the need for delayed post-dialysis blood samples, simplifying clinical practice.
  • Traditional "formal" SPVV-UKM and anthropometric methods significantly overestimate urea distribution volume (V).