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Related Concept Videos

Dialysis01:15

Dialysis

672
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
672
Filtration and Urine Formation01:32

Filtration and Urine Formation

50.1K
The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys.
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Related Experiment Video

Updated: Jul 2, 2025

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Incremental dialysis: two complementary views.

Debaters Francesco Gaetano Casino1, Mariana Murea2, Moderators Jürgen Floege3

  • 1Department of Internal Medicine, Division of Nephrology, Hospital Madonna delle Grazie, Matera, Italy.

Clinical Kidney Journal
|February 26, 2024
PubMed
Summary

Incremental dialysis, starting with low doses and gradually increasing, is a safe approach for patients with residual kidney function. Randomized controlled trials are needed to confirm its efficacy and guide wider adoption for better patient outcomes.

Keywords:
equivalent renal urea clearance (EKRU)haemodialysisincremental haemodialysisresidual kidney urea clearance (Kru)standard Kt/V (stdKt/V)

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Area of Science:

  • Nephrology
  • Kidney Replacement Therapy

Background:

  • Incremental dialysis leverages residual kidney function by initiating therapy at lower doses/frequencies.
  • Current evidence primarily comes from observational studies, necessitating further validation.

Purpose of the Study:

  • To discuss the current understanding and evidence surrounding incremental dialysis.
  • To highlight the need for robust randomized controlled trials (RCTs) to confirm safety and efficacy.
  • To address barriers to adoption and the potential paradigm shift in hemodialysis.

Main Methods:

  • Discussion of existing studies and ongoing randomized controlled trials (RCTs).
  • Analysis of retrospective and observational data, acknowledging potential biases.
  • Exploration of nephrologists' reluctance and practical/financial disincentives.

Main Results:

  • Existing studies suggest incremental dialysis is safe.
  • RCTs are crucial to provide empirical evidence on efficacy and standardize practice.
  • Ongoing trials in several countries aim to compare incremental with conventional dialysis.

Conclusions:

  • Incremental dialysis shows promise for optimizing treatment and improving quality of life.
  • Further validation across diverse populations and settings may be required.
  • Widespread adoption hinges on robust evidence from ongoing and future RCTs.