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Related Concept Videos

Dialysis01:15

Dialysis

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...
Dialysis01:27

Dialysis

Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Peritoneal Dialysis I: Introduction and Procedure01:30

Peritoneal Dialysis I: Introduction and Procedure

Peritoneal dialysis (PD) is a procedure that facilitates the exchange of solutes, waste products, electrolytes, and excess fluid between the blood in the peritoneal capillaries and a dialysis solution introduced into the peritoneal cavity.Principles of Peritoneal Dialysis (PD)Diffusion: Waste products such as urea and electrolytes move from high concentrations in the blood to low concentrations in the dialysate across the peritoneal membrane. This mechanism is driven by the concentration...
Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis01:30

Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis

Patients with end-stage renal disease (ESRD) or those experiencing drug overdose often require extracorporeal methods to eliminate accumulated drugs and metabolites. Hemoperfusion, hemofiltration, and dialysis are the primary techniques to rapidly remove harmful substances without disrupting the patient's fluid and electrolyte balance. For those with compromised renal function, dosage adjustments of concurrent medications may be necessary during extracorporeal drug removal.Dialysis is a process...
Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications01:25

Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications

Peritoneal dialysis (PD) is a medical process that removes waste products and excess fluid from the body using the peritoneal membrane as a natural filter.Peritoneal Dialysis MethodsSeveral methods can be used for peritoneal dialysis, including Acute Intermittent Peritoneal Dialysis, Continuous Ambulatory Peritoneal Dialysis, and Automated Peritoneal Dialysis, also known as Continuous Cyclic Peritoneal Dialysis.Acute Intermittent Peritoneal Dialysis (AIPD) is used for patients with uremic...

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Related Experiment Video

Updated: Jul 7, 2026

The Mouse Isolated Perfused Kidney Technique
08:19

The Mouse Isolated Perfused Kidney Technique

Published on: November 17, 2016

[Convective and mixed dialysis technique].

L A Pedrini1, G Cozzi

  • 1UO Nefrologia e Dialisi, Azienda Ospedaliera Bolognini, Seriate (BG), Italy. nefrologia.seriate@bolognini.bg.it

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|February 19, 2008
PubMed
Summary
This summary is machine-generated.

Hemodiafiltration enhances the removal of toxic compounds in dialysis patients, improving survival rates. Optimizing this technique requires understanding dialysis systems, membranes, and patient interactions for safer, more efficient treatment.

Related Experiment Videos

Last Updated: Jul 7, 2026

The Mouse Isolated Perfused Kidney Technique
08:19

The Mouse Isolated Perfused Kidney Technique

Published on: November 17, 2016

Area of Science:

  • Nephrology and Dialysis Technology
  • Membrane Science and Engineering

Context:

  • Hemodiafiltration (HDF) leverages synthetic membranes for enhanced solute and hydraulic permeability.
  • Identifies key toxic solutes linked to major complications and mortality in hemodialysis (HD) patients.

Purpose:

  • To review the technical aspects, requirements, and clinical results of convective-mixed treatments, specifically hemodiafiltration.
  • To highlight the need for comprehensive knowledge to optimize HDF's clinical application and convective transport.

Summary:

  • Hemodiafiltration significantly improves the removal of small and middle-molecular toxins compared to traditional hemodialysis.
  • High-flux membranes and high-volume exchange in HDF are associated with improved survival in observational studies.
  • On-line sterile dialysate production and biocompatible membranes have driven the adoption and success of HDF.

Impact:

  • Enhanced toxin removal in HDF may mitigate complications like cardiovascular disease and inflammation in dialysis patients.
  • Optimized HDF techniques and understanding of patient-membrane interactions are crucial for improving patient outcomes.
  • Further advancements in HDF aim to increase treatment efficiency and patient safety, potentially reducing long-term mortality.