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Related Concept Videos

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...
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,...
Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in critically...
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
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...

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Related Experiment Video

Updated: May 21, 2026

An Open-Source Normothermic Perfusion System Designed for Research Scientists
11:23

An Open-Source Normothermic Perfusion System Designed for Research Scientists

Published on: July 18, 2025

[Hemodiafiltration with endogenous reinfusion].

Filippo Aucella1

  • 1Ospedale Casa Sollievo della Sofferenza, IRCCS, San Giovanni Rotondo, Italy. f.aucella@operapadrepio.it

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|June 23, 2012
PubMed
Summary

Hemofiltrate reinfusion (HFR) offers a balanced approach to dialysis, optimizing toxin removal while preserving beneficial substances. This technique benefits patients with complex conditions like malnutrition and inflammation.

Related Experiment Videos

Last Updated: May 21, 2026

An Open-Source Normothermic Perfusion System Designed for Research Scientists
11:23

An Open-Source Normothermic Perfusion System Designed for Research Scientists

Published on: July 18, 2025

Area of Science:

  • Nephrology and Renal Replacement Therapies
  • Biomaterials and Regenerative Medicine

Context:

  • Increasing age and comorbidities in the dialysis population present significant clinical challenges.
  • Existing renal replacement therapies require adaptation to address these complex patient profiles.

Purpose:

  • To evaluate Hemofiltrate Reinfusion (HFR) as a dialysis technique that balances toxin removal with the retention of beneficial substances.
  • To assess the benefits of HFR in patients with high comorbidity rates, focusing on inflammation and nutrition.

Summary:

  • Hemofiltrate Reinfusion (HFR) utilizes regenerated ultrafiltrate as replacement fluid, offering a novel approach in hemodiafiltration.
  • HFR has demonstrated efficacy in reducing inflammation and improving nutritional status in comorbid dialysis patients.
  • The HFR Aequilibrium system combines HFR with advanced dialysate and ultrafiltration profiling for hemodynamic stability.

Impact:

  • HFR presents a promising therapeutic option for dialysis patients with complex risk factors including malnutrition, inflammation, and atherosclerosis.
  • This technique may improve patient outcomes by optimizing treatment efficacy and patient tolerance.