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Related Concept Videos

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

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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...
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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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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...
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The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
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Related Experiment Video

Updated: Dec 29, 2025

Technique of Subnormothermic Ex Vivo Liver Perfusion for the Storage, Assessment, and Repair of Marginal Liver Grafts
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Update on extracorporeal liver support.

Dev Katarey1, Rajiv Jalan

  • 1Liver Failure Group, UCL Institute for Liver and Digestive Health, UCL Medical School, Royal Free Hospital, London, UK.

Current Opinion in Critical Care
|February 6, 2020
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Summary

Extracorporeal liver support (ELS) aims to aid patients with liver failure ineligible for transplantation. Current ELS devices show limited survival benefits, but new approaches focusing on patient selection, device design, and treatment intensity offer future promise.

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Area of Science:

  • Hepatology
  • Biomedical Engineering
  • Critical Care Medicine

Background:

  • Extracorporeal liver support (ELS) addresses a critical gap in managing acute liver failure (ALF) and acute-on-chronic liver failure.
  • Liver transplantation outcomes are improving, but patients ineligible for transplant face poor prognoses.
  • ELS aims to provide a bridge to recovery for patients with severe liver conditions.

Purpose of the Study:

  • To review existing evidence on various ELS devices.
  • To explore future directions in ELS device development.
  • To identify potential improvements in ELS efficacy.

Main Methods:

  • Review of published studies on ELS devices.
  • Analysis of factors influencing ELS outcomes: patient selection, device characteristics, and treatment dosage.
  • Examination of preclinical and clinical trial data for novel ELS technologies.

Main Results:

  • Studies consistently show ELS devices have not significantly improved transplant-free survival.
  • Emerging evidence suggests optimizing the 'disease' (patient selection), 'device' (ELS system), and 'dose' (intensity) can enhance outcomes.
  • Newer ELS devices show promising preclinical results.

Conclusions:

  • Current ELS devices have not demonstrated a significant survival benefit.
  • Future ELS efficacy may depend on refining patient selection, device technology, and treatment protocols.
  • Newer ELS devices are undergoing clinical trials, with results anticipated.