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Related Concept Videos

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...
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...
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 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,...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
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...

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Related Experiment Videos

Significant decrease in dialysate albumin concentration during molecular adsorbent recirculating system (M.A.R.S.)

D Gong1, D Ji, B Ren

  • 1Research Institute of Nephrology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, PR China. gong_doctor@126.com

The International Journal of Artificial Organs
|April 25, 2008
PubMed
Summary
This summary is machine-generated.

Molecular adsorbent recirculating system (MARS) therapy significantly reduces dialysate albumin levels. This decrease is primarily due to albumin binding to the adsorbent columns, impacting liver support efficacy.

Related Experiment Videos

Area of Science:

  • Hepatology
  • Biomedical Engineering
  • Nephrology

Background:

  • Molecular adsorbent recirculating system (MARS) is a key liver support therapy for hepatic dysfunction.
  • Albumin and bilirubin levels are critical indicators in liver disease management.

Purpose of the Study:

  • To quantify changes in dialysate albumin and bilirubin concentrations during clinical MARS treatments.
  • To investigate the impact of adsorbent columns on albumin levels during MARS therapy.

Main Methods:

  • Eight patients with acute liver dysfunction received MARS treatments.
  • Serum and dialysate albumin and bilirubin levels were dynamically measured.
  • Adsorbent column function and pressure changes were monitored.

Main Results:

  • MARS therapy achieved significant reduction ratios for total, conjugated, and unconjugated bilirubin.
  • A substantial decrease in dialysate albumin concentration was observed, averaging 34.6%.
  • Albumin loss was significantly lower when adsorbent columns were bypassed, indicating their role in albumin binding.

Conclusions:

  • Dialysate albumin concentration significantly decreases during MARS therapy.
  • Albumin binding to adsorbent columns is the primary cause of this reduction.
  • Understanding albumin loss is crucial for optimizing MARS treatment protocols.