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Related Concept Videos

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...
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...
Pharmaceutical Poisoning: Treatment Strategies01:26

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
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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,...
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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).
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Treating baclofen overdose by hemodialysis.

Ming-Ju Hsieh1, Shyr-Chyr Chen, Te-I Weng

  • 1Department of Emergency Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei 100, Taiwan.

The American Journal of Emergency Medicine
|October 28, 2011
PubMed
Summary

Baclofen overdose can cause prolonged elimination even with normal kidney function. Hemodialysis effectively reduced baclofen levels and improved recovery in a patient with normal renal function.

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Area of Science:

  • Pharmacology
  • Nephrology
  • Toxicology

Background:

  • Baclofen is primarily renally eliminated, making renal failure a common risk factor for baclofen-related encephalopathy.
  • Hemodialysis is a recognized treatment for baclofen intoxication in patients with impaired renal function.

Observation:

  • A 55-year-old male presented with baclofen intoxication (420 mg) and respiratory depression, requiring intubation.
  • Despite normal renal function, the patient experienced prolonged baclofen elimination.

Findings:

  • Hemodialysis significantly reduced the elimination half-life of baclofen from 15.7 hours to 3.1 hours.
  • The patient's consciousness returned 9 hours post-hemodialysis, leading to successful extubation.

Implications:

  • Hemodialysis may be a beneficial intervention for baclofen overdose even in patients with normal renal function.
  • This case highlights the potential for prolonged baclofen elimination in non-renal failure patients, underscoring the utility of dialysis.