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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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Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

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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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Extracorporeal Removal of Drugs: Peritoneal Dialysis and Hemodialysis

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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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Related Experiment Video

Updated: Jan 19, 2026

A Simple Double Centrifugation Tube Method to Obtain Platelet-rich Plasma from Equine Blood
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Current plasmapheresis practice in the United States.

J L Tullis

    La Ricerca in Clinica E in Laboratorio
    |January 1, 1983
    PubMed
    Summary

    The US plasma collection system, run by industry with paid donors and larger volumes, differs significantly from global standards. This review examines impacts on donors and plasma supply, including protein metabolism and nitrogen balance.

    Area of Science:

    • Biomedical Science
    • Public Health Policy
    • Pharmacology

    Background:

    • The United States employs a unique plasmapheresis collection system.
    • This system is characterized by pharmaceutical industry involvement, donor remuneration, and higher plasma draw volumes compared to international norms.

    Purpose of the Study:

    • To analyze the key distinctions of the US plasmapheresis model.
    • To evaluate the implications of these differences on donor welfare and plasma supply.
    • To review protein metabolism and nitrogen balance in the context of plasmapheresis.

    Main Methods:

    • Comparative analysis of international plasmapheresis collection practices.
    • Review of scientific literature on protein metabolism and nitrogen balance.
    • Examination of the effects of large-volume plasma collection on donors.

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    Last Updated: Jan 19, 2026

    A Simple Double Centrifugation Tube Method to Obtain Platelet-rich Plasma from Equine Blood
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    Main Results:

    • The US system's reliance on paid donors and larger plasma volumes presents distinct ethical and physiological considerations.
    • Potential impacts on donor health and the stability of the plasma supply chain require careful assessment.
    • Plasmapheresis significantly affects protein metabolism and nitrogen balance, necessitating monitoring.

    Conclusions:

    • The US plasmapheresis model warrants critical review due to its divergence from global standards.
    • Further research is needed to fully understand the long-term effects on donors and the plasma supply.
    • Ensuring donor safety and a sustainable plasma supply are paramount considerations.