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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...
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: 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...
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Carbon Dioxide Transport in the Blood01:19

Carbon Dioxide Transport in the Blood

Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
External and Internal Respiration01:24

External and Internal Respiration

External respiration occurs in the lungs, and it is the first step in the journey of oxygen inside the body. When we inhale, oxygen enters our lungs and diffuses across the thin alveolar membrane. The alveoli are tiny, air-filled sacs that provide a vast surface area for gas exchange. Oxygen in the alveoli has a higher partial pressure (105 mmHg) than in the adjacent pulmonary capillaries (40 mmHg), establishing a pressure gradient. As a result, oxygen molecules move from the alveoli into the...

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Related Experiment Video

Updated: Jun 13, 2026

Subcostal Specimen Removal in Completely Portal Robotic Lobectomy
04:38

Subcostal Specimen Removal in Completely Portal Robotic Lobectomy

Published on: April 19, 2024

Extracorporeal CO2 removal.

Pier Paolo Terragni, Alberto Birocco, Chiara Faggiano

    Contributions to Nephrology
    |April 30, 2010
    PubMed
    Summary

    Extracorporeal carbon dioxide removal (ECCO2R) offers a protective ventilation strategy for acute respiratory distress syndrome (ARDS). Technological advancements are making ECCO2R a viable option beyond rescue therapy, improving patient outcomes.

    Area of Science:

    • Critical Care Medicine
    • Respiratory Physiology
    • Medical Device Technology

    Background:

    • The concept of extracorporeal carbon dioxide removal (ECCO2R) evolved from extracorporeal membrane oxygenation (ECMO) to facilitate lung rest during mechanical ventilation.
    • Early ECCO2R approaches aimed to separate CO2 removal from oxygenation, enabling reduced ventilatory support and 'apneic oxygenation'.
    • However, initial ECCO2R use was limited to rescue therapy for severe ARDS due to complications and resource intensity.

    Purpose of the Study:

    • To review the evolution and current applications of ECCO2R in managing respiratory failure.
    • To highlight technological advancements that have expanded ECCO2R's role beyond critical rescue.
    • To discuss the future potential of minimally invasive ECCO2R integrated with noninvasive ventilation.

    Related Experiment Videos

    Last Updated: Jun 13, 2026

    Subcostal Specimen Removal in Completely Portal Robotic Lobectomy
    04:38

    Subcostal Specimen Removal in Completely Portal Robotic Lobectomy

    Published on: April 19, 2024

    Main Methods:

    • Review of historical development and technological innovations in ECCO2R.
    • Analysis of ECCO2R's application in protective ventilation strategies for ARDS.
    • Discussion of emerging ECCO2R devices and their integration with ventilation modes.

    Main Results:

    • Technological improvements have led to pumpless arteriovenous and improved veno-venous ECCO2R systems.
    • These advancements allow ECCO2R to be considered for protective ventilation in severe ARDS and as a bridge to lung transplant.
    • Future devices aim for higher CO2 removal efficiency (30-100%) at lower blood flows (250-500 ml/min).

    Conclusions:

    • ECCO2R is transitioning from a rescue therapy to an integral component of protective ventilation for ARDS.
    • Minimally invasive ECCO2R combined with noninvasive ventilation represents the future of mechanical ventilation.
    • This approach aligns with modern goals to avoid intubation, minimize sedation, and prevent ventilator-associated complications.