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Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
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Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
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The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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Colloids in Acute Burn Resuscitation.

Robert Cartotto1, David Greenhalgh2

  • 1Department of Surgery, Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, University of Toronto, Room D712, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada.

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Colloids like fresh frozen plasma and albumin aid burn resuscitation by improving fluid balance and reducing swelling. Albumin is a safer, cost-effective option that may limit burn-related complications.

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Area of Science:

  • Resuscitation Medicine
  • Burn Care
  • Fluid Therapy

Background:

  • Colloids have a long history in formula-based burn resuscitation.
  • Experimental evidence supports colloids' role in improving intravascular colloid osmotic pressure and expanding volume.
  • Colloids can reduce resuscitation needs and limit edema in unburned tissue post-burn.

Purpose of the Study:

  • To evaluate the efficacy and safety of different colloidal solutions in burn resuscitation.
  • To compare fresh frozen plasma and albumin as immediate burn resuscitation fluids.
  • To assess the impact of colloids on resuscitation requirements and edema-related morbidity.

Main Methods:

  • Review of experimental evidence on colloid use in burn resuscitation.
  • Comparative analysis of fresh frozen plasma and albumin based on efficacy, cost, and safety.
  • Assessment of effects on intravascular volume, osmotic pressure, and edema.

Main Results:

  • Fresh frozen plasma is effective for immediate resuscitation but carries risks (viral transmission, acute lung injury) and higher costs.
  • Albumin is a less expensive and safer alternative.
  • Albumin has shown potential in reducing resuscitation requirements and limiting edema-related morbidity.

Conclusions:

  • Both fresh frozen plasma and albumin are valuable in burn resuscitation, offering distinct advantages and disadvantages.
  • Albumin presents a favorable profile regarding cost and safety, with demonstrated benefits in reducing fluid needs and edema.
  • Careful consideration of risks, benefits, and costs is crucial when selecting colloidal resuscitation fluids for burn patients.