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Related Experiment Videos

Red cell substitutes: hemoglobin solution or fluorocarbon?

S A Gould, A L Rosen, L R Sehgal

    The Journal of Trauma
    |September 1, 1982
    PubMed
    Summary
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    Stroma-free hemoglobin (SFH) and Fluosol-DA (FL-DA) effectively deliver oxygen alongside red blood cells. Both acellular oxygen carriers demonstrate efficacy at lower hematocrits, supporting oxygen transport.

    Area of Science:

    • Biomedical Engineering
    • Hematology
    • Resuscitation Medicine

    Background:

    • Acellular oxygen carriers like stroma-free hemoglobin (SFH) and Fluosol-DA (FL-DA) are investigated as potential red blood cell substitutes.
    • Their efficacy at zero hematocrit is established, but their performance in the presence of red blood cells at intermediate hematocrits remains less clear.

    Purpose of the Study:

    • To evaluate the efficacy of SFH and FL-DA as oxygen carriers when used in conjunction with red blood cells at hematocrits up to 10%.

    Main Methods:

    • The study assessed the contribution of SFH and FL-DA to oxygen delivery and consumption in a setting with co-existing red blood cells.
    • Experiments were conducted at hematocrit levels not exceeding 10%.

    Main Results:

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    • Both SFH and FL-DA demonstrated a measurable contribution to oxygen delivery in the presence of red blood cells.
    • The data confirmed that these acellular oxygen carriers also contributed to oxygen consumption under these conditions.

    Conclusions:

    • SFH and FL-DA are effective acellular oxygen carriers, showing functional capacity even when red blood cells are present.
    • These findings support their potential utility as red blood cell substitutes in specific clinical scenarios.