What question did this study set out to answer?

To identify the pathophysiological mechanisms responsible for acute intravascular hemolysis and red blood cell fragility following thermal skin injury.

September 1, 1986Journal of Clinical InvestigationOpen Access

Thermal injury, intravascular hemolysis, and toxic oxygen products.

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Authors

JHJ. Robert HatherillUniversity of California, Santa Barbara GTGerd O. TillTulane University LBLeon H. BrunerMichigan State University

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Implication

Animal study demonstrates that neutrophil-generated oxygen radicals cause intravascular hemolysis after thermal injury in rats, suggesting potential antioxidant strategies for burn complications.

Key Points

To identify the pathophysiological mechanisms responsible for acute intravascular hemolysis and red blood cell fragility following thermal skin injury.
Evaluated acute thermal skin injury using in vivo rat models and complementary in vitro assays.
Measured plasma hemoglobin levels, red blood cell osmotic fragility, and cell-surface complement deposition.
Tested protective interventions using antioxidant administration, neutrophil depletion, and complement depletion.
Thermal injury produced rapid hemoglobinemia and increased red blood cell osmotic fragility without detectable complement deposition on cell surfaces.
Hemolysis and cellular damage were mediated by complement activation that stimulated neutrophils to produce toxic oxygen radicals.
Antioxidant treatment, neutrophil depletion, or complement depletion completely prevented red blood cell osmotic fragility and hemoglobin release.

Cite This Study

Hatherill et al. (1986) studied this question.

synapsesocial.com/papers/6a73412e9114ba2b47c23b80 https://doi.org/10.1172/jci112620

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Implication

Animal study demonstrates that neutrophil-generated oxygen radicals cause intravascular hemolysis after thermal injury in rats, suggesting potential antioxidant strategies for burn complications.

Thermal injury, intravascular hemolysis, and toxic oxygen products.

Discussion

Member takes

Implication

Key Points

Cite This Study

Thermal injury, intravascular hemolysis, and toxic oxygen products.

Discussion

Member takes

Implication

Key Points

Cite This Study

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