Transfusion medicine reviews
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Historical Article
A brief history of blood filtration: clot screens, microaggregate removal, and leukocyte reduction.
A historical perspective of the evolution of blood filtration is presented. Topics addressed include recognition of aggregates in blood as mediators of morbidity, targeted for removal with gross clot screens, and evolution through the implementation of universal leukocyte reduction. Future directions for the development of blood filters are also described.
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Coagulopathy in patients with severe trauma is related to platelet and coagulation factor loss, consumption, and dysfunction. It is exacerbated by dilution, acidosis, and hypothermia. Hemorrhage control, warming, and appropriate blood product support are lifesaving. Further improvements in hemorrhage control will save additional lives and resources.