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Revista Colombiana de Cirugía
versão impressa ISSN 2011-7582versão On-line ISSN 2619-6107
Resumo
MUNOZ, Carlos et al. Leukoreduced whole blood and platelet-sparing filter preserves its hemostatic function for 21 days: Could hemostatic resuscitation become a reality in Colombia?. rev. colomb. cir. [online]. 2022, vol.37, n.2, pp.184-193. Epub 25-Abr-2022. ISSN 2011-7582. https://doi.org/10.30944/20117582.1157.
Background.
Hemostatic resuscitation is a strategy to compensate blood loss and reduce the impact of trauma-induced coagulopathy. However, balanced resuscitation presents challenges in its application in the clinical setting. Whole blood has re-emerged as a physiologic strategy with logistical advantages that offer the opportunity for early initiation of hemostatic resuscitation. The study aims to evaluate the cellular, coagulation, and viscoelastic properties of whole blood preserved for 21 days.
Methods.
Whole blood units were donated by 20 healthy volunteers. These units were processed using a platelet-sparing leukoreduction filtration system. Units were stored under refrigeration (1-6°C) without agitation and were sampled on days 0, 6, 11, 16, and 21. The units were tested to assess its cellular properties and coagulation factors levels. In addition, viscoelastic features were tested using tromboelastography.
Results.
Red blood cells count and hemoglobin levels remained stables. Platelet count had a 50% reduction on day 6, and then remained stable for 21 days. Factors II-V-VII-X, fibrinogen, and protein C remained within normal range. Tromboelastrography test showed that the reaction time of clot formation is prolonged, but the final clot formation is not altered.
Conclusion.
Whole blood retains its hemostatic properties for 21 days. This is the first step to evaluate the use of whole blood in the resuscitation protocols for Colombia allowing hemostatic resuscitation become a universal reality.
Palavras-chave : whole blood; blood preservation; hemostasis; resuscitation; hemorrhagic shock; blood transfusion.