• Caitlin Turnbull, Lisa Clegg, Abishek Santhakumar, and Peter S Micalos.
• School of Nursing, Paramedicine and Healthcare Sciences, Charles Sturt University, Port Macquarie, New South Wales, Australia.
• Prehosp Emerg Care. 2024 Aug 19: 1141-14.

ObjectivesImplementing prehospital blood products for treating hemorrhagic shock has been utilized globally in military and civilian settings. This review aims to compare various guidelines for using blood products, including the types of blood products, injuries, biomarkers (hemodynamic measurement) to indicate use, associated treatments and risks, and the logistical concerns of storage and wastage in the prehospital setting. Furthermore, it explores whether prehospital blood transfusions are beneficial and a safe treatment option.MethodsData were collected using a systematic search and screening process of online databases CINAHL, Medline, and Scopus, as well as by creating a PRISMA flow diagram to screen articles using inclusion and exclusion criteria. Forty-five articles were screened, with twenty-five excluded, resulting in twenty articles in this scoping review.ResultsThe most frequently used blood product used was red blood cells, with twelve studies using either red blood cells alone or in combination with other products. Indications for blood use varied across services, but all aimed to address hemodynamic instability as a primary indication for blood transfusion. Eleven studies recorded no adverse reactions. Only one study reported chills and shivers; however, it was unclear if blood products were the cause. Nine studies avoided logistical issues of storage and wastage to create a feasible rotation system.ConclusionsPrehospital blood was used in medical, trauma, and maternity-related hemorrhage. Many types of blood products are in use, ranging from component therapy to whole blood, with each protocol having different indications of use and treatment guidelines aimed at improving hemodynamic stability.

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