We were lucky enough to have Dr. John Hess, one of the fathers of the massive transfusion protocol, come and speak at the University of Maryland’s Critical Care Core Content series. Â He has been one of the leaders in a concept that has changed the way we think about traumatic hemorrhagic shock and his lecture is a MUST listen.
Audio:Â Changing the Face of Massive Transfusion.mp3Â
Pearls
- Stop with the crystalloid already when resuscitating the patient in hemorrhagic shock! Early administration of FFP and platelets, appears to improve outcomes and reduce the requirement for massive transfusion/packed cells.
- Pay attention to the patient’s pH. Â In the initially non-coagulopathic patient, a drop in pH from 7.4 to 7.2 will reduce clotting activity by 50%. Â At a pH of 7.0 the patient’s clotting activity will be only 30%!
- What you see isn’t necessarily what you get – when using component therapy for 1:1:1 over fresh whole blood, a portion of the blood products the patient receives will not “survive” in circulation. Â In fact, about 10% PRBCs are lost in transfusion and up to 30% of platelets.
Suggested Reading
- Murthi SB, Stansbury LG, Dutton RP, et al. Transfusion medicine in trauma patients: an update. Expert Rev Hematol. 2011 Oct;4(5):527-37. PubMed Link.
- Hess JR, Brohi K, Dutton RP, et al. The coagulopathy of trauma: a review of mechanisms. J Trauma. 2008 Oct;65(4):748-54. PubMed Link.