• Walter H Dzik, Morris A Blajchman, Dean Fergusson, Morad Hameed, Blair Henry, Andrew W Kirkpatrick, Teresa Korogyi, Sarvesh Logsetty, Robert C Skeate, Simon Stanworth, Charles MacAdams, and Brian Muirhead.
• Blood Transfusion Service, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA. sdzik@partners.org
• Crit Care. 2011 Jan 1; 15 (6): 242242.

AbstractIn June 2011 the Canadian National Advisory Committee on Blood and Blood Products sponsored an international consensus conference on transfusion and trauma. A panel of 10 experts and two external advisors reviewed the current medical literature and information presented at the conference by invited international speakers and attendees. The Consensus Panel addressed six specific questions on the topic of blood transfusion in trauma. The questions focused on: ratio-based blood resuscitation in trauma patients; the impact of survivorship bias in current research conclusions; the value of nonplasma coagulation products; the role of protocols for delivery of urgent transfusion; the merits of traditional laboratory monitoring compared with measures of clot viscoelasticity; and opportunities for future research. Key findings include a lack of evidence to support the use of 1:1:1 blood component ratios as the standard of care, the importance of early use of tranexamic acid, the expected value of an organized response plan, and the recommendation for an integrated approach that includes antifibrinolytics, rapid release of red blood cells, and a foundation ratio of blood components adjusted by results from either traditional coagulation tests or clot viscoelasticity or both. The present report is intended to provide guidance to practitioners, hospitals, and policy-makers.

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