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Hemostatic resuscitation is neither hemostatic nor resuscitative in trauma hemorrhage

Khan, Sirat MD; Brohi, Karim MD; Chana, Manik MD; Raza, Imran MD; Stanworth, Simon MD; Gaarder, Christine MD, PhD; Davenport, Ross MD, PhD

Journal of Trauma and Acute Care Surgery: March 2014 - Volume 76 - Issue 3 - p 561–568
doi: 10.1097/TA.0000000000000146
AAST 2013 Plenary Papers
Editor's Choice

BACKGROUND Trauma hemorrhage continues to carry a high mortality rate despite changes in modern practice. Traditional approaches to the massively bleeding patient have been shown to result in persistent coagulopathy, bleeding, and poor outcomes. Hemostatic (or damage control) resuscitation developed from the discovery of acute traumatic coagulopathy and increased recognition of the negative consequences of dilutional coagulopathy. These strategies concentrate on early delivery of coagulation therapy combined with permissive hypotension. The efficacy of hemostatic resuscitation in correcting coagulopathy and restoring tissue perfusion during acute hemorrhage has not been studied.

METHODS This is a prospective cohort study of ROTEM and lactate measurements taken from trauma patients recruited to the multicenter Activation of Coagulation and Inflammation in Trauma (ACIT) study. A blood sample is taken on arrival and during the acute bleeding phase after administration of every 4 U of packed red blood cells (PRBCs), up to 12 U. The quantity of blood products administered within each interval is recorded.

RESULTS Of the 106 study patients receiving at least 4 U of PRBC, 27 received 8 U to 11 U of PRBC and 31 received more than 12 U of PRBC. Average admission lactate was 6.2 mEq/L. Patients with high lactate (≥5 mEq/L) on admission did not clear lactate until hemorrhage control was achieved, and no further PRBC units were required. On admission, 43% of the patients were coagulopathic (clot amplitude at 5 minutes ≤ 35 mm). This increased to 49% by PRBC 4; 62% by PRBC 8 and 68% at PRBC 12. The average fresh frozen plasma/PRBC ratio between intervals was 0.5 for 0 U to 4 U of PRBC, 0.9 for 5 U to 8 U of PRBC, 0.7 for 9 U to 12 U of PRBC. There was no improvement in any ROTEM parameter during ongoing bleeding.

CONCLUSION While hemostatic resuscitation offers several advantages over historical strategies, it still does not achieve correction of hypoperfusion or coagulopathy during the acute phase of trauma hemorrhage. Significant opportunities still exist to improve management and improve outcomes for bleeding trauma patients.

LEVEL OF EVIDENCE Epidemiologic study, level III.

From the Centre for Trauma Sciences (S.K., K.B., M.C., I.R., R.D.), Blizard Institute, Bart’s & the London School of Medicine, Queen Mary University of London, London; NHS Blood and Transplant (S.S.), John Radcliffe Hospital, Oxford, United Kingdom; and Department of Traumatology (C.G.), Oslo University Hospital Ullevaal, Oslo, Norway.

Submitted: September 13, 2013, Revised: November 19, 2013, Accepted: November 22, 2013.

This study was presented at the 72nd annual meeting of the American Association of Surgery for Trauma, September 18–21, 2013, in San Francisco, California.

Address for reprints: Ross Davenport, MD, PhD, Centre for Trauma Sciences, Blizard Institute, Bart’s & the London School of Medicine, Queen Mary University of London, London, United Kingdom; email:

© 2014 Lippincott Williams & Wilkins, Inc.