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Efficacy and safety of early administration of 4-factor prothrombin complex concentrate in patients with trauma at risk of massive transfusion. The PROCOAG randomized clinical trial.

Bouzat P, Charbit J, Abback P-S, Huet-Garrigue D, Delhaye N, Leone M et al, for the PROCOAG Study Group.

JAMA 2023; 329: 1367-1375.

In this study of 327 injured patients, use of the prothrombin complex did not reduce the need for blood transfusion within the first 24 hours: 12 versus 11 units, P=0.72. It did increase the risk of thrombotic events by around 11% , P=0.03

Comment: Disappointing results.

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